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*2.6mm • Weight: 3.3g Specifications for Data transfer • 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

Specifications for GPS • Receiver type   -22 tracking /66 acquisition -channel   -GPS L1 C/A code                              • Sensitivity   -Tracking: -165 dBm   -Cold starts: -148 dBm • Time-to-First-Fix   -Cold starts: 32s(typ.)   -Hot starts: <1s   -Warm starts: 3s • Accuracy   -Horizontal position: <2.5m CEP Interfaces 68 SMT pads including:                                                                       • Analog audio interface • Serial interface • USB interface • SIM Card interfaces   -SIM Card: 3V/1.8V                                                                       • RTC backup • Keypad interface • GPIO • ADC • GSM Antenna pad • GPS Antenna pad • Bluetooth Antenna pad Certifications • CE • A-TICK