... 900/1800/1900MHz 3G modem. Designed with industrial grade, supports SMS, CSD, RS232, AT Commands, with the function of ... It has been used for sending SMS, alarm system, data transmission, etc .Detailed information A. Wireless Specification1. UMTS/WCDMA/HSDPA/HSUPA ... supply: DC 12V/0.5APower range: DC 5~26V3. Wireless moduleHigh-powered industrial WCDMA/HSDPA/HSUPA module4. SizeDimension(not includng ...