Controllers GSM/GPRS/GPS Shield B for Europe Wewoo Highlights GSM/GPRS/GPS Shield B for Europe GSM/GPRS/GPS Shield (B) (for Europe) Overview Shielding GSM/GPRS/GPS (B) is an Arduino shield based on the GSM/GPRS/GPS SIM808 quad-band module. Features 1. Arduino connectivity, compatible with UNO, Leonardo, NUCLEO, XNUCLEO 2. Built-in CP2102 USB to UART converter for UART debugging 3. 5 x LEDs to indicate module working status 4. Built-in voltage level converter, support both 3.3V and 5V systems 5. SIM card slot for 1.8V/3V SIM card 6. Auto baud detection (1200bps~115200bps) 7. Bluetooth 3.0, support data transfer via Bluetooth 8. RTC with power interface 9. Firmware upgradeable via USB 10. Control via AT commands (3GPP TS 27.007,27.005 and SIMCOM enhanced AT commands) 11. SIM Application Toolkit support: GSM 11.14 Release 99 12. Working voltage: 6~12V 13. Working temperature: -40 degree C ~ +85 degree C 14. Storage temperature: -45 degree C ~ +90 degree C GSM / GPRS 1. Band - GSM 850 / EGSM 900 / DCS 1800 / PCS 1900 MHz - Quad band automatic search - Complies with GSM phase 2/2 + 2. Transmit power - Class 4 (2W @ GSM 850 / EGSM 900 MHz) - Class 1 (1W @ DCS 1800 / PCS 1900 MHz) 3. GPRS connectivity - Class 12 multi-slot GPRS (default) - GPRS multi-slot class 1~12 (configurable) 4. GPRS data function - downlink speed: max 85.6 kbps - Uplink speed: max 85.6kbps - Coding schemes: CS-1 CS-2 CS-3 CS-4 - Support PAP (Password Authentication Protocol) for PPP connection - Built-in TCP/IP protocol - Support PBCCH - Support CSD baud rate: 2.4 / 4.8 / 9.6 / 14.4 kbps - Support USSD 5. SMS - Support: MT / MO / CB / Text / PDU mode - SMS storage: SIM card 6. audio - Voice encoding/decoding mode: half rate full rate full rate enhanced adaptive rate - Support echo cancellation - Support GPS noise reduction 1. Recipient type - 22 channels - 66 channels of acquisition - GPS L1 C/A code 2. sensitivity - tracking: -165 dBm - cold starts: -148 dBm 3. Time to first fix - Cold start: 30s (typ.) - hot starts: