Bộ nhận tín hiệu vị trí GPS kết nối RS-232 ICP DAS GM-305

Thương hiệu: ICP DAS | Tình trạng: Còn hàng
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GPS Receiver with RS-232 Interface

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Bộ nhận tín hiệu vị trí GPS kết nối RS-232 ICP DAS GM-305


*** GM-305 has been phased out and has been replaced by GT-321R-RS232 ***

With a miniature form factor, the GM-305 module manifests EverMore's latest 12-channel GPS technology.

The GM-305 GPS receiver is designed for rapid startup time and high performance in foliage and urban canyon environments. GM-305 applies the latest semiconductor technology so as to provide robust performance.

GM-305 provides enhanced position & velocity filtering for smooth navigation, and onboard patch antenna & RS-232 driver for simple interfacing.

The optional Evaluation Kit makes it easy to evaluate the performance of GM-305. The kit consists of GM-305 housed in translucent case, a Window-based evaluation software, and an operation manual.


  • General: L1 (1575.42MHz), C/A code, 12-channel, Carrier-Aided with HWTrackc.

  • Sensitivity : 165 dBW minimum

  • Update Rate :1Hz

  • Accuracy:

    • Position :25m CEP S/A off

    • Velocity :0.1/sec S/A off

    • BTime : ± 1ms

  • Typical Acquisition Time:

    • Cold start: < 120sec

    • Warm start: < 40 sec

    • Hot start: < 10 sec

  • Reacquisition :100 millisecond

  • Dynamics :

    • Altitude : -1000m to + 18,000m

    • Velocity : 500m/sec

    • Acceleration : ± 4g

  • Operation Temperature : -40°C to +85°C

  • Storage Temperature : -55°C to + 100°C

  • Operating Humidity : 5% to 95%

  • Primary Power : 3.8V~8V DC, ±10%

  • Power Consumption:

    • 125mA @ 3.3V

    • 70-90mA with power saving

  • Serial Port : Standard RS-232

  • IOs : 1 PPS & TX out @TTL level

  • Protocols : Ever More binary mode@4800/9600 baud, 8N1 NMEA-0183 v2.20@4800/9600 baud, 8N1

  • Datum : 219 standard datum; WGS-84 (default)

  • NMEA Messages : GGA, GSA, GSV, RMC (standard output) GLL and VTG (optional)

  • Dimensions : 45mm x 30mm x 13mm w/o housing

  • Weight: 25g w/o housing

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