4G module: SIM7600G-H. Applicable area: global Operating frequency band: LTE Cat-4: LTE-FDD:B1/B2/B3/B4/B5/B7/B8//B13/B18/B19/B20/B25/B26/B28/B66. LTE-TDD:B34/B38/B39/B40/B41 3G:UMTS/HSDPA/HSPA+:B1/B2/B4/B5/B6/B8/B19. 2G:GSM/GPRS/EDGE:850/900/1800/1900 MHz GNSS:GPS/Beidou/GLONASS//QZSS. GNSS parameters:Receiving: C/A Code; 16 channels Sensitivity: - 159dBm (GPS)/- 158dBm (GLONASS)/TBD (Beidou), cold start: - 148dBm. First positioning time (open land): cold start:Less than 35s; Hot start:Less than 1s. Network protocol: IP/IPV4/IPV6/MQTT/MQTTS/Multi-PDP//FTPS/HTTP/HTTPS/DNS. Internet access mode: /NDIS/RNDIS. USB drive: XP/7/8/10/11, Linux (for Raspberry Raspbian system drive-free) Color: blue Material: PCB+ metal Short message (SMS): support type: MT, MO, CB, Text, PDU USB interface: supported, can be used to access PC/for raspberry pie/for Nano and other hosts for 4G networking, positioning, AT receiving and sending test, firmware upgrade, etc UART interface: support, can be used to connect to MCU for 4G networking, positioning, AT sending and receiving test, and can be compatible with 3.3V/5V working level SIM card interface: onboard Nano SIM card slot with relevant pins, compatible with 1.8V and 3V SIM cards Antenna interface: MAIN: 4G main antenna AUX: 4G auxiliary antenna GNSS: positioning antenna Other interfaces: common control pins of GPIO, PWR, , FLT and other modules Power supply mode: USB port or VBUS - GND pin power supply: 5V power supply VIN - GND pin power supply: 5V~26V wide voltage power supply BAT - GND pin power supply: 3.7V lithium battery power supply Working voltage: 3.3V by default (3.8V~5V can be connected externally via and set to the working level of corresponding ) Working temperature: - 30~80 C Storage temperature: - 45~90 C Product size: 38.8 x 42.0mm Package Contents: 1 x SIM7600G-H 4G Module (B) 1 x 4G propeller 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.