Navisys Technology Corp.

Model Number: GR-300 Brand Name: Navisys Key Specifications/Special Features: Mechine DataDimensionWith Cap 21 x 72 x 13.4 (0.25; mm)Without Cap 21 x 65.9 x 13.4 (0.25; mm)

Weight

• With Cap 180.5 g
• Without Cap 16.40.5 g

Connector

• USB A-type
• Male Plug

Ordering Information

• GR-300X - A：GGA, GSA, RMC, VTG@1Hz, GSV@1/5Hz 4800bps, N-8-1

Applications

• USB GPS souvenir
• Navigation companion device
• GPS supplyment to tablet PC

Features

• Compact, sleek, lightweight
• Based on SiRF’s GSC3f low power single chip
• High performance: -159dBm tracking sensitivity
• Low power: 44mA at continuous tracking
• SBAS (WAAS, EGNOS, MSAS) support (optional)
• Backup battery keeps fixing data for 10 days for faster position fix after first initial fully charging.
• Green LED for GPS position fix indication
• Slim design for bringing as necklace or key chain

Technical Specifications
Receiver Performance Data

• Receiver Type
  • 20-channel,
  • L1 frequency, C/A code
  • GPS:1575.42MHz
• Horizontal Position Accuracy
  • < 2.5m (Autonomous)
  • < 2.0m (WAAS)
  • (50% 24hr static, -130dBm)
• Velocity Accuracy
  • <0.01 m/s (speed)
  • <0.01° (heading),
  • (50%@30m/s)
• Time To First Fix：Autonomous
• Hot start：<1sec
• Warm start：<35sec
• Cold start：<42sec (50% -130dBm)
• Sensitivity (Autonomous)
  • -142dBm (acquisition)
  • -159dBm (tracking)
  • (-142dBm 28dB-Hz with 4dB noise figure)
• Max. Update Rate：1Hz
• Max. Altitude：<18,000 m
• Max. Velocity：<1,852 km/hr
• Protocol Support：NMEA v3.00, 4800bps N,8,1; GGA, GSA, GSV, RMC, VTG
• Datum：WGS-84
• SBAS Support：WAAS, EGNOS, MSAS (optional)
• Dynamics：<4g

Electrical Data

• Power Supply：5 VDC
• Power Consumption：44mA/average tracking

Environmental Data
Operating temperature / Storage temperature：-20 ~ 60℃