Product description: Waveshare NB-IoT HAT - GSM SIM7020E - Raspberry cover plate Pi 4B/3B+/3B/2B/Zero.
NB-IoT overlay for Raspberry Pi, which allows for creating GSM network connections. Supports communication protocols such as LWM2M/COAP/MQTT. Communicates via serial interface UART (RX, TX)via AT commands.
NB-IoT (NarrowBand-Internet of Things) is a communication technology used in IoT. Its main advantages are low power consumption, low cost of devices and good range. Applications in which they are used are: monitoring, tracking, mobile POS terminals, smart metering devices, etc.
Waveshare NB-IoT - GPS/GSM SIM7020E
Waveshare NB-IoT - GPS/GSM SIM7020E
Features of the Waveshare NB-IoT overlay - GSM SIM7020E
- It is compatible with Raspberry Pi 4B/3B+/3B/2B/Zero WH/Zero W/Zero
- Communication takes place by means of:LWM2M/COAP/MQTT/TCP/UDP/HTTP/HTTPS
- USB interface for AT command control
- UART interface for cooperation with Arduino/STM32
- Built-in voltage level converter 3.3V by default, can be changed to 5V with a jumper
- SIM card slot compatible with standard SIM cards and dedicated NB-IoT cards
- The LEDs that return module status
- Baudrate: 300 bps to 3686400 bps
Technical Specification
| Parameter | Scope |
|---|---|
| Supply voltage | 5 V |
| Working voltage | 5 V / 3.3 V (default 3.3 V) |
| Total current consumption | 18 mA |
| 3.3 V power consumption |
|
| Dimensions | 30.5 mm x 65.0 mm |
| Operating temperature | from -40°C to 85°C |
