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Testing the speed of wireless adapters
All wireless adapters were tested under consistent conditions - each positioned in close proximity (1-2m) and connected to the same wireless access point (AP). The adapters utilized various interface types, including USB, SDIO, and PCI, to evaluate performance across different hardware configurations.
[](#contribute)
Test Equipment
- Access Point: Zyxel NWA130BE (Wi-Fi 7)
- Network Switches:
- Netgear XS712T
- Netgear XS508M
- Power Switches: APC AP7920
- Client Devices:
- Multiple single-board computers equipped with onboard wireless modules or PCI Wi-Fi cards
- USB wireless test server: Geekom IT13 with an i-Tec 16-port USB 3.0 hub
Software and Infrastructure
- Infrastructure Database: NetBox for resource modeling and inventory
- Automation: GitHub Actions for workflow orchestration and test execution
- Networking: Tailscale for secure device connectivity across the test environment
- Test Platform: KVM virtual machine running the latest x86 Armbian image for USB wireless testing
Methodology
Overview of the WiFi performance test process:
-
⚡ Power On Devices
└─ Embedded WiFi-capable devices and USB wireless adapters are powered on. -
🌐 Configure Wireless Connection
└─ Devices are configured to connect to a predefined access point (SSID). -
📶 Connect to WiFi Network
└─ Network connectivity is validated to ensure the device is routable. -
📊 Measure Performance (iperf3)
├─ Perform reverse (-R) and forward iperf3 tests
└─ Measure throughput and link quality. -
🔍 Collect System & Network Info
├─ Extract link details (e.g. bitrate, signal strength)
└─ Record system version, kernel, architecture. -
🔁 Restore Wired Network
└─ Reapply original routes and configuration. -
☁️ Upload Test Results
└─ Summary, logs, and system info are uploaded as artifacts. -
📴 Power Off Devices
└─ All test devices are safely powered down after testing completes.
Devices Under Tests
This section presents the performance test results, including key metrics and technical details from the test execution.
Test Date: 2025-05-13 11:54 UTC
AC
EDUP EP-AC1681
OS: Armbian v25.2.3, 6.12.22-current-x86
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| RTL88x2BU | AC | 153 Mbits/sec | 272 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.107 port 46735 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 13.5 MBytes 113 Mbits/sec
[ 5] 1.00-2.00 sec 18.2 MBytes 153 Mbits/sec
[ 5] 2.00-3.00 sec 19.0 MBytes 159 Mbits/sec
[ 5] 3.00-4.00 sec 18.6 MBytes 156 Mbits/sec
[ 5] 4.00-5.00 sec 18.1 MBytes 152 Mbits/sec
[ 5] 5.00-6.00 sec 18.8 MBytes 157 Mbits/sec
[ 5] 6.00-7.00 sec 18.6 MBytes 156 Mbits/sec
[ 5] 7.00-8.00 sec 18.8 MBytes 157 Mbits/sec
[ 5] 8.00-9.00 sec 18.2 MBytes 153 Mbits/sec
[ 5] 9.00-10.00 sec 18.4 MBytes 154 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.01 sec 183 MBytes 153 Mbits/sec 102 sender
[ 5] 0.00-10.00 sec 180 MBytes 151 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.107 port 34829 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 34.4 MBytes 288 Mbits/sec 0 1.74 MBytes
