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: 17.6*15.7*2.3mm • Weight: 1.3g 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

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 77 SMT pads including: • SIM Card Interfaces(Dual Standby)   -SIM card 1: 3V/1.8V   -SIM card 2: 3V/1.8V • Analog audio interface • RTC backup • I2C interface • Serial interface • USB interface • PCM • SD                                                        • GPIO • ADC • GSM Antenna pad Compatibility • AT cellular command interface                                 Certifications • CE • ROHS • FEACH