Please note that the GPS model pictured has been discontinued. The unit you receive will be functionally equivalent but may differ slightly in technical specifications from those shown below.
The ADS-GM1 is a high-sensitivity GPS receiver based on the SiRFstar III chipset. It has a 2-meter long cable terminated in a female DB9 connector that allows direct connection to an OpenTracker+, Tracker2, or any other device that provides regulated 5-volt power on pin 4.
- SiRFstar III high-sensitivity chipset
- Waterproof housing (IPX7 rating)
- Built-in low noise, high gain antenna
- Magnetic base
- LED clearly indicates positioning status
- No configuration required
- 20 channel all-in-view tracking
Sensitivity: -159 dBm typical
Accuracy: < 10 meters 2D RMS, < 7 meters WAAS corrected, time to 1 microsecond
Datum: WGS84
Acquisition Rate: 1 sec hot start, 42 sec cold start
Dynamic Limits: < 18,000 meters, < 1000 knots, < 4G acceleration
Power Supply: 5 VDC +/- 5%, 80 mA max, 55 mA typical
Interface: NMEA-0183 at 4800 baud, optional SiRF binary
NMEA Messages: GGA, GSA, GSV, RMC, and optionally VTG, GLL, and ZDA
Weight: 85 grams
LED flashes red to indicate valid GPS fix. Made in Taiwan.
| Pin | Function |
|---|
| 2 | RS-232 data out (+/- 6v) |
| 3 | RS-232 data in |
| 4 | Power in |
| 5 | Ground |
| - | TTL data out (0-3v) |
| - | TTL data in |
