| 1Supports: Supports AT order control (3GPP TS 27.007, 27.005, and V.25ter order sets). Support SIM application kit: SAT Class 3, GSM 11.14 Release 99, USAT 22 Onboard LED Indicators: There are two onboard LED indicators to check the running status of the module. It can be used for voice operations such as making phone calls 3SIM Card Slot: Supports 1.8V/3V SIM cards. USB HUB connector is used for other for raspberry PI boards or PCS, providing USB expansion and 4G network access 4Support: Support dialing, telephone, SMS, TCP, UDP, DTMF, HTTP, FTP, etc. Support GPS, Beidou, GLONASS, Galileo, QZSS and LBS base station positioning 5Used for: USB HUB connector is used for other for raspberry PI … | |