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PMB-688
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The Polstar PMB-688 GPS module is a powerful, high-performance GPS module that is designed for a wide range of OEM applications, from vehicular/marine navigation to tracking and more. The low power consuming and high reliability characteristics of this module make it a worthy investment for every application. By employing the SiRFstarIII chipset, users will enjoy unsurpassed positioning accuracy and performance.
The sleek, compact design of the Polstar PMB-688 module coupled with highly customizable features gives designers maximum flexibility in their design. Support for TTL and MMCX permits integration across a wide range of platforms.
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General |
Tracking up to 20 satellites L1, 1575.42 MHz, C/A code |
Accuracy |
Position: 2DRMS approximately 5m, WAAS support
Velocity: 0.1 m/s without SA imposed
Time: ±1μs
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Acquisition Time |
Cold Start: 42s (Average)
Warm Start: 38s (Average)
Hot Start: 1s (Minimum) |
Sensitivity |
Acquisition: -148dBm
Tracking: -159dBm |
Dynamics |
Max Altitude: 18000m
Max Velocity: 515m/s
Max Acceleration: ±4g
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Navigation Update Rate |
Once per second |
Serial Port |
TTL, MMCX |
Baud Rate |
4800 bps (Optional 9600,19300,38400 bps) |
Output Message |
NMEA0283 V2.2 GGA, GSV, GSA, RMC (optional VTG, GLL) |
Datum |
WGS 84 |
Power Supply |
DC 3.3~5V |
Power Consumption |
Typical 80mA @5V |
LED Indicator |
Power On/Off
Navigation |
Operating Temperature |
-40℃~+85℃ |
Storage Temperature |
-40℃~+100℃ |
Humidity |
5%~95% |
Antenna Type |
Built-in patch antenna |
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