M5Stack C-Back NB-loT Global version (SIM7020G)

Sale price £19.90
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The CBack NB-IoT is an NB-IoT communication module adapted to the M5StickC/C Plus series, with a built-in SIM7020G module that covers most of the world's Cat-NB frequency band. It integrates the SMA external antenna interface, improves the communication quality, and the signal stability of the device. It supports a variety of common IoT communication protocols (MQTT, HTTP, CoAP, etc.), which is suitable for various low-latency and low-throughput application scenarios.


  • Compatible with M5StickC/C Plus series
  • AT command control, UART transmission rate: 115200bps
  • SIM card type: Nano
  • External antenna: SMA antenna
  • SIM7020G national telecommunications certification


Resources Parameters
Communication module SIM7020G
The Cat-NB band is supported B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66/B70/B71/B85
Data transfer speed 126(DL)/150(UL)
Network protocols TCP/UDP/LWM2M/COAP/ MQTT/HTTP/HTTPS/ TLS/DTLS/DNS/NTP/ PING/OneNET/Telecom Cloud/Aila Cloud*
Communication method UART 115200bps
authentication CE*/FCC*/GCF*/PTCRB*/RoHS/REACH/ATEX/TIM*/Deuts Telecom*/Vodafone*/T-Mobile*
Product Size 68mm × 24mm × 21mm
Package Size 90mm × 35mm × 21mm
Product Weight 12.2g
Package Weight 25g


Package Contents

  • 1x CBack NB-IoT CN
  • 1x SMA antenna
  • 2x M2x4 screws

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