[ 5] 1.00-2.00 sec 32.1 MBytes 270 Mbits/sec 0 2.29 MBytes
[ 5] 2.00-3.00 sec 33.1 MBytes 278 Mbits/sec 0 2.29 MBytes
[ 5] 3.00-4.00 sec 30.9 MBytes 259 Mbits/sec 26 1.60 MBytes
[ 5] 4.00-5.00 sec 33.0 MBytes 277 Mbits/sec 0 1.60 MBytes
[ 5] 5.00-6.00 sec 31.5 MBytes 264 Mbits/sec 0 1.60 MBytes
[ 5] 6.00-7.00 sec 32.9 MBytes 276 Mbits/sec 0 1.60 MBytes
[ 5] 7.00-8.00 sec 31.6 MBytes 265 Mbits/sec 0 1.60 MBytes
[ 5] 8.00-9.00 sec 32.9 MBytes 276 Mbits/sec 0 1.60 MBytes
[ 5] 9.00-10.00 sec 31.5 MBytes 264 Mbits/sec 0 1.60 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 324 MBytes 272 Mbits/sec 26 sender
[ 5] 0.00-10.03 sec 322 MBytes 269 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 5500.0 RX: 206623 bytes (393 packets) TX: 108788 bytes (497 packets) signal: 0 dBm rx bitrate: 173.4 MBit/s VHT-MCS 9 VHT-NSS 2 tx bitrate: 866.7 MBit/s VHT-MCS 9 80MHz short GI VHT-NSS 2
Realtek 8811AU
OS: Armbian v25.2.3, 6.12.22-current-x86
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| RTL8812AU | AC | 153 Mbits/sec | 200 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.119 port 48381 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 14.9 MBytes 125 Mbits/sec
[ 5] 1.00-2.00 sec 17.9 MBytes 150 Mbits/sec
[ 5] 2.00-3.00 sec 18.1 MBytes 152 Mbits/sec
[ 5] 3.00-4.00 sec 18.6 MBytes 156 Mbits/sec
[ 5] 4.00-5.00 sec 18.2 MBytes 153 Mbits/sec
[ 5] 5.00-6.00 sec 18.4 MBytes 154 Mbits/sec
[ 5] 6.00-7.00 sec 18.4 MBytes 154 Mbits/sec
[ 5] 7.00-8.00 sec 18.6 MBytes 156 Mbits/sec
[ 5] 8.00-9.00 sec 18.5 MBytes 155 Mbits/sec
[ 5] 9.00-10.00 sec 18.5 MBytes 155 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 183 MBytes 153 Mbits/sec 28 sender
[ 5] 0.00-10.00 sec 180 MBytes 151 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.119 port 38943 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 26.0 MBytes 218 Mbits/sec 0 669 KBytes
[ 5] 1.00-2.00 sec 23.2 MBytes 195 Mbits/sec 0 669 KBytes
[ 5] 2.00-3.00 sec 23.6 MBytes 198 Mbits/sec 0 751 KBytes
[ 5] 3.00-4.00 sec 23.6 MBytes 198 Mbits/sec 0 751 KBytes
[ 5] 4.00-5.00 sec 23.9 MBytes 200 Mbits/sec 0 793 KBytes
[ 5] 5.00-6.00 sec 23.4 MBytes 196 Mbits/sec 0 793 KBytes
[ 5] 6.00-7.00 sec 23.5 MBytes 197 Mbits/sec 0 793 KBytes
[ 5] 7.00-8.00 sec 23.6 MBytes 198 Mbits/sec 0 793 KBytes
[ 5] 8.00-9.00 sec 23.8 MBytes 199 Mbits/sec 0 916 KBytes
[ 5] 9.00-10.00 sec 23.6 MBytes 198 Mbits/sec 0 916 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 238 MBytes 200 Mbits/sec 0 sender
[ 5] 0.00-10.01 sec 235 MBytes 197 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 5500.0 signal: -29 dBm tx bitrate: 434.0 MBit/s
Realtek 8812AU
OS: Armbian v25.2.3, 6.12.22-current-x86
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| RTL8812AU | AC | 150 Mbits/sec | 273 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.118 port 51571 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 15.4 MBytes 129 Mbits/sec
[ 5] 1.00-2.00 sec 18.0 MBytes 151 Mbits/sec
[ 5] 2.00-3.00 sec 18.1 MBytes 152 Mbits/sec
[ 5] 3.00-4.00 sec 18.2 MBytes 153 Mbits/sec
[ 5] 4.00-5.00 sec 18.1 MBytes 152 Mbits/sec
[ 5] 5.00-6.00 sec 18.0 MBytes 151 Mbits/sec
[ 5] 6.00-7.00 sec 17.9 MBytes 150 Mbits/sec
[ 5] 7.00-8.00 sec 17.5 MBytes 147 Mbits/sec
[ 5] 8.00-9.00 sec 18.0 MBytes 151 Mbits/sec
[ 5] 9.00-10.00 sec 17.9 MBytes 150 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.01 sec 179 MBytes 150 Mbits/sec 3 sender
[ 5] 0.00-10.00 sec 177 MBytes 149 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.118 port 51879 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 33.8 MBytes 283 Mbits/sec 0 969 KBytes
[ 5] 1.00-2.00 sec 33.8 MBytes 283 Mbits/sec 0 1.06 MBytes
[ 5] 2.00-3.00 sec 30.6 MBytes 257 Mbits/sec 0 1.19 MBytes
[ 5] 3.00-4.00 sec 32.5 MBytes 273 Mbits/sec 0 1.27 MBytes
[ 5] 4.00-5.00 sec 32.9 MBytes 276 Mbits/sec 0 1.41 MBytes
[ 5] 5.00-6.00 sec 32.9 MBytes 276 Mbits/sec 0 1.41 MBytes
[ 5] 6.00-7.00 sec 31.9 MBytes 267 Mbits/sec 0 1.50 MBytes
[ 5] 7.00-8.00 sec 32.9 MBytes 276 Mbits/sec 0 1.50 MBytes
[ 5] 8.00-9.00 sec 31.6 MBytes 265 Mbits/sec 0 1.50 MBytes
[ 5] 9.00-10.00 sec 32.5 MBytes 273 Mbits/sec 0 1.59 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 325 MBytes 273 Mbits/sec 0 sender
[ 5] 0.00-10.01 sec 323 MBytes 270 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 5500.0 signal: -34 dBm tx bitrate: 867.0 MBit/s
Realtek 8814AU
OS: Armbian v25.2.3, 6.12.22-current-x86
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| RTL8814AU | AC | 74.5 Mbits/sec | 5.66 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.106 port 40123 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 10.9 MBytes 91.1 Mbits/sec
[ 5] 1.00-2.00 sec 11.4 MBytes 95.4 Mbits/sec
[ 5] 2.00-3.00 sec 7.62 MBytes 64.0 Mbits/sec
[ 5] 3.00-4.00 sec 7.88 MBytes 66.1 Mbits/sec
[ 5] 4.00-5.00 sec 7.88 MBytes 66.1 Mbits/sec
[ 5] 5.00-6.00 sec 8.00 MBytes 67.1 Mbits/sec
[ 5] 6.00-7.00 sec 8.12 MBytes 68.1 Mbits/sec
[ 5] 7.00-8.00 sec 8.62 MBytes 72.4 Mbits/sec
[ 5] 8.00-9.00 sec 9.00 MBytes 75.5 Mbits/sec
[ 5] 9.00-10.00 sec 8.25 MBytes 69.2 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.32 sec 91.6 MBytes 74.5 Mbits/sec 0 sender
[ 5] 0.00-10.00 sec 87.6 MBytes 73.5 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.106 port 38443 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 640 KBytes 5.24 Mbits/sec 0 65.0 KBytes
[ 5] 1.00-2.00 sec 768 KBytes 6.29 Mbits/sec 0 90.5 KBytes
[ 5] 2.00-3.00 sec 512 KBytes 4.19 Mbits/sec 0 113 KBytes
[ 5] 3.00-4.00 sec 1.00 MBytes 8.39 Mbits/sec 0 147 KBytes
[ 5] 4.00-5.00 sec 640 KBytes 5.24 Mbits/sec 0 177 KBytes
[ 5] 5.00-6.00 sec 384 KBytes 3.15 Mbits/sec 0 205 KBytes
[ 5] 6.00-7.00 sec 1.00 MBytes 8.39 Mbits/sec 0 235 KBytes
[ 5] 7.00-8.00 sec 512 KBytes 4.19 Mbits/sec 0 283 KBytes
[ 5] 8.00-9.00 sec 1.38 MBytes 11.5 Mbits/sec 0 345 KBytes
[ 5] 9.00-10.00 sec 0.00 Bytes 0.00 bits/sec 0 345 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 6.75 MBytes 5.66 Mbits/sec 0 sender
[ 5] 0.00-10.42 sec 5.62 MBytes 4.53 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 2462.0 signal: -35 dBm tx bitrate: 174.0 MBit/s
AX
