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G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH
G27SH-AH G27SH-AH

G27SH-AH

RTK Smart Antenna

The G27SH-AH is a multi-frequency, multi-constellation positioning and orientation Smart Antenna. It delivers low latency and predictable delay, which is vital for stable, precise control systems. Supporting all current and future GNSS signal formats, it ensures compatibility with mainstream open-source autopilots. The module is ideal for high-precision applications, including UAVs, autonomous robots, precision control, and driverless technology.

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Product Features

  • Utilises high-performance chip

  • Full-view satellite tracking, multi-constellation and multi-frequency

  • 789 hardware channels enabling simultaneous operation

  • Navigation update rate up to 20Hz

  • Ultra-low latency below 10 milliseconds

  • Supports GPS, GLONASS, BDS, Galileo, QZSS, Navic, and SBAS satellites

  • Integrated TF card slot accommodating up to 32GB

  • Supports standard NMEA 0183, SBF, RINEX, RTCM, CMR/CMR+ protocols

  • AIM+ features advanced interference and spoofing detection with automatic mitigation

  • LOCK+ delivers robust tracking resilience against mechanical shock and vibration

  • IONO+ incorporates advanced ionospheric interference protection

  • APME+ mitigates multipath effects by separating direct signals from reflections off nearby structures

  • Provides complete raw measurement data

  • Features interference indicators, mitigation capabilities, and spectrum measurement functions

  • Supports ultra-short baseline heading output

  • Standard IP67 waterproof and dustproof design

  • Overpressure explosion-proof design

Performance

ParametersDescription
Receivable SatellitesGPS: L1C/A, L1C, L2C, L2P(Y), L5
BDS: B1I, B1C, B2a, B2I, B2b, B3I
GLONASS: L1CA, L2CA, L2P, L3 CDMA
Galileo: E1, E5a, E5b, E6
QZSS: L1C/A, L1C/B, L2C, L5
Tracking Performance (C/N0 threshold)Tracking and Navigation Sensitivity: 20 dB-Hz
Acquisition Sensitivity: 30 dB-Hz
Time To First FixCold Start: <35s
Warm Start: <10s
Reacquisition: 1s
RTK StatusHorizontal Accuracy: 0.6cm + 0.5ppm
Vertical Accuracy: 1cm + 1ppm
Initialization Time: 7s
Other Positioning StatusHorizontal
Heading AccuracyHeading
Timing AccuracyxPPS: 1.4ns
Event accuracy: <3ns
Latency99.9% <10ms
Velocity0.03m/s
Baud Rate4800–4M bps (default 115200 bps)
Maximum Data Update Rate20 Hz


Pin Parameters

Pin Parameters
No.Wire ColorNameInput/OutputDescription
Connector: GX12 Aviation Plug (7-pin)
1RedVCCInputGNSS Power Supply 3.5-12.0V, typical 5V
2BlackGND-Ground
3YellowTX2OutputPort 2 GNSS Transmit Data
4WhiteRX2InputPort 2 GNSS Receive Data
5GreenTX1OutputPort 1 GNSS Transmit Data
6BlueRX1InputPort 1 GNSS Receive Data
7OrangePPSInputPulse Per Second signal

TNC-KY-1.5 RF Female Connector: Enables positioning and directional control via external antenna.


Product Application

  • Drone applications

  • Geological hazard monitoring

  • Intelligent logistics dispatch

  • Heading output

  • Intelligent robotics

  • Vehicle-mounted equipment applications

  • Geodetic surveying

  • In-vehicle navigation

  • Precision agriculture and positioning services

  • Precision control 


Agreement Explanation

ProtocolType
NMEA 0183 v2.3,v3.03,v4.0Input/output, ASCII
Septentrio Binary Format (SBF)Input/output
RTCM v3.x (includes MSM)Input