LEA-5A: GPS receiver module with antenna supply Print Print E-mail page E-mail page

u-blox 5 ROM-based GPS receiver module

LEA-5A GPS Module
The LEA-5A is a stand-alone, compact GPS receiver module designed to allow easy, straightforward migration from its LEA-4S and LEA-4A predecessors. It provides lower cost than LEA-5S and the built-in antenna supervisor supports external, active antennas, such as u-blox' ANN high performance GPS antenna.

The LEA-5A features u-blox' SuperSense® Indoor GPS technology that offers unmatched tracking performance in harsh signal environments such as parking lots and dense urban environments. The module's architecture further ensures costs are kept at a minimum by using a crystal instead of a TCXO and replacing a costly Flash EPROM by an internal read-only memory (ROM) in the GPS baseband chip.

Highlights

  • Easy migration from LEA-4S and LEA-4A modules
  • Use ROM and crytal (instead of a TCXO) to keep cost at a minimum
  • Operating voltage: 2.7 - 3.6 V
  • Eco power mode for optimal power consumption (default configuration)
  • Antenna supervisor and supply
  • Antenna short and open circuit detection and protection for external antennas
  • 4 Hz position update rate
  • 1 UART, 1 USB and 1 DDC (I2C compliant) interface
  • 22.4 x 17 x 3 mm

u-blox 5 Features

  • 50-channel u-blox 5 engine with over 1 million effective correlators
  • Under 1 second Time-To-First-Fix for Hot and Aided Starts
  • SuperSense® Indoor GPS: -160 dBm tracking sensitivity
  • Supports AssistNow Online and AssistNow Offline A-GPS services; OMA SUPL compliant
  • Supports SBAS (WAAS, EGNOS, MSAS, GAGAN)
  • Operating temperature range: -40 to 85°C
  • RoHS compliant (lead-free)
  • 22.4 x 17 x 3 mm

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