... Style:External Type:Wireless Interface Type:TTL Transmission Rate:115200bps Detailed Product Description 1.TTL MC52I GSM/GPRS SMS modem ... 4.PPP,TCP, UDP, HTTP, FTP, SMTP, POP3 TTL GSM/GPRS modem MODEL:G-52TTLGeneral FeaturesIndustrial designAluminum casingWireless access ... +70 degreesSize 85*54*25mmWeight 110gAccessories: AC/DC adaptor, TTL cable, antenna, 2 mounting plates, CD Specification for GPRS ...