TTL GSM/GPRS modem Based on Cinterion module MC52I 900/1800MHZ ... TCP/IP stack PPP,TCP, UDP, HTTP, FTP, SMTP, POP3 TTL GSM/GPRS modem General FeaturesIndustrial designAluminum casingWireless access to internetBased ... to +70 degreesSize 85*54*25mmWeight 110gAccessories: AC/DC adaptor, TTL cable, antenna, 2 mounting plates, CD Specification for GPRS dataTransmission ...