... the number of industrial mobile module into aChassis,powersupply to achieve a unitied , uniform date cabling, unified externalcommunications ... send and receive text messagees,Generally have serial ports, USB ports and RS232 port and other interfaces. The benefits ofusing ... )Accessories:AC/DC adapter,RS-232/USB cable,Antenna and mounting CDAttentionPls choose the right Frequency(Dual-band 900/1800mhz ...