1. Support 2G/3G4G network, universal, support 2G/3G4G communication network of global frequency band. 2. Provide drivers, applicable to operating systems such as Windows/Linux/Android. 3. Support TCP/IP/IPV4/IPV6/Multi-PDP/FTP/FTPS/HTTP/HTPS/DNS and other communication protocols. 4. The onboard USB interface is convenient for direct access to mainstream ARM, X86 motherboards or other industrial computers for networking. 5. Onboard UART interface, with hardware flow control, easy to connect to for Arduino/STM32 and other main control boards. 6. Onboard GNSS interface, support GPS, Beidou, Glonass, LBS base station positioning. 7. Onboard SIM card slot, support 1.8V and 3V SIM card. 8. There are 3 LED indicators on board, which is convenient to check the running status of the module. 9. Matching shell, small size, beautiful and durable, easy to carry. 10. Support automatic identification of baud rate (9600bps~115200bps) Product model: SIM7600G-H Working frequency: LTE Cat-4/ LTE Cat-1: LTE-TDD: B34/B38/B39/B40/B41 LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B8/B19/B20/B25/B26B28/B66 3G: UMTS/HSDPA/HSPA+: B1/B2/B4/B5/B6/B8/B19 2G: GSM/GPRS/EDGE: 850/900/1800/1900MHz GNSS: Support GPS, Beidou, Glonass, LBS base station positioning Applicable area: global Data mission: LTE Cat-4: 150Mbps(DL)/50Mbps(UL) 3G (HSPA+): 42Mbps(DL)/5.76Mbps(UL) 2G(EDGE): 236.8Kbps(DL)/236.8Kbps(UL) 2G(GPRS): 85.6Kbps(DL)/85.6Kbps(UL) Software function Operating system: Windows/Linux/Android Communication protocol: TCP/IP/IPV4/IPV6/MULTI-PDP/FTP/FTPS/HTTP/HTTPS/DNS Internet access: NDIS/RNDIS/PPP Short Message (SMS): Support MT, MO, CB, Text, PDU Hardware description Communication interface: U58/UART UAR communication baud rate: 300bps-4Mbps (the default is 115200bps) Indicator light: NET: network indicator, STA: status indicator, PWR: power indicator, SIM car