特征

General features • Quad-Band: 850/900/1800/1900MHz                                                          • GPRS multi-slot class 12/10 • GPRS mobile station class B • Compliant to GSM phase 2/2+   -Class 4 ( 2W @ 850/900MHz)   -Class 1 ( 1W @ 1800/1900MHz) • Control Via AT Commands(3GPP TS 27.007, 27.005    and SIMCOM enhanced AT Commands) • Supply voltage range: 3.4V~4.4V • Low power consumption • Operation temperature: -40℃~ +85℃ • Dimension: 24*24*3mm • Weight: 3.1g Specifications for GPRS Data • GPRS class 12: max. 85.6Kbps(downlink/uplink) • PBCCH support • Coding schemes CS 1, 2, 3, 4 • PPP-stack • 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)

Specifications for Voice • Tricodec   -Half rate(HR)   -Full rate(FR)   -Enhanced Full rate(EFR) • AMR   -Half rate(HR)   -Full rate(FR) • Hands-free operation(Echo suppression) Interfaces 68 SMT pins including: • Analog audio interface • RTC backup • Serial interface • USB interface • Interface to external SIM 3V/1.8V                                                              • GPIO • ADC • PWM • I2C • GSM Antenna pad • Bluetooth Antenna pad Compatibility • AT cellular command interface Certifications • CE • GCF • ROHS • FEACH