The M5Stamp CAT-M Module from M5Stack is a compact global version of the CatM & NB-IoT dual-mode wireless communication module based on the SIM7080G solution. The module adopts serial communication, Control Via AT Commands, and supports multiple communication protocols. It is designed for applications that need low latency, low throughput data communication in a variety of radio propagation conditions. This module is well suited for remote control, remote monitoring, remote medical and other IoT applications. Features * SIM7080G / UART interface, AT Commands * Support bothCat-M and NB-IoT * Globally support the most Cat-M & NB-IoT bands networks * Uplink and downlink speed: * Cat-M: Uplink: 1119Kbps Downlink: 589Kbps * NB-IoT: Uplink: 150Kbps Downlink: 136Kbps * Supported protocols: * TCP/UDP/HTTP/HTTPS/TLS/DTLS/PING/LWM2M/COAP/MQTT communication protocols * On-board IPEX external antenna interface can be transferred to SMA antenna via a conversion cable * Sim Card specification: MicroSIM * Multiple soldering options * Three types of soldering options are available (SMT, DIP, Jumper wire), * With high-temperature resistant plastic enclosure, Peak temperature = 230℃ * Module certification: * Softbank/Telec/RoHS/REACH/JATE/Docomo/KDDI/RCM/CE(RED)/GCF * Deutsche Telekom/FCC/PTCRB/AT&T/Verizon/T-Mobile/US Cellular/IC * Development Platform: * Arduino * Antenna Certification Information * Telec Package Contents * 1x STAMP Cat-M * 1x Antenna 2dBi@ 800-1900MHz SMA glue stick 4G antenna (with Frequency Sticker) * 1x Antenna SMA to IPEX conversion cable AH-15CM-IPEX 10CM * 1x HEX Key 1.5mm Specifications Module type SIM7080G Support CAT-M band B1/B2/B3/B4/B5/B8/B12/B13/B14/B18/B19/B20/B25/B26 /B27/B28/B66/B85 Support CAT-NB band B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B28 /B66/B71/B85 Cat-M up/downstream speed Uplink: 1119Kbps Downlink:589Kbps NB-IoT up/downstream speed Uplink: 150Kbps Downlink:136Kbps RF Power Class Class 5 (Typ. 21dbm) SIM Card Slot Specifications MicroSIM Standby Operating Current DC5V/46mA Network Current DC5V/71mA Communication Interface UART: baud 115200 8N1 Net Weight 4.5g Gross Weight 17.8g Product Size 30.1*20.1*\5.5mm Package Size 91.1*135.5mm Resources * Product Documentation * Schematic * Datasheet * AT Command * Arduino Demonstration https://elecena.pl/product/22727652/m5stamp-cat-m-module-sim7080g 2023-03-07 https://elecena.pl/product/22727652/m5stamp-cat-m-module-sim7080g 2023-12-27 https://elecena.pl/product/22727652/m5stamp-cat-m-module-sim7080g 2024-09-18 https://elecena.pl/product/22727652/m5stamp-cat-m-module-sim7080g 2024-11-29 https://elecena.pl/product/22727652/m5stamp-cat-m-module-sim7080g 2024-11-30 https://elecena.pl/product/22727652/m5stamp-cat-m-module-sim7080g 2025-04-29 https://elecena.pl/product/22727652/m5stamp-cat-m-module-sim7080g 2025-11-28 https://elecena.pl/product/22727652/m5stamp-cat-m-module-sim7080g 2025-11-29