M100 4G/3G Serial Modem Wlink M100 family industrial 3G/4G cellular Modem with RS-232 /RS-485 Serial port is the modem that provides SMS and dial-up function by 2G/3G/4G Cellular network cater for industrial application requirement. Datasheet Application Firmware FeaturesIndustrial Class DesignHigh-powered Industrial cellular module provide the strong anti-jamming abilityPCB comply to 3H and 3WWide range Voltage power supplyFlexibility and ConvenienceSupport standard RS232/RS485 interface that can plug into industrial PC or end RS232 /RS485 devicePlug & Play solution for quick and easy integration , flexible and reliableControl the power on/off by interface control line, easy for user device to control the operation of the modemStability and ReliabilityThe modem support serial I/O hardware reset to ensure always onlineLink detection and watch-dog design, support WDT to ensure always online transmissionUIM/SIM SIM card ESD Protection: 1.8V/3V StandardRS232 Interface ESD protectionRobust Metal Case and anti-lightning protectionProvide IP30 protection