1,The for RPI LTE Cat-1 expansion board supports LTE Cat-1/3G/2G communication and GNSS positioning. Full Netcom multi-band, LTE Cat-1/3G/2G, GNSS positioning, dial-up Internet access, call and SMS 2,The board supports dial-up Internet access, telephone, SMS, TCP, UDP, DTMF, HTTP, FTP and other functions. Support for GPS/Beidou/Glonass /LBS base station positioning. 3,The onboard USB interface can be used to test AT commands and obtain GPS positioning information. Onboard USB to UART chip, convenient for serial debugging. 4,Onboard SIM card slot support 1.8V and 3V SIM cards. Onboard small memory card slot, can be used to store data such as files and SMS. 5,The onboard audio interface and audio decoding chip can be used for voice operations such as phone calls. 2 LED indicators on board, easy to check the running status of the module. 6,Onboard level conversion circuit can switch 3.3V/5V working level through jumper hat. Support baud rate range is 300bps-4Mbps (default is 115200bps) 7,The product supports automatic recognition of baud rate (9600bps-115200bps) and support AT command control (based on 3GPP TS 27.007, 27.005 and V.25TER command set). Item Type: Expansion module LTE Cat-1/3G/2G Parameters LTE Cat-1: LTE-TDD: B38/B40/B41 LTE-FDD: B1/B3/B5/B7/B8/B20 3G: UMTS/HSPAand: B1/B5/B8 2G: GSM/GPRS/EDGE: 900/1800MHz GNSS Parameters Receive: 16 channels C/A Code Sensitivity: -159dBm (GPS)/-158dBm (GLONASS)/-159dBm (Beidou) Cold start: -148dBm First Positioning Time (Open Area): Cold start; <35s Hot Start: <1s SMS and Audio Parameters Short Message (SMS): Support Type: MT, MO, CB, Text, PDU SMS Storage Device: USM card and ME (default) Sound Characteristics: Support echoing sound cancellation function Support noise printing function Other Parameters Power Supply Voltage: 5V Working Voltage: 5V/3.3V (can be switched by jumper hat) Working Temperature: -30℃-80℃ Storage Temperature: -45℃-90℃ 1 x SIM7600E LTE Cat-1HAT 1 x LTE Antenna 1 x GPS External Antenna (B) 2 x USB Cable TypeA Male Port to Male Port 1 x RPi Standoff Pack (2Pcs/set) 2 x Wiring Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.