Comfast CF953AX
OS: Armbian v25.2.3, 6.12.22-current-x86
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| MT7921AU | AX | 112 Mbits/sec | 149 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.117 port 45429 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 13.0 MBytes 109 Mbits/sec
[ 5] 1.00-2.00 sec 13.2 MBytes 111 Mbits/sec
[ 5] 2.00-3.00 sec 13.2 MBytes 111 Mbits/sec
[ 5] 3.00-4.00 sec 13.1 MBytes 110 Mbits/sec
[ 5] 4.00-5.00 sec 13.0 MBytes 109 Mbits/sec
[ 5] 5.00-6.00 sec 13.1 MBytes 110 Mbits/sec
[ 5] 6.00-7.00 sec 13.1 MBytes 110 Mbits/sec
[ 5] 7.00-8.00 sec 13.1 MBytes 110 Mbits/sec
[ 5] 8.00-9.00 sec 13.2 MBytes 111 Mbits/sec
[ 5] 9.00-10.00 sec 13.2 MBytes 111 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.02 sec 134 MBytes 112 Mbits/sec 30 sender
[ 5] 0.00-10.00 sec 132 MBytes 110 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.117 port 56851 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 19.6 MBytes 165 Mbits/sec 0 574 KBytes
[ 5] 1.00-2.00 sec 17.0 MBytes 143 Mbits/sec 0 789 KBytes
[ 5] 2.00-3.00 sec 17.0 MBytes 143 Mbits/sec 0 830 KBytes
[ 5] 3.00-4.00 sec 18.6 MBytes 156 Mbits/sec 0 1018 KBytes
[ 5] 4.00-5.00 sec 17.9 MBytes 150 Mbits/sec 0 1.07 MBytes
[ 5] 5.00-6.00 sec 17.2 MBytes 145 Mbits/sec 0 1.13 MBytes
[ 5] 6.00-7.00 sec 17.8 MBytes 149 Mbits/sec 0 1.13 MBytes
[ 5] 7.00-8.00 sec 17.0 MBytes 143 Mbits/sec 0 1.19 MBytes
[ 5] 8.00-9.00 sec 17.4 MBytes 146 Mbits/sec 0 1.19 MBytes
[ 5] 9.00-10.00 sec 18.0 MBytes 151 Mbits/sec 0 1.25 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 178 MBytes 149 Mbits/sec 0 sender
[ 5] 0.00-10.01 sec 174 MBytes 146 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 5500.0 RX: 43342 bytes (138 packets) TX: 48181 bytes (203 packets) signal: -43 dBm rx bitrate: 1080.6 MBit/s 80MHz HE-MCS 10 HE-NSS 2 HE-GI 0 HE-DCM 0 tx bitrate: 1200.9 MBit/s 80MHz HE-MCS 11 HE-NSS 2 HE-GI 0 HE-DCM 0
Intel AX200
OS: Armbian v25.2.2, 6.12.15-current-rockchip64
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| AX200 | AX | 917 Mbits/sec | 771 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.116 port 56983 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 110 MBytes 918 Mbits/sec
[ 5] 1.00-2.00 sec 111 MBytes 933 Mbits/sec
[ 5] 2.00-3.00 sec 111 MBytes 930 Mbits/sec
[ 5] 3.00-4.00 sec 110 MBytes 923 Mbits/sec
[ 5] 4.00-5.00 sec 108 MBytes 909 Mbits/sec
[ 5] 5.00-6.00 sec 107 MBytes 895 Mbits/sec
[ 5] 6.00-7.00 sec 107 MBytes 894 Mbits/sec
[ 5] 7.00-8.00 sec 110 MBytes 921 Mbits/sec
[ 5] 8.00-9.00 sec 108 MBytes 905 Mbits/sec
[ 5] 9.00-10.00 sec 109 MBytes 917 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 1.07 GBytes 917 Mbits/sec 357 sender
[ 5] 0.00-10.00 sec 1.06 GBytes 915 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.116 port 47823 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 97.9 MBytes 820 Mbits/sec 163 672 KBytes
[ 5] 1.00-2.00 sec 94.0 MBytes 789 Mbits/sec 135 614 KBytes
[ 5] 2.00-3.00 sec 89.2 MBytes 749 Mbits/sec 137 566 KBytes
[ 5] 3.00-4.00 sec 92.2 MBytes 774 Mbits/sec 114 542 KBytes
