Ublox NEO-7M GPS Module

Ublox NEO-7M GPS Module

Specifications:

• Module Type: GNSS (Global Navigation Satellite System) receiver
• Model: u-blox NEO-7M
• Receiver Type:
  • GPS: L1 frequency, C/A code
  • SBAS (WAAS, EGNOS, MSAS)
• Number of Channels: 56 channels
• Sensitivity:
  • Tracking: –161 dBm
  • Cold Start: –148 dBm
  • Hot Start: –156 dBm
• Time-To-First-Fix (TTFF):
  • Cold Start: < 27 s
  • Warm Start: < 1 s
  • Hot Start: < 1 s
• Position Accuracy:
  • Standalone: < 2.5 m CEP
  • SBAS Enabled: < 2.0 m CEP
• Update Rate: Up to 10 Hz

Electrical Specifications:

• Supply Voltage: 2.7 V to 3.6 V DC
• Power Consumption:
  • Tracking Mode: ~40 mA
  • Power Save Mode: ~9 mA
• Backup Power Supply: 1.4 V to 3.6 V (for RTC and fast start)

Antenna:

• Antenna Support: Active and passive antennas
• Supply Voltage for Active Antenna: 3.0 V to 5.5 V
• Antenna Detection: Short circuit and open circuit detection
• Antenna Gain: Supports up to 50 dB

Interface Specifications:

• Communication Protocols:
  • NMEA (National Marine Electronics Association)
  • UBX (u-blox binary protocol)
• Interface Options:
  • UART (Universal Asynchronous Receiver-Transmitter)
  • SPI (Serial Peripheral Interface)
  • I2C (Inter-Integrated Circuit)
  • USB (optional on specific models)
• Baud Rate: Configurable, default 9600 bps

Environmental Specifications:

• Operating Temperature: –40 °C to +85 °C
• Storage Temperature: –40 °C to +85 °C
• Humidity: 5% to 95% non-condensing
• Vibration and Shock Resistance: Compliant with ISO 16750-3

Features:

• Assistance Services:
  • AGPS (Assisted GPS) via u-blox AssistNow
• Dynamic Model Selection:
  • Configurable for pedestrian, automotive, and airborne applications
• Geofencing Support: Up to 4 configurable circular zones
• Low Power Modes:
  • Power Save Mode (PSM)
  • Adaptive Power Management
• Time Pulse Output: 0.25 Hz to 10 MHz for precise timing applications
• Data Logging: Internal storage capability for logging GNSS data
• Anti-Jamming: Active RF interference mitigation
• Support for Dead Reckoning (Optional): With external sensors

Mechanical Specifications:

• Dimensions: 16 x 12.2 x 2.4 mm (module only)
• Weight: ~2 g
• Form Factor: Surface mount (compatible with solder pads)
• Connector: Typically requires an external connection for antenna and interface

Applications:

• Vehicle navigation
• Fleet management
• Timing and synchronization
• UAVs and drones
• Handheld GPS devices
• Geofencing and asset tracking

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