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Product description: NB-IoT cap - for M5Stack Core development modules - M5311.
Wirelesscommunicationmodule integrated withNB-IoT M5311. The unit has low power consumption while maintaining high performance and reliable connection quality even in difficult conditions. The module can work with otherM5Stackextensions to form a"stack" ofmodules. Additionally, the module has been equipped withLEDs, power buttons, 2 antennas, WUP andnanoSIMcard slot.
NB-IoT overlay from M5Stack.
Arrangement of elements on the board inside the module.
Technical specifications
- Communication interface: UART
- Power supply voltage:
- 2.1 V to 3.6 V (low-voltage mode)
- 3.0 V to 3.6 V (constant voltage mode)
- Layout: M5311
- B3 / B8 / B5
- Operating temperature
- Support for NB-IoT LTE cat. NB2
- Speed (kbps):
- Single Tone: 15.625 Kb/s (UL), 21.25 Kb/s (DL)
- Multi Tone: 62.5 Kb/s (UL), 21.25 Kb/s (DL)
- SMS modes: PDU / TEXT
- Network protocols:
- IPv4 / IPv6 / UDP / TCP
- CoAP / LwM2M / HTTP / MQTT / TLS
- Sensitivity:
- Enabling retransmission: -130db
- Shutdown retransmission: -114db
- Energy consumption:
- 3uA / PSM
- 0.4mA / IDLE
- 167 mA / TX
- 54 mA / RX
- Dimensions:54.2 x 54.2 x 2.8 mm
- Weight:13 g
