... class 10 4.SIM Application Toolkit 5.gsm/gprs module MC52i MC52I General Features1,GSM Dual-Band ... 900, 1800 MHz2,3GPP Release 983,GPRS multi-slot class 104,Compliant to GSM phase 2 ... ,TCP/IP stack access via AT commands9,Internet Services TCP server/client, UDP, ICMP, DNS, HTTP, FTP, SMTP, ... x 33 mm13,Weight 130 g14,RoHS and EuP compliantSpecifications1,GPRS class 10 DL: max. 85.6 kbps, UL: ...