[ 5] 4.00-5.00 sec 85.1 MBytes 714 Mbits/sec 119 262 KBytes
[ 5] 5.00-6.00 sec 83.9 MBytes 704 Mbits/sec 0 559 KBytes
[ 5] 6.00-7.00 sec 94.5 MBytes 793 Mbits/sec 187 477 KBytes
[ 5] 7.00-8.00 sec 93.6 MBytes 785 Mbits/sec 157 428 KBytes
[ 5] 8.00-9.00 sec 95.1 MBytes 798 Mbits/sec 150 395 KBytes
[ 5] 9.00-10.00 sec 93.6 MBytes 785 Mbits/sec 146 361 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 919 MBytes 771 Mbits/sec 1308 sender
[ 5] 0.00-10.01 sec 917 MBytes 769 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 5500.0 RX: 55585 bytes (193 packets) TX: 47538 bytes (207 packets) signal: -29 dBm rx bitrate: 1729.6 MBit/s 160MHz HE-MCS 8 HE-NSS 2 HE-GI 0 HE-DCM 0 tx bitrate: 490.0 MBit/s 160MHz HE-MCS 3 HE-NSS 2 HE-GI 2 HE-DCM 0
N
Alfa RT3572
OS: Armbian v25.2.3, 6.12.22-current-x86
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| RT3572 | N | 98.0 Mbits/sec | 67.3 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.114 port 51755 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 10.5 MBytes 88.0 Mbits/sec
[ 5] 1.00-2.00 sec 11.1 MBytes 93.3 Mbits/sec
[ 5] 2.00-3.00 sec 11.5 MBytes 96.6 Mbits/sec
[ 5] 3.00-4.00 sec 11.8 MBytes 98.5 Mbits/sec
[ 5] 4.00-5.00 sec 11.4 MBytes 95.4 Mbits/sec
[ 5] 5.00-6.00 sec 11.6 MBytes 97.5 Mbits/sec
[ 5] 6.00-7.00 sec 11.6 MBytes 97.5 Mbits/sec
[ 5] 7.00-8.00 sec 11.6 MBytes 97.5 Mbits/sec
[ 5] 8.00-9.00 sec 11.9 MBytes 99.6 Mbits/sec
[ 5] 9.00-10.00 sec 11.4 MBytes 95.4 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.01 sec 117 MBytes 98.0 Mbits/sec 0 sender
[ 5] 0.00-10.00 sec 114 MBytes 95.9 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.114 port 34847 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 8.88 MBytes 74.4 Mbits/sec 0 247 KBytes
[ 5] 1.00-2.00 sec 8.00 MBytes 67.1 Mbits/sec 0 294 KBytes
[ 5] 2.00-3.00 sec 8.12 MBytes 68.1 Mbits/sec 0 310 KBytes
[ 5] 3.00-4.00 sec 7.50 MBytes 63.0 Mbits/sec 0 310 KBytes
[ 5] 4.00-5.00 sec 8.50 MBytes 71.3 Mbits/sec 0 325 KBytes
[ 5] 5.00-6.00 sec 7.50 MBytes 62.9 Mbits/sec 0 325 KBytes
[ 5] 6.00-7.00 sec 8.12 MBytes 68.2 Mbits/sec 0 395 KBytes
[ 5] 7.00-8.00 sec 8.12 MBytes 68.2 Mbits/sec 0 395 KBytes
[ 5] 8.00-9.00 sec 7.50 MBytes 62.9 Mbits/sec 0 395 KBytes
[ 5] 9.00-10.00 sec 8.00 MBytes 67.0 Mbits/sec 0 395 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 80.2 MBytes 67.3 Mbits/sec 0 sender
[ 5] 0.00-10.00 sec 78.5 MBytes 65.8 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 5500.0 RX: 214699 bytes (649 packets) TX: 99154 bytes (536 packets) signal: -19 dBm rx bitrate: 270.0 MBit/s MCS 14 40MHz short GI tx bitrate: 300.0 MBit/s MCS 15 40MHz short GI
Atheros AR9271
OS: Armbian v25.2.3, 6.12.22-current-x86
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| AR9271 | N | 57.7 Mbits/sec | 50.3 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.113 port 53099 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 6.38 MBytes 53.4 Mbits/sec
[ 5] 1.00-2.00 sec 6.50 MBytes 54.5 Mbits/sec
[ 5] 2.00-3.00 sec 6.50 MBytes 54.5 Mbits/sec
[ 5] 3.00-4.00 sec 6.38 MBytes 53.5 Mbits/sec
[ 5] 4.00-5.00 sec 6.62 MBytes 55.6 Mbits/sec
