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# NB-IoT Plus
<el-tag effect="plain">SKU:M030</el-tag>
<div class="product_pic"><img src="assets\img\product_pics\module\nb-iot-plus\nb_iot_plus_01.webp"><img src="assets\img\product_pics\module\nb-iot-plus\nb_iot_plus_02.webp"></div>
## 描述
**NB-IoT Plus** 是M5Stack堆叠模块系列中的一款NB-IoT物联网通信模块,内部集成高性能NB-IoT全网通无线通信模组**M5311-GB(国际版)**,相较M5311-LV增加了更多频段,可支持B1/B3/B5/B8/B20/B28多个频段.内置铜制螺旋天线,并预留了ipex连接座,方便用户使用外置天线以获得更好的信号强度.模块支持休眠功能,低功耗设计可以帮助客户获得更长的终端使用寿命.M5311-GB提供丰富的外部接口和协议栈,支持外接传感器设备,为用户的产品开发提供了极大的便利.该模块特别适用于以超低功耗、超小尺寸为核心需求的智能抄表、智能穿戴、智能停车、市政管理等行业.
<img src="assets/img/product_pics/module/nb-iot-plus/NanoSIM.jpeg" width="30%" height="30%">
<img src="assets\img\product_pics\module\nb-iot-plus\nb_iot_plus_04.webp" width="30%" height="30%">
<img src="assets\img\product_pics\module\nb-iot-plus\nb_iot_plus_05.webp" width="30%" height="30%">
补充说明:
- GPIO2维持高电平2s开机
- GPIO2维持高电平8s关机
- 电源按钮长按2s开机
- 电源按钮长按8s关机
- GPIO26高电平模块复位
?>**M5Stack Fire** 中的 GPIO 16 / 17 默认与PSRAM连接,这使得NB-IoT Plus模块的TXD / RXDGPIO16GPIO17)与其产生冲突.因此,当你使用 M5Stack Fire 去驱动 NB-IoT Plus模块时,你需要将 NB-IoT Plus模块的 TXD 与 RXD 切断,然后通过飞线引至另一组 UART 引脚.
<img src="assets/img/product_pics/module/nb-iot/module_nbiot_note01.webp" width="100%">
## 产品特性
- SIM卡类型: Nano
- 状态信号:两路LED指示灯
- 单路开关机按钮
- 板载天线可选:内置铜制螺旋天线(或通过跳线切换至IPEX座)
- 串行通信:Uart2 16/17
- 工作温度范围:-40°C 至+ 85°C
- NB-IoT 支持 LTE Cat NB2*
- 频段:
B1/B3/B5/B8/B20/B28
- 数据传输:
LTE Cat NB1速率(kbps):
- Single Tone 15.625(UL)/21.25(DL)
- Multi Tone 62.5(UL)/21.25(DL)
- SMS 支持 PDU/TEXT 模式
- 网络协议 IPv4/IPv6/UDP/TCP/CoAP/LwM2M/HTTP/MQTT/TLS
- 电气特性:
- 电压: 3.3V
- 耗流:
3uA@PSM
0.4mA@ldle mode(DRx=1.28S)
167mA@Tx(23dBm/15kHzST)
54mA@Rx
- 输出功率: 23dBm±2dB
- 灵敏度:
-114dBm( 无重传 )
-130dBm( 开启重传 )
- 产品尺寸:54mm x 54mm x 13mm
- 产品重量:9g
## 包含
- 1x NB-IoT Plus模块
## 应用
- 智能表计
- 智能停车
- 市政管理
## 规格参数
<table>
<tr style="font-weight:bold">
<td>规格</td>
<td>参数</td>
</tr>
<tr>
<td>净重</td>
<td>13g</td>
</tr>
<tr>
<td>毛重</td>
<td>24g</td>
</tr>
<tr>
<td>产品尺寸</td>
<td>54.2*54.2*12.8mm</td>
</tr>
<tr>
<td>包装尺寸</td>
<td>60*57*17mm</td>
</tr>
</table>
### 部分国家运营商频段
以下内容,仅供参考.
