GM-77Q provides customer high position, velocity and time accuracy performances as well as high sensitivity and tracking capabilities. Customers benefit from the strength of both companies.
Thanks to the low power consumption technology, the G-Mouse receiver is ideal for many portable applications such as PDA, Tablet PC, smart phone etc.
Features
- 44-channels GPS search engine
- Cold/Warm/Hot Start: 30sec/28sec/1sec
- Superior sensitivity: -159 dBm for Superior urban canyon.
- Support A-GPS function.
- Reacquisition time: 0.1 sec.
- Low power consumption.(55mA)
- Support of SBAS(WAAS / EGNOS) satellites for navigation
- Compact Size, Easy integration into hand-held device.
- Built-in low noise, high gain active antenna
- Apply to host devices with USB or PS2
Applications
- Automotive
- Personal/Portable Navigation (PDA)
- Geographic Surveying
- Sports and Recreation
Specifications
| GPS Features |
Datum |
| Chipset |
Skytraq low power chipset |
WGS-84 |
| Frequency |
L1, 1575.42MHz |
|
| C/A Code |
1.023MHz chip rate |
Dynamic Conditions |
| Channels |
Supports 44 channels |
Altitude |
<18,000 m (60,000feet) |
| Antenna |
Built-in 25x25x4mm patch antenna |
Velocity |
<515 m/s (1000 knots) |
| |
Acceleration |
<4G |
| Sensitivity |
Motional Jerk |
20m/sec3 max. |
| To - 159dBm Tracking, |
|
| Superior Urban Canyon Performance |
Interface |
| |
GPS Protocol: NMEA-0183 - GGA, GSA, GSV, RMC, VTG(Default) |
| Time to First Fix (TTFF) |
Skytraq Binary |
| Cold Start |
30 sec, average |
Data bit: 8, stop bit: 1 (Default) |
| Warm Start |
28 sec, average |
Baud Rate : 9600 (Default) |
| Hot Start |
1 sec, average |
Device Size and Weight |
| Reacquisition |
0.1 sec |
26.0x26.0x6.5(mm) |
| Update rate |
1 Hz (std.) |
|
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| |
|
Environmental Characteristics |
| Accuracy |
Operating Temperature |
- 10°C to + 60°C |
| Position |
5m CEP without SA, 10m 2D, RMS |
Storage Temperature |
- 20°C to + 85°C |
| Velocity |
0.1m/sec, without SA |
|
|
| Time |
1μs synchronized to GPS time |
Power |
| |
|
Operation Current |
55mA (Average) |
| |
|
Power Input |
3.3V ±5% VDC input |
All specifications are subject to change without notice
Hardware Interface
The GM-77Q includes an antenna in a unique style waterproof gadget. We can manufacture five kinds of connector cable to suit your demands.
GM-77Q Standard PIN OUT
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