... mainly supplies wireless interface for phonetic transmission, SMS and data information, it integrated whole RF circuit and CDMA ... public phone, PDA, wireless modem, monitor, control centre, remote control, long-range measurement, GPS receiver system application etc. ... RTT (Qualcomm MSM6050) *Standard RS-232C Interface *DATA transmission up to 153Kbps *Remote control by AT commands *Built-in TCP/IP ...