<table>
<tr><td>北美</td><td>B4 (1700), B12 (700), B66 (1700), B71 (600), B26 (850) </td></tr>
<tr><td>亚太</td><td>B1(2100), B3(1800), B5(850), B8(900), B18(850), B20(800), B26(850),B28(700)</td></tr>
<tr><td>欧洲</td><td> B3 (1800), B8 (900) , B20 (800) </td></tr>
<tr><td>拉丁美洲</td><td>B2(1900), B3(1800), B5(850), B28(700) </td></tr>
<tr><td>俄罗斯及周边国家</td><td>B3 (1800), B8 (900), B20 (800)</td></tr>
<tr><td>南非</td><td>B3(1800), B8(900) </td></tr>
<tr><td>中东及北非</td><td>B8(900), B20(800)</td></tr>
</table>
<!-- North America: B4 (1700), B12 (700), B66 (1700), B71 (600), B26 (850)
Asia Pacific: B1(2100), B3(1800), B5(850), B8(900), B18(850), B20(800), B26(850)
and B28(700);
Europe: B3 (1800), B8 (900) and B20 (800);
Latin America: B2(1900), B3(1800), B5(850) and B28(700)
Commonwealth of Independent States: B3 (1800), B8 (900) and B20 (800);
Sub-Saharan Africa: B3(1800) and B8(900);
Middle East and North Africa: B8(900) and B20(800); -->
## 相关链接
- **Datasheet** - [M5311](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/module/M5311_cn.pdf)
- **AT Command** - [M5311 AT指令表](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/module/M5311_AT_Command_Interface_Specification_en.pdf)
## 原理图
- [NB-IoT Plus Module](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Modules/module_nb_iot_sch.pdf)
## EasyLoader
>EasyLoader是一个简洁快速的程序烧录器,每一个产品页面里的EasyLoader都提供了一个与产品相关的案例程序,通过简单步骤将其烧录至主控,能够进行一系列的功能验证.
<div class="easyloader-box">
<div style="background-color:white;">
<div><img src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/image/easyloader_intro.webp"></div>
<div class="easyloader-btn">
<a href="https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Windows/MODULE/EasyLoader_NB-IoT-Plus_MODULE.exe">Windows</a>
<a href="https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/MacOS/MODULE/EasyLoader_NB-IoT-Plus_MODULE_0x1000.dmg">MacOS</a>
<!-- <a>Linux</a>
<a>MacOS</a> -->
</div>
</div>
<div>
<video id="example_video" controls>
<source src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Product_example_video/Module/NB-IoT-Plus.mp4" type="video/mp4">
</video>
<div class="easyloader-mask">
<a style="text-align: center; margin-top: 45px">
<svg id="play-btn" t="1583228776634" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="4152" width="75" height="75"><path d="M512 0C229.216 0 0 229.216 0 512s229.216 512 512 512 512-229.216 512-512S794.784 0 512 0z m0 928C282.24 928 96 741.76 96 512S282.24 96 512 96s416 186.24 416 416-186.24 416-416 416zM384 288l384 224-384 224z" p-id="4153" fill="#007aff"></path></svg></a>
<p>案例描述:</p>
<p>自动复位初始化NB-IoT模块注册网络服务,本地收发MQTT消息并通过串口打印.</p>
</div>
</div>
</div>
## 案例程序
### 1. Arduino
[请点击此处获取Arduino示例代码](https://github.com/m5stack/M5Stack/tree/master/examples/Modules/NB-IoT-PLUS_M5311GB)
### 管脚映射
<table>
<tr><td>M5Stack</td><td>GPIO16</td><td>GPIO17</td><td>3.3V</td><td>GND</td></tr>
<tr><td>Module NB-IoT PLUS</td><td>RX</td><td>TX</td><td>3.3V</td><td>GND</td></tr>
</table>
## MBUS引脚定义
<img src="assets\img\product_pics\module\module_bus.webp"/>
<script>
var purchase_link = 'https://m5stack.com/collections/m5-module/products/m5stack-nb-iot-plus-module-m5311-gb';
anchor_search(purchase_link);
scrollFunc();
</script>