The SIM7028 NB-IoT HAT is a small size, low-power, and powerful Raspberry Pi HAT with NB-IoT (Narrow-Band Internet of Things) function, supports global band and supports TCP, UDP, LWM2M, COAP, DTLS, DNS, NTP, PING, HTTP(S), MQTT(S), TLS/SSL, etc. It is designed for applications that need low delay, low power, and low throughput, also suitable for IoT applications such as meters, remote control, asset tracking, remote monitoring, remote healthcare, bicycle-sharing, and so on.
COMMUNICATION PARAMETERS | |
---|---|
Band | B1/B2/B3/B4/B5/B8/B12/B13/B14/B17/B18/B19/B20/B25/B26/B28/B66/B70/B85 |
Data rate | ≤159Kbps(UL) ≤127Kbps(DL) |
OPERATING PARAMETERS | |
Power supply | 5V |
Logic level | 5V/3.3V (3.3V by default) |
Overall current (idle mode) | 4mA |
Single module current (VBAT=3.3V) | Idle mode: 2.8mA |
PSM mode: 0.8uA | |
DRX mode: 0.11mA@Idle(DRX=2.56s) | |
eDRX mode: 0.018mA@Idle(eDRX=163.84s; PTW=25.6s) |
Provides Multiple Networking Demos With Waveshare.Cloud, AWS IoT Core, And Aliyun IoT Support, Using The Lightweight MQTT Protocol To Achieve Data Visualization Services
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
CAT-M & NB-IOT & GSM | CAT-M & NB-IOT | NB-IOT | ||||
---|---|---|---|---|---|---|
SIM7000C / SIM7000E | SIM7000G | SIM7070G | SIM7080G | SIM7020C / SIM7020E | SIM7028 | |
Applicable regions | SIM7000C: China SIM7000E: Europe / Africa / Australia / Southeast Asia | Global | SIM7020C: China SIM7020E: Europe / Africa / Australia / Southeast Asia | Global | ||
Band | ||||||
NB-IoT | SIM7000C: LTE-FDD: B1, B3, B5, B8 SIM7000E: LTE-FDD: B3, B8, B20, B28 | B1, B2, B3, B4, B5, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28 | B1, B2, B3, B4, B5, B8, B12, B13, B18, B19, B20, B25, B26, B28, B66, B71, B85 | SIM7020C: LTE-FDD: B1, B3, B5, B8 SIM7020E: LTE-FDD: B1, B3, B5, B8, B20, B28 | B1, B2, B3, B4, B5, B8, B12, B13, B14, B17, B18, B19, B20, B25, B26, B28, B66, B70, B85 | |
Cat-M | B1, B2, B3, B4, B5, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28, B39 | B1, B2, B3, B4, B5, B8, B12, B13, B14, B18, B19, B20, B25, B26, B27, B28, B66, B85 | N/A | |||
GSM | GPRS/EDGE 900/1800 MHz | GSM/GPRS/EDGE 850/900/1800/1900MHz | N/A | N/A | ||
GNSS | SIM7000C/SIM7000G: GPS, GLONASS, BeiDou SIM7000E/SIM7070G/SIM7080G: GPS, GLONASS, BeiDou, Galileo | N/A | ||||
Data Rate | ||||||
NB-IoT(Kbps) | 34(DL)/66(UL) | 136(DL)/150(UL) | 26.15(DL)/62.5(UL) | 127(DL)/159(UL) | ||
Cat-M(Kbps) | 300(DL)/375(UL) | 589(DL)/1119(UL) | ||||
EDGE(Kbps) | 236.8(DL)/236.8(UL) | 236.8(DL)/236.8(UL) | ||||
GPRS(Kbps) | 85.6(DL)/85.6(UL) | 85.6(DL)/85.6(UL) | ||||
Software Features | ||||||
Network protocol | TCP/UDP/HTTP/HTTPS/TLS/DTLS/PING/LWM2M/COAP/MQTT, etc. | |||||
Firmware upgrade | USB | UART | UART/USB | |||
Hardware Interfaces | ||||||
SIM card slot | 1.8V/3V | 1.8V | 1.8V | 1.8V/3V | 1.8V/3V | |
UART | Supports AT commands | Supports AT commands, firmware upgrading | ||||
USB | Supports AT commands testing, GPS positioning, firmware upgrading, etc. | For external power supply ONLY | Supports AT commands, firmware upgrading | |||
Antenna connector | LTE antenna (SMA) + GNSS antenna (IPEX) | LTE antenna (IPEX) + GNSS antenna (IPEX) | LTE antenna (SMA) | |||
Applications | ||||||
Examples | Meters, remote control, smart home, smart city, intelligent agriculture, and so on |
Weight: 0.06 kg