Specifications
The SkyNav GM25 is a complete GPS engine module that features super sensitivity, ultra low power and small form factor. The GPS- The SkyNav GM25
- Ultra high sensitivity: -160dBm
Extremely fast TTFF at low signal level
Built in high gain LNA
Low power consumption: Max 35mA 3.3V
NMEA-0183 compliant protocol or custom protocol
Operating voltage: 2.85V to 3.3V
Operating temperature range: -40 to 85C
SMD type with stamp holes
Small form factor: 25x25x3.0mm
RoHS compliant (Lead-free)Performance Specification
Performance Specification
Parameter | Specification | |
Receiver Type | L1 frequency band, C/A code, 20-channels | |
Sensitivity | Tracking Acquisition | -160dBm -144dBm |
Accuracy
| Position Velocity Timing (PPS) | 3m CEP without SA 0.1m/s without SA 60ns RMS |
Acquisition Time | Cold Start Warm Start Hot Start Re-Acquisition | 36s 30s 2s <1s |
Power Consumption | Tracking Acquisition Sleep/Standby | 35mA @3V Vcc 35mA TBD |
Navigation Data Update Rate | 1Hz |
|
Operational Limits | Altitude Velocity Acceleration | Max 18,000m Max 515m/s Less than 4g |
Applications
LBS (Location Based Service)
PND (Portable Navigation Device)
Vehicle navigation system
Mobile phone
....
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