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Product Features
The Mg-550 provides a host of features that make it easy for integration and use
1) Fast acquisition: 20 parallel satellites acquisition
2) Advanced GPS chip: SiRF Star III
3) Fast TTFF: 200,000 effective correlators for fast TTFF at low signal levels
4) Built-in WAAS/EGNOS (Optional model for WAAS/EGNOS covered area) for accurate positioning result.
5) Quick Host start: Built-in rechargeable Lithium battery for backup ephemeris for quick hot start.
6) Support MNEA 0183V2.2 data protocol.
7) User initialization is not required.
8) A rechargeable battery sustains internal clock and memory.
9) Built-in Magnets for using on top of the car.
10) Water proof (1 meter) design for all weather.
11) Optional communication levels, RS-232 and TTL meet ordinary application and new fashions of connecting PDA with TTL or RS-232 output.
3 .SPECIFICATIONS
Key future
Frequency L1, 1575.42 MHz
C/A Code 1.023 MHz chip rate
Channels 20
Sensitivity Acquisition: -144~ -149 dBm Tracking: -155~ -160dBm
SiRF star III LP chip
Physical Dimension
1. Size: 57.5(W) x43(D) x 16(H) (mm)
2. Weight: 40g
Environmental Characteristics
1) Operating temperature: -40oC to +85oC(internal temperature).
2) Storage temperature: -45oC to +100oC.
Electrical Characteristics
1) Input voltage: +3.3 ~ 5.5 VDC without accessories.
2) Backup power: 3V Rechargeable Lithium cell battery, up to 230 hours (9.6 days) discharge.
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