NANO Helix RTK receiver

Overview

NANO Helix RTK receiver is a high performance dual-band RTK receiver with compass, which is based on CYNOSURE series chipset. It supports BDS-3 signals, along with global civil navigation systems, including GPS, BDS, GLONASS, Galileo, QZSS, and SBAS.

NANO Helix RTK receiver support compass. NANO Helix RTK receiver is designed for UAV, RTK, and other applications.

NANO Helix RTK receiver

Features

  • Supports GPS, BDS, GLONASS, Galileo, QZSS, and SBAS
  • Integrated Real Time Kinematics (RTK)
  • State-of-the-art low power consumption design
  • Supports dual-band L1+L5 or L1+L2
  • Supports compass IST8310
  • Lightweight and compact size

Specifications

Parameter Specifications
Constellations BDS, GPS, QZSS, GLONASS, Galileo, NavIC, SBAS
Update rates 10Hz
Channels 128 hardware channels
Position accuracy GNSS: 1.0m CEP
SBAS: <1.0m CEP
RTK:
1.0 cm + 1 ppm (H)
2.0 cm + 1 ppm (V)
Velocity & Time accuracy GNSS: 0.05 m/s CEP
1PPS: 20ns RMS
TTFF Hot start: 1s
Cold start: 27s
RTK1 Convergence time <10s
Reliability >99.9%
Sensitivity Cold start: -148 dBm
Hot start: -155 dBm
Reacquisition: -158 dBm
Tracking & navigation: -165 dBm
Protocol NMEA-0183
RTCM 3.X, raw measurements
Baudrate 230400 bps, by default
Compass IST8310
Operating condition Main supply 1.75V to 3.63V
Digital I/O supply 1.75V to 3.63V
Backup supply 1.62V to 3.63V
Power consumption Tracking GNSS 30 mA @ 3.3V
Tracking Single system 18 mA @ 3.3V
Standby Data backup 16 uA
Standby RTC 1.4 uA
Serial interface UART x 2
6P and 4P connector
Operating limit Velocity 515 m/s
Altitude 18,000m
Environmental conditions Operating temp. -40°C to +85°C
Storage temp. -40°C to +90°C
Humidity 95% RH
Weight 5g (without antenna)
Size 35x30mm

Pinout

Standard JST-GH 1.25 6P / 4P connector.

NANO Helix RTK receiver pinout

  • 6P connector: 5V Rx Tx SCL SDA GND
  • 4P connector: 5V Tx Rx GND

Application

Ardupilot setup

NANO Helix RTK Receiver support to use on autopilot. For example,NANO is connected to the autopilot’s SERIAL4 port, it should work with :

Ordering Information

P/N Description
NANO-HRTK-00 NANO receiver, L1+L5, Helix antenna
NANO-HRTK-01 NANO receiver, L1+L5

Package List

  • NANO Helix RTK receiver
  • Helix antenna (optional)
  • JST-GH 1.25 6P connector

Resources

  1. test with the professional antenna with good LNA gain