Feature:1. Supports: 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, USAT2. 2 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 calls3. SIM 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 access4. Support: Support dialing, telephone, SMS, TCP, UDP, DTMF, HTTP, FTP, etc. Support GPS, Beidou, GLONASS, Galileo, QZSS and LBS base station positioning5. Used for: USB HUB connector is used for other for raspberry PI boards or PCS, providing USB expansion and 4G network access. Integrated SIM7600GH global band 4G module, compatible with 2G/3G/4G network, global supportSpecification:Item Type: SIM7600GH 4G HATMaterial: PCBOperating Frequency Band:LTE Cat-4:LTE-FDDB1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28/B66LTE-TDDB34/B38/B39/B40/B413G: UMTS/HSDPA/HSPA+B1/B2/B4/B5/B6/B8/B192G: GSM/GPRS/EDGE850/900/1800/1900 MHzGNSS:Satellite System: Gps , Beidou , Glonass ,Galileo ,QzssReceiver Type: 16 Channels, C / A CodesSensitivity: - 159 dBm (GPS) / - 158 dBm (GLONASS) / Tbd (beidou), Cold Start: - 148 dBmFirst Positioning Time (Open): Cold Start: < 35s, Hot Start: < 1sSMS and Voice Frequency:SMS: Supported Types: MT,MO,CB,Text,PDUVoice Frequency Features: Support Echoes Cancellation. Support Noise Suppression FunctionOther:Power Supply Voltage: 5VOperating Temperature: - 30-80Storage Temperature: - 45-90Product Size: Approx. 65.00 x 32.00mm / 2.6 x 1.3in.Package List:1 x GPS Antenna 1 x Antenna 1 x SIM7600G-H 4G HAT(B)1 x LTE Antenna 1 x Screw Package1 x USB Cable Type A Male Port to Micro Male Port