OGO SIM548
the SIM548 makes it easy to integrate GSM/GPRS & GPS as an all-in-one solution. The combination of both technologies can fit almost all the space requirement in your application, such as PDA phone, GPS hand-held device and other mobile device, it allows vehicles and people to be tracked seamlessly at any location and anytime.GENERAL FEATURES
: ☞ Quad-Band GSM/GPRS 850/900/1800/1900MHz ☞ GPRS multi-slot class 10/8 ☞ 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
● GSM 07.07, 07.05
● SIMCOM enhanced AT Commands ☞ SIM application toolkit ☞ Supply voltage range 3.4 ~ 4.5 V ☞ Low power consumption ☞ Interface to external SIM 3V 1.8V ☞ 80 pins DIP Board-to-board connector ☞ Dual analog audio interface ☞ Keyboard interface ☞ LCD interface ☞ Charge interface ☞ RTC backup ☞ AT commands via GSM/GPRS serial interface ☞ A serical interface and a debug interface for GSM/GPRS ☞ Dual - Serial interfaces for GPS ☞ Two separate Antenna connectors for GSM/GPRS & GPS and an antenna pad for GSM/GPRS Specifications: Specifications for Voice: ☞ Tricodec
● Half Rate (HR)
● Full Rate (FR)
● Enhanced Full Rate (EFR) ☞ Echo suppression ☞ Hands-free operation ☞ Receiver 20 channels, L1 1575.42MHz, C/A code 1.023MHz chip rate ☞ Accuracy Posi...