D-GPS508 is a module for an application Development System GSM / GPRS / GPS that has been equipped with additional features such as open-collector output 3A, Atmel microcontroller pad and ISP Port, Onboard Power Regulator and Extra I / O port that allows users to make this module as Board Application Development Board as well as the development process is complete.

Specification:
- Frequency: Quad-band: GSM850, GSM900, DCS1800, DCS1900
- GPRS Multi slot class 10 (default)
- GPRS Multi slot class 8 (option)
- GPRS mobile station class B
- AT Command support
- GPRS data downlink transfer max 85.6 kbps
- GPRS data uplink transfer max 42.8 kbps
- SIM508 integrate TCP/IP Protocol
- Autobaudrate 1200 – 115200 bps for GSM Serial
- 3 RS232 Serial Port, GSM/GPRS Serial, GPS NMEA0183 Serial, GPS Binary Serial
- Atmel Microcontroller pad compatible AT89S51, AT89S52, AT89S8253, ATMega8515, ATMega161 atau ATMega162
- ISP Port for programming Atmel Microcontroller
- 18 General I/O Atmel Microcontroller Port
- USB Port for serial Atmel Microcontroller
- Selector Switch: Atmel Microcontroller <-> GSM Serial or Atmel Microcontroller
<-> USB Port
- GPS Power Switch and GPS Antenna Power Switch
- 3 port open collector 3A. Connected to 12 Volt Relay directly
- Onboard Power Regulator 6 – 26 Volt DC Input
- Audio fitur:
o Line In untuk microphone input
o Line out untuk speaker output
o RJ11 kompatibel Telephone Headset
- GPS and GSM External Antenna
- SIM Card Connector
- Network LED Indicator
- USB Port TX-RX LED Indicator
- Power LED Indicator
- 1 bit General function LED to Atmel Microcontroller
- Modul Status LED Indicator
- GPS_TimeArk LED Indicator
- PCB FR4/through hole
- 1 channel Analog Input
- GPS fitur:
o GPS Receiver with SiRFstar III GSC3f chip set
o AI3/F (SIRF Interface) for A-GPS
o RTCM (for DGPS)
o Autonomous < 10m
o SBAS WASS, EGNOS: < 5m
o Beacon DGPS < 3m
o Tracking: L1, C/A Code
o 20 Channel
o Update rate: 1 Hz default
o Trackng Sensitivity: - 157 +/- 2dBm
o Max Altitude : <60.000 ft (18.000 m)
o Max velocity: <1.000 knots (515 m/s)
o Protocol support: NMEA0183 & SiRF Binary
o Hotstart: <1 second, open sky
o Warmstart: <38 second, open sky
o Coldstart: <42 second, open sky

Paket contain:
- D-GPS508 Module
- SIM508 Module
- GSM External Antenna
- GPS External Antennta
- RS232 Cable
- USB Cable
- CD Software
- User Manual

USER MANUAL
D-GPS508 Manual