Db9 rs232 interface Rj11 for voice 1.8v-3.0v sim slot Antenna connector fme (male) Plug-in power supply Based on siemens module tc65i Special features: Character framing 7e1 and 8e1 at Serial interface Programmable module reset Frequency: Gsm 850/900/1800/1900 Output power Class 4: 2w @ 850/900 Class 1: 1w @ 1800/1900 Specification for gprs data transmission: Gprs class 12: Mobile station: class b Pbcch support Coding schemes: cs 1-4 Specification for csd data transmission: Up to 14.4 kbit/s V.110 Non-transparent mode Ussd support Sim access profile integrated With tcp/ip stack, ppp, udp Internet services: http, ftp, smtp, pop3 Control via at commands Sim application toolkit Specification for sms Point-to-point mo and mt Sms cell broadcast Text and pdu mode Specification for fax: Group 3, class 1, 2 Java™ features: Cldc 1.1 hl J2me™ profile imp-ng Secure data transmission with https Ssl and pki Supply voltage range: 9v-30 v Temperature range Input current:1a-2a Standby current: 56ma Working current: 100-140ma Working temperature -30 to+65 degrees Storage temperature: -40 to+75 degrees Size: 65x74x33mm Weight: 95g