V2X System Module: Communication Transmission Distance Field Test Analysis

According to field test results, the Unex V2X SOM system module delivers a communication range of 150–300 meters in typical urban traffic environments. This range is sufficient to support key V2X applications such as intersection collision warnings and traffic signal information, ensuring safer and smarter transportation.

The Unex V2X SOM module has been tested and verified under both IEEE 802.11p and C-V2X standards. It demonstrates outstanding performance across key technical metrics, including RF stability, signal interference resistance, and packet delivery efficiency. This makes it an ideal solution for intelligent transportation systems (ITS) and connected vehicle (V2X) applications.

Product development strictly adheres to international standards and regulations, including:

  • IEEE 1609 multi-layer communication protocol architecture standards
  • 3GPP Release 14/15 C-V2X technical specifications
  • Regional spectrum allocation requirements (5.9 GHz ITS band)

Transmission Distance Field Test

Throughout the tested range, the Unex V2X SOM module maintained a high level of consistency and reliability in message transmission, meeting the strict safety communication requirements of connected vehicle (V2X) applications.

Test Environment

Performance data was systematically collected with the V2X device as the central point, evaluating the product’s performance under real-world deployment conditions.

TX side:u003c/strongu003e Using OBU, Open sky, Above the TC
RX side:u003c/strongu003e Using OBU, Open sky, Same height as passenger vehicle

Technical Specifications & Certifications

The Unex SOM-352UC (C-V2X) module has received official certification from OmniAir, fully complying with the 761-OA-TSS&TP and TP-36521 wireless communication testing standards.

The product has been tested and meets the TP-36521-Tx-BV-01 transmission performance specification and the TP-36521-Rx-BV-01 reception performance specification, ensuring stable and reliable communication in connected vehicle (V2X) applications.

For the complete technical specifications and parameters of the Unex C-V2X certified module, please refer to the following technical documents:

OmniAir C-V2X Module Certifiction
Unex SOM352 Quick Start Guide

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