General features: • Two frequency 900/1800MHz • GPRS multi-slot class 12/10 • GPRS mobile station class B • Compliant to GSM phase 2/2+– Class 4 (2 W @ 850/900MHz)– Class 1 (1 W @ 1800/1900MHz) •Dimensions: 24*24*3mm • Weight: 3.1g • Control via AT commands(GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands) • Supply voltage range 3.4 ~ 4.4V • Low power consumption • Operation temperature:-40¿¿¿ ~85¿¿¿ Specifications for GPRS Data • GPRS class 12: max. 85.6 kbps (downlink/uplink) • PBCCH support • Coding schemes CS 1, 2, 3, 4 • PPP-sta • CSD up to 14.4 kbps • USSD Specifications for SMS via GSM/GPRS: • Point to point MO and MT • SMS cell broadcast • Text and PDU mode Software features: • 0710 MUX protocol • Embedded TCP/UDP protocol • FTP/HTTP • MMS • POP3/SMTP • DTMF • Jamming Detection • Audio Record • SSL • Bluetooth 3.0 (optional) Compatibility: • AT cellular command interface | Interfaces: • 68 SMT pads including • Analog audio interface • RTC • Serial interface • USB interface • Interface to external SIM 3V/1.8V • PWM • I2C • GPIO • ADC • GSM Antenna pad • Bluetooth Antenna pad Specification for Audio: • Tricodec-Half Rate (HR)-Full rate (EFR)-Enhanced Full Rate (EFR) • AMR-Half Rate (HR)-Full rate (FR) • Support echo suppression algorithms |