Ublox NEO-7m GPS Module HW-542B

HW-542B is a GPS receiver board built around the Ublox NEO-7M chipset. It provides highly accurate, low-power GPS positioning using the u‑blox 7 series GNSS engine.

450.00 EGP

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Availability: In Stock
SKU:3496300114498
Ublox NEO-7m GPS Module HW-542

The Ublox HW-542 NEO-7M GPS Module is a high-performance GPS receiver module engineered for precise positioning and navigation applications. Built around the Ublox NEO-7M chip, this module delivers exceptional sensitivity and accuracy, making it an excellent choice for drones, robotics, vehicle tracking systems, and other smart electronics projects. It features an external SMA connector for attaching a GPS antenna, ensuring robust signal reception in challenging environments. The module communicates primarily through a UART serial interface and supports both 3.3V and 5V power supplies, enabling seamless integration with microcontrollers such as Arduino and Raspberry Pi.

Features:
  • GNSS Support Supports GPS, GLONASS, QZSS, and SBAS (WAAS, EGNOS, MSAS) for enhanced positioning accuracy.
  • Position Update Rate Up to 10 Hz for real-time tracking.
  • Time to First Fix Cold start: 30 seconds; Hot start: 1 second.
  • Position Accuracy 2.5 meters (autonomous), 2.0 meters (with SBAS).
  • Sensitivity Tracking and navigation: -161 dBm; Cold start: -147 dBm.
  • Interfaces UART.
  • Power Supply Compatible with 3.3V to 5V systems, likely via an onboard voltage regulator.
  • Backup Battery Rechargeable battery for faster startups and maintaining settings.
  • EEPROM Stores configuration settings for persistent operation.
  • Antenna SMA connector for optimal signal strength.
  • Operating Temperature -40°C to 85°C, suitable for diverse environments.
  • Timing Output Pulse Per Second (PPS) signal for precise time synchronization.
Specifications:

Specification

Value

Receiver Type

56 channels, GPS L1C/A, GLONASS L1OF, SBAS L1C/A, QZSS L1C/A

Horizontal Position Accuracy

2.5 m (autonomous), 2.0 m (SBAS)

Velocity Accuracy

0.1 m/s

Heading Accuracy

0.5 degrees

Time to First Fix

Cold start: 30 s, Hot start: 1 s

Update Rate

Up to 10 Hz

Supply Voltage

3.3V to 5V

Current Consumption

~45 mA (tracking, typical)

Interface

UART (TXD, RXD)

Antenna

SMA connector

Dimensions

Approximately 32.5x 17.5 mm (board size, estimated)

Pin Configuration:

Pin

Function

Description

1

VCC

Power supply (3.3V to 5V)

2

GND

Ground

3

TXD

UART transmit (3.3V logic)

4

RXD

UART receive (3.3V logic)

5

PPS

Pulse Per Second output for timing

Applications:
  • Navigation Devices.
  • Drones/UAVs and robotics.
Package Includes:
  • 1 x Ublox NEO-7M GPS Module HW-542B.
Data Sheet:

Ublox NEO-7M

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