The Leadtek LR9805-T GPS Module is a high-performance GPS module that provides accurate and reliable positioning information. It supports both GPS and GLONASS wireless bands, ensuring compatibility with a wide range of satellite systems. The module is designed to meet the requirements of various network standards, including GSM/GPRS, CDMA, WCDMA, and LTE, enabling seamless integration with different wireless networks.
The LR9805-T GPS module offers several key features that enhance its functionality and usability. Firstly, it supports Assisted GPS (A-GPS), which significantly reduces the time required for acquiring satellite signals and improves the overall positioning performance. Secondly, it features a highly sensitive receiver that ensures reliable positioning even in challenging environments with weak satellite signals. The module also supports dead reckoning, allowing for continuous positioning even when satellite signals are temporarily lost, such as in tunnels or urban canyons.
In addition, the LR9805-T GPS module offers low power consumption, making it suitable for power-constrained applications. It also provides a compact and easy-to-integrate design, enabling seamless integration into various devices and systems. Overall, the Leadtek LR9805-T GPS module is a versatile and reliable solution for accurate positioning and navigation applications.
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Performance features
- 12 channel, L1 (1575.42 MHz) C/A
code, autonomous GPS receiver
- Acquisition time Hot start / Warm start / Cold start
8 / 38 / 45 seconds typical TTFF
- Reacquisition time: 0.1 seconds average
- Position Accuracy: 10 meters, 2D RMS
- Altitude: <+/35 m vertical in term of 95%
- Velocity: 0.1 m/s
- Time: 1 us synchronized to GPS time
- DGPS (Optional) <5m (50%)
- Acquisition Sensitivity Hot / Warm / Cold
23 / 28 / 32 dB-Hz
- Tracking sensitivity: -154dBm
- Velocity: 515 m/s (1,000 knots) Max
- Acceleration: 4g Max
- Altitude: 18,000 m (60,000 ft) Max
- Jerk: 20 m/s
Electrical characteristics
- Main power input: 3.3±5%V DC input
- Power consumption: 65 mA @ 3.3V = 215 mW
- Backup Power: 1.8±10%V DC input
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Physical characteristics
- Dimensions: 0.94 in (L) x 0.79 in (W) x 0.11 in (H)
24 mm (L) x 20 mm (W) x 2.8 mm (H)
- Weight: 2.5 g
Environmental
- Operating Temperature: -40 °C to +85 °C
- Storage Temperature: -55 °C to +100 °C
- Relative Humidity: 5% to 95%, non-condensing
Interfaces
- Interface Connectors I/O:
28 Pin SMD micro package
- Input/Output Protocol: NMEA/SiRF Binary
- Baud Rate: 4800 bps default (user configurable
from 4,800 to 38,400 bps)
- Update Rate: Programmable update rate (1 Hertz
default)
- Datum: WGS 84 default (User configurable)
- Protocol Message: GGA(1sec), GSA(5sec),
GSV(5sec), RMC (1sec), VTG(1sec)
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