SIM7600G H 4G DTU Module LTE Global Universal Industrial Grade 4G DTU Module Board for USB UART RS232 RS485 100‑240V US Plug Item Type: SIM7600G H 4G DTU Module Material: Aluminum Alloy Operating Frequency Band: 4G: LTE FDD: B1, B2, B3, B4, B5, B7, B8, B12, 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, GALILEO, QZSS Applicable Area: Global Data Transmission: 4G (LTECat 4): 150mbps (DL) 50mbps (UL) 3G (HSPA+): 42mbps (DL) 5.76mbps(UL) 2G (GPRS): 85.6mbps (DL) 85.6mbps(UL) Software Features: Communication Protocols: TCP, IP, IPV4, IPV6, Multi PDP, FTP, FTPS, HTTP, HTTPS, DNS (Send Receive Control Via AT Command, Module Open for Linux SDK Available For Secondary Development) Support System: For Windows for Linux, Etc. Hardware Description: RS232: Interface Form: DB9 Female, Interface Protection: TVS Tube Protection, Surge And Static Protection RS485: Interface Form: Terminal Block (A, B), Interface Protection: 600W Thunder Protection, Surge And 15KV Static Protection (120R Balanced Resistance Pads Are Reserved) TTL (UART): Working Level: 3.3V Or 5V, Interface Form: Terminal Block (TXD, RXD, GND) Serial Communication Baud Rate: Support 300bps-921600bps,Default Is 115200bps USB Interface: Operating Level: 5V Interface Form: Micro USB Interface Protection: Provide ESD Protection Diode, Electrostatic Discharge Protection Interface Use: Parameter Configuration, Dial Up Internet, Firmware Upgrade Power Supply Interface: Interface Form: 7-36V Terminal Or DC12V Interface Interface Protection: Schottky Diode Protection, Anti Reverse Connection Protection Hardware Protection: Built In MCU, Hardware Watchdog Function, To Ensure That No Downtime, Industrial Grade Aluminum Alloy Shell Indicator Lights: PWR (Power), RXD TXD (Serial Transceiver), NET (Network), LNK (Customizable) Push Button: Reset Button Antenna Interface: MAIN LTE, AUX LTE, GNSS