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Radiometrix has introduced the CTA88 chip application board, which permits the setting up of a straightforward one-way wireless link for remote-control tasks.

The new boards provide simple eight-channel digital input/output implementations of remote-control functions, using either the company’s multichannel LMT/LMR (UHF- and VHF-band) or single-frequency BiM (FM-band) series of wireless radio modules, which are ordered separately.

The offering consists of two CTA88-000-DIL chips, a CTA88 encoder board, a CTA88 decoder board, quarter-wavelength monopole or helical antennas, four jumpers for mode configuration, DIP switches for address and frequency channel configuration, eight opto-isolated digital inputs and eight relay outputs.

The CTA88 chip at the heart of each board is an 8-bit address encoder/decoder for use with licence-exempt ISM-/SRD-band radio modules.

The transmitter and receiver application boards are designed to facilitate the evaluation of the CTA88 device’s performance and functionality in elementary jobs.

The boards feature compact 115 x 86 x 20mm dimensions and their operating temperature ranges from -20C to +70C.

Pioneers of Low Power Radio – Since 1985

Based in the UK, Radiometrix is recognised as the leading global developer of ISM Band/ SRD FM low power radio modules.

We design and manufacture high-quality and cost-effective VHF and UHF radio modules that cater for the wireless needs of OEMