Helical Antenna Module HM-D20

  • RTK Positioning: Helical Antenna Module, Built-in GNSS module, supports RTK differential positioning
  • Integrated Design: Built-in GNSS module and antenna, ready for use without an external antenna.
  • RTK Horizontal Accuracy: 0.01 m + 1 ppm CEP· Multi-channel Communication: The GNSS chip supports up to 200 search channels· Compact & Lightweight: Weighing only 20g, easy for integration and ideal for small devices.

DIMANTIONS

Frequency band

GPS L1/L5, BeiDou B1/B2A/B2I, GLONASS G1, Galileo E1/E5, QZSS L1/L5, IRNSS L5

RTK position accuracy

H: 1cm + 1ppm, V: 1.5cm + 1ppm

Protocol

NMEA 0183 output and RTCM input at rover side

Baud Rate

115200 bps

dimensions

Φ44*37mm

PRODUCT DETAILS

Timing synchronization accuracy

20ns

L1 and L5 GNSS antenna system

At least 40db high gain

Interface

TTL level UART interface

Operating Temperature

-40 ℃ - 85 ℃

Waterproof

IP67

Integrated Design, Easy to Use

Built-in GNSS module and antenna, ready for use without an external antenna.

High Precision Positioning

Utilizes RTK technology with L1/L2/L5 frequency bands for centimeter-level accuracy, ensuring reliable positioning for drones and autonomous vehicles. Users benefit from reduced signal errors and enhanced navigation stability, ideal for surveying and mapping applications where precision is critical.

Plug-and Play Installation

RTK Module Connection Diagram,Designed for UAVs, unmanned vehicles, ships, and various positioning systems, offering flexibility across industries like agriculture, logistics, and robotics. Its adaptability meets diverse needs, ideal for enthusiasts and professionals seeking a multipurpose solution

Waterproof and Durable

Constructed with a rugged housing, resistant to moisture and harsh weather conditions. This durability extends the antenna’s lifespan and ensures reliable functionality in marine or industrial settings, never worry about environmental damage.

Why choose us

We specialize in perception and positioning modules for robots and UAVs, and are a world-leading supplier of navigation devices and solutions.

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Independent Research and Development Team

We have a professional independent R&D team, focusing on innovation of perception and positioning technology

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technical support services

Provide professional technical support for product integration and application

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Direct manufacturing from the source factory

Manufactured by the original factory, with in-house production for stable supply

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Customized products on demand

We customize products on demand and provide one-stop technical support

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Self-manufactured with steady supply guaranteed

In-house production for stable supply, supporting customized OEM/ODM needs

Applications

Robotic Dog

Education Research

Drone

Robot

storage

16GB

,

32GB

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Contact us

TEL: +8618926195421

Huangmei Road, Huangge Town, Nansha District, Guangzhou City, Guangdong Province, China 

Email:[email protected]