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TQ-NC305   RTK GNSS Positioning & Heading Receiver

Industrial dual‑antenna RTK heading GNSS receivers with 20 Hz update rate, built‑in 4G & IP65 protection

TQ‑NC305 receiver is a new‑generation satellite positioning and heading receiver developed based on self‑developed high‑precision GNSS chip. It supports multi‑system full‑frequency‑band signals and realizes 20 Hz RTK positioning and dual‑antenna heading calculation. Equipped with built‑in 4G module, embedded Ntrip protocol and cloud‑chip integrated SDK, it supports standalone RTK, remote OTA and remote control. Featuring ultra‑compact size and high integration, it targets various high‑precision positioning & heading scenarios for unmanned vehicles, small‑size AGVs, UAVs, USVs, intelligent driving and precision agriculture.


TQ-NC305 RTK Heading GNSS Receivers

TQ-NC305 RTK Heading GNSS Receiver

Key Features:

  • Adopt self-developed multi-system full-band GNSS chip
  • Support multi-constellation & multi-frequency signals with configurable frequency combinations: BDS B1I,B3I,B2a; GPS L1C/A,L2P(Y)/L2C,L5; GLONASS G1,G2; Galileo E1,E5a,E5b; QZSS L1C/B,L2C,L5; SBAS L1C/A
  • Real-time 20 Hz RTK positioning plus dual-antenna heading solution
  • IP65 protection rating, 1.2 m drop resistance
  • Rich interfaces: RS232 serial port and 4G for data communication
  • Built-in 4G, Ntrip protocol and cloud-chip integrated SDK for one-click RTK;  support remote OTA and remote control

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Overview

Specifications

Category Item Parameter
Satellite Signal Primary Antenna Supported Signals BDS B1I, B3I, B2a
GPS L1C/A, L2P(Y)/L2C, L5
GLONASS G1, G2
Galileo E1, E5a, E5b
QZSS L1C/B, L2C, L5
SBAS L1C/A
Number of Channels 1408
Positioning Accuracy (RMS) Single‑point Positioning Horizontal: 1.2 m
Vertical: 2.5 m
DGPS Positioning Horizontal: 40 cm
Vertical: 80 cm
RTK Positioning Horizontal: 0.8 cm + 1 ppm
Vertical: 1.5 cm + 1 ppm
Heading, Timing & Velocity Heading Accuracy (RMS) 0.1° for 1 m baseline
Time Accuracy (RMS) 20 ns
Velocity Accuracy 0.03 m/s
Position Update Rate 20 Hz
Heading Update Rate 20 Hz
Cold Start Time < 30 s
Position Output Protocols NMEA‑0183, Unicore
Differential Data Protocol RTCM V3.X
Electrical Characteristics Supply Voltage 9‑36 VDC
Power Consumption < 3.5 W
Physical Characteristics Dimension 110 × 65 × 30 mm (excluding connectors)
Weight 220g

Applications


  • Unmanned Aerial Vehicle (UAV)
  • Unmanned Surface Vehicle (USV)
  • Cleaning Robot
  • Autonomous Logistics Vehicle
  • Small‑size AGV
  • Intelligent Driving
  • Precision Agriculture

Applications-TQ-NC305 RTK Heading GNSS Receiver