[ 5] 5.00-6.00 sec 6.62 MBytes 55.6 Mbits/sec
[ 5] 6.00-7.00 sec 6.62 MBytes 55.6 Mbits/sec
[ 5] 7.00-8.00 sec 6.62 MBytes 55.6 Mbits/sec
[ 5] 8.00-9.00 sec 6.75 MBytes 56.6 Mbits/sec
[ 5] 9.00-10.00 sec 6.62 MBytes 55.6 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.02 sec 68.9 MBytes 57.7 Mbits/sec 0 sender
[ 5] 0.00-10.00 sec 65.6 MBytes 55.0 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.113 port 60027 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 6.50 MBytes 54.5 Mbits/sec 0 182 KBytes
[ 5] 1.00-2.00 sec 6.25 MBytes 52.5 Mbits/sec 0 219 KBytes
[ 5] 2.00-3.00 sec 6.25 MBytes 52.4 Mbits/sec 0 219 KBytes
[ 5] 3.00-4.00 sec 5.62 MBytes 47.2 Mbits/sec 0 219 KBytes
[ 5] 4.00-5.00 sec 6.12 MBytes 51.4 Mbits/sec 0 219 KBytes
[ 5] 5.00-6.00 sec 5.88 MBytes 49.3 Mbits/sec 0 219 KBytes
[ 5] 6.00-7.00 sec 5.25 MBytes 44.0 Mbits/sec 0 219 KBytes
[ 5] 7.00-8.00 sec 6.50 MBytes 54.5 Mbits/sec 0 328 KBytes
[ 5] 8.00-9.00 sec 6.25 MBytes 52.4 Mbits/sec 0 328 KBytes
[ 5] 9.00-10.00 sec 5.38 MBytes 45.1 Mbits/sec 0 328 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 60.0 MBytes 50.3 Mbits/sec 0 sender
[ 5] 0.00-10.01 sec 58.8 MBytes 49.2 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 2462.0 RX: 75519 bytes (288 packets) TX: 54125 bytes (204 packets) signal: -50 dBm rx bitrate: 72.2 MBit/s MCS 7 short GI tx bitrate: 72.2 MBit/s MCS 7 short GI
Ralink RT5370
OS: Armbian v25.2.3, 6.12.22-current-x86
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| RT5370 | N | 39.8 Mbits/sec | 42.9 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.112 port 35661 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 1.88 MBytes 15.7 Mbits/sec
[ 5] 1.00-2.00 sec 4.75 MBytes 39.9 Mbits/sec
[ 5] 2.00-3.00 sec 4.75 MBytes 39.8 Mbits/sec
[ 5] 3.00-4.00 sec 4.75 MBytes 39.8 Mbits/sec
[ 5] 4.00-5.00 sec 4.75 MBytes 39.8 Mbits/sec
[ 5] 5.00-6.00 sec 5.00 MBytes 41.9 Mbits/sec
[ 5] 6.00-7.00 sec 4.50 MBytes 37.8 Mbits/sec
[ 5] 7.00-8.00 sec 4.25 MBytes 35.7 Mbits/sec
[ 5] 8.00-9.00 sec 4.25 MBytes 35.7 Mbits/sec
[ 5] 9.00-10.00 sec 4.50 MBytes 37.7 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.21 sec 48.5 MBytes 39.8 Mbits/sec 0 sender
[ 5] 0.00-10.00 sec 43.4 MBytes 36.4 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.112 port 36571 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 6.50 MBytes 54.5 Mbits/sec 0 308 KBytes
[ 5] 1.00-2.00 sec 5.50 MBytes 46.1 Mbits/sec 0 543 KBytes
[ 5] 2.00-3.00 sec 6.62 MBytes 55.6 Mbits/sec 0 765 KBytes
[ 5] 3.00-4.00 sec 4.12 MBytes 34.6 Mbits/sec 0 943 KBytes
[ 5] 4.00-5.00 sec 4.25 MBytes 35.6 Mbits/sec 0 1.01 MBytes
[ 5] 5.00-6.00 sec 5.50 MBytes 46.1 Mbits/sec 0 1.04 MBytes
[ 5] 6.00-7.00 sec 4.25 MBytes 35.7 Mbits/sec 0 1.22 MBytes
[ 5] 7.00-8.00 sec 5.50 MBytes 46.1 Mbits/sec 1 938 KBytes
[ 5] 8.00-9.00 sec 4.62 MBytes 38.8 Mbits/sec 2 686 KBytes
[ 5] 9.00-10.00 sec 4.25 MBytes 35.6 Mbits/sec 0 744 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 51.1 MBytes 42.9 Mbits/sec 3 sender
[ 5] 0.00-10.01 sec 48.5 MBytes 40.6 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 2462.0 RX: 73944 bytes (288 packets) TX: 49576 bytes (208 packets) signal: -29 dBm rx bitrate: 65.0 MBit/s MCS 6 short GI tx bitrate: 65.0 MBit/s MCS 7
Ralink RT5572
OS: Armbian v25.2.3, 6.12.22-current-x86
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| RT5572 | N | 98.3 Mbits/sec | 68.7 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.111 port 54747 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 11.2 MBytes 94.3 Mbits/sec
[ 5] 1.00-2.00 sec 11.4 MBytes 95.5 Mbits/sec
[ 5] 2.00-3.00 sec 11.2 MBytes 94.3 Mbits/sec
[ 5] 3.00-4.00 sec 11.4 MBytes 95.5 Mbits/sec
[ 5] 4.00-5.00 sec 11.5 MBytes 96.5 Mbits/sec
[ 5] 5.00-6.00 sec 11.5 MBytes 96.5 Mbits/sec
[ 5] 6.00-7.00 sec 11.6 MBytes 97.5 Mbits/sec
[ 5] 7.00-8.00 sec 11.8 MBytes 98.4 Mbits/sec
[ 5] 8.00-9.00 sec 11.5 MBytes 96.4 Mbits/sec
[ 5] 9.00-10.00 sec 11.4 MBytes 95.7 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 117 MBytes 98.3 Mbits/sec 0 sender
[ 5] 0.00-10.00 sec 114 MBytes 96.0 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.111 port 39507 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 9.38 MBytes 78.6 Mbits/sec 0 232 KBytes
[ 5] 1.00-2.00 sec 7.88 MBytes 66.1 Mbits/sec 0 253 KBytes
[ 5] 2.00-3.00 sec 8.12 MBytes 68.2 Mbits/sec 0 269 KBytes
[ 5] 3.00-4.00 sec 7.75 MBytes 65.0 Mbits/sec 0 269 KBytes
[ 5] 4.00-5.00 sec 8.00 MBytes 67.1 Mbits/sec 0 280 KBytes
[ 5] 5.00-6.00 sec 8.50 MBytes 71.3 Mbits/sec 0 291 KBytes
[ 5] 6.00-7.00 sec 8.12 MBytes 68.2 Mbits/sec 0 315 KBytes
[ 5] 7.00-8.00 sec 8.38 MBytes 70.3 Mbits/sec 0 315 KBytes
[ 5] 8.00-9.00 sec 7.62 MBytes 64.0 Mbits/sec 0 315 KBytes
[ 5] 9.00-10.00 sec 8.12 MBytes 68.1 Mbits/sec 0 315 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 81.9 MBytes 68.7 Mbits/sec 0 sender
[ 5] 0.00-10.00 sec 80.4 MBytes 67.4 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 5500.0 RX: 223878 bytes (686 packets) TX: 107951 bytes (541 packets) signal: -32 dBm rx bitrate: 300.0 MBit/s MCS 15 40MHz short GI tx bitrate: 300.0 MBit/s MCS 15 40MHz short GI
Realtek 8188CUS
OS: Armbian v25.2.3, 6.12.22-current-x86
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| RTL8192CU | N | 43.7 Mbits/sec | 35.3 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.110 port 38995 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 5.00 MBytes 41.9 Mbits/sec
[ 5] 1.00-2.00 sec 5.00 MBytes 41.9 Mbits/sec
[ 5] 2.00-3.00 sec 5.25 MBytes 44.0 Mbits/sec
[ 5] 3.00-4.00 sec 5.25 MBytes 44.0 Mbits/sec
[ 5] 4.00-5.00 sec 5.12 MBytes 43.0 Mbits/sec
[ 5] 5.00-6.00 sec 5.12 MBytes 43.0 Mbits/sec
[ 5] 6.00-7.00 sec 5.25 MBytes 44.0 Mbits/sec
[ 5] 7.00-8.00 sec 5.25 MBytes 44.0 Mbits/sec
[ 5] 8.00-9.00 sec 4.88 MBytes 40.9 Mbits/sec
[ 5] 9.00-10.00 sec 4.12 MBytes 34.6 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.35 sec 53.9 MBytes 43.7 Mbits/sec 90 sender
[ 5] 0.00-10.00 sec 50.2 MBytes 42.1 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.110 port 49719 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 4.62 MBytes 38.8 Mbits/sec 0 236 KBytes
[ 5] 1.00-2.00 sec 4.00 MBytes 33.6 Mbits/sec 0 291 KBytes
[ 5] 2.00-3.00 sec 4.00 MBytes 33.6 Mbits/sec 0 328 KBytes
[ 5] 3.00-4.00 sec 4.12 MBytes 34.6 Mbits/sec 0 346 KBytes
[ 5] 4.00-5.00 sec 4.50 MBytes 37.7 Mbits/sec 0 363 KBytes
[ 5] 5.00-6.00 sec 3.75 MBytes 31.5 Mbits/sec 0 383 KBytes
[ 5] 6.00-7.00 sec 4.00 MBytes 33.6 Mbits/sec 0 383 KBytes
[ 5] 7.00-8.00 sec 4.62 MBytes 38.8 Mbits/sec 0 383 KBytes
[ 5] 8.00-9.00 sec 4.12 MBytes 34.6 Mbits/sec 0 383 KBytes
[ 5] 9.00-10.00 sec 4.38 MBytes 36.7 Mbits/sec 0 510 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 42.1 MBytes 35.3 Mbits/sec 0 sender
[ 5] 0.00-10.03 sec 40.2 MBytes 33.7 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 2462.0 RX: 104573 bytes (351 packets) TX: 51543 bytes (210 packets) signal: -28 dBm rx bitrate: 65.0 MBit/s MCS 7 tx bitrate: 72.2 MBit/s MCS 7 short GI
Realtek 8723BU
OS: Armbian v25.2.3, 6.12.22-current-x86
| Chipset | Class | Average forward speed | Average reverse speed |
|---|---|---|---|
| RTL8723BU | N | 29.3 Mbits/sec | 42.0 Mbits/sec |
=== "Forward mode (client to server)"
```
Connecting to host 10.0.60.10, port 5201
Reverse mode, remote host 10.0.60.10 is sending
[ 5] local 10.0.50.109 port 60739 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 3.25 MBytes 27.2 Mbits/sec
[ 5] 1.00-2.00 sec 2.88 MBytes 24.1 Mbits/sec
[ 5] 2.00-3.00 sec 3.38 MBytes 28.3 Mbits/sec
[ 5] 3.00-4.00 sec 3.25 MBytes 27.3 Mbits/sec
[ 5] 4.00-5.00 sec 3.00 MBytes 25.2 Mbits/sec
[ 5] 5.00-6.00 sec 2.88 MBytes 24.1 Mbits/sec
[ 5] 6.00-7.00 sec 3.25 MBytes 27.3 Mbits/sec
[ 5] 7.00-8.00 sec 3.25 MBytes 27.3 Mbits/sec
[ 5] 8.00-9.00 sec 3.62 MBytes 30.4 Mbits/sec
[ 5] 9.00-10.00 sec 3.75 MBytes 31.5 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.07 sec 35.1 MBytes 29.3 Mbits/sec 0 sender
[ 5] 0.00-10.00 sec 32.5 MBytes 27.3 Mbits/sec receiver
iperf Done.
```
=== "Reverse mode (server to client)"
```
Connecting to host 10.0.60.10, port 5201
[ 5] local 10.0.50.109 port 48323 connected to 10.0.60.10 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 5.00 MBytes 41.9 Mbits/sec 0 257 KBytes
[ 5] 1.00-2.00 sec 5.62 MBytes 47.2 Mbits/sec 1 232 KBytes
[ 5] 2.00-3.00 sec 4.25 MBytes 35.7 Mbits/sec 0 264 KBytes
[ 5] 3.00-4.00 sec 5.12 MBytes 43.0 Mbits/sec 0 288 KBytes
[ 5] 4.00-5.00 sec 5.00 MBytes 41.9 Mbits/sec 0 301 KBytes
[ 5] 5.00-6.00 sec 5.00 MBytes 41.9 Mbits/sec 0 305 KBytes
[ 5] 6.00-7.00 sec 5.00 MBytes 41.9 Mbits/sec 0 305 KBytes
[ 5] 7.00-8.00 sec 5.00 MBytes 41.9 Mbits/sec 0 305 KBytes
[ 5] 8.00-9.00 sec 5.00 MBytes 41.9 Mbits/sec 0 308 KBytes
[ 5] 9.00-10.00 sec 5.12 MBytes 43.0 Mbits/sec 0 318 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 50.1 MBytes 42.0 Mbits/sec 1 sender
[ 5] 0.00-10.02 sec 48.5 MBytes 40.6 Mbits/sec receiver
iperf Done.
```
=== "Wireless link info"
freq: 2462.0 RX: 76282 bytes (291 packets) TX: 51971 bytes (206 packets) signal: -48 dBm rx bitrate: 52.0 MBit/s MCS 5 tx bitrate: 72.2 MBit/s MCS 7 short GI
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-
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