Onboard BG95-M3 main module, supports LTE Cat M1, LTE Cat NB2, EGPRS network, universal worldwide Onboard 40PIN GPIO interface, compatible with most HAT expansion boards Onboard 5 LED indicators, convenient for viewing module operation status Onboard Type-C interface, only one USB Type-C data cable is needed to easily play with the development board Support , , UDP, , , (S), HTTP(S), NITZ, PING, MQTT, LwM2M, CoAP, IPv6 and other protocols, support GNSS positioning (GPS, GLONASS, BDS, , QZSS) Applicable area: Global Bluetooth: Not supported Wi-Fi Scan: Not supported CAT 1: Not supported -lOT: Cat NB2: Downlink 127 Kbps; Uplink 158.5 Kbps Cat NB1: Downlink 32 Kbps; Uplink 70 Kbps Cat-M: Downlink 588 Kbps; Uplink 1119 Kbps GSM/GPRS/EDGE: EDGE: Downlink 296 Kbps; Uplink 236.8 Kbps GPRS: Downlink 107 Kbps; Uplink 85.6 Kbps EDGE USB interface: All supported, can be used to test AT commands, obtain GPS positioning information, upgrade firmware, etc. Communication protocols: PP, , UDP, , , (S), HTTP(S), NITZ, PING, MQTT, LwM2M, CoAP, IPV6 SIM card: Nano SIM card (only supports 1.8V) Antenna interface: LTE main antenna + diversity antenna + GNSS antenna Operating temperature -30 ~ 75 Storage temperature -45 ~ 90 Colour:As Shown Material:PCB Package Contents: 1x Development Board 1x USB Cable 1x Connecting Cable 1x Antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.