Support mode	standard EVDO / CDMA2000, telecommunication 3G / 2G network. Support 5 modes, TD-LTE / FDD-LTE / WCDMA / TD-SCDMA / GSM, Unicom 4G, 3G, 2G, mobile 4G, 3G , 2G and telecom 4G networks.
Transmission rate	3G network speed: uplink 5.76Mbps and downlink 7.2Mbps. 4G network speed: 2Mbps uplink and 68Mbps downlink.
SIM card	Voltage: 3V, 1.8V; size: large card (small card can be used to buy card sets)
working environment	Operating temperature, humidity -40 ~ 85 ℃, 5 ～ 95% RH Storage temperature, humidity -45 ~ 165 ℃, 5 ～ 95% RH
Electrical characteristics	Power interface Q2.1 socket can be customized as power terminal input. Voltage input 9 ～ 24V DC Electric current Less than 200mA @ 9V
Antenna interface	50Ω / SMA glue stick antenna or sucker antenna optional
Serial port type	RS-232 / RS-485
Serial port parameters	Baud rate: 1200 ~ 115200bps; data bits: 5 ~ 9 bits; stop bits: 1 ~ 2 bits; flow control: hard flow control, soft flow control; check bit: none, even, odd, mark, space
Mechanical properties	Size:Length × width × height = 9.4cm × 6.5cm × 2.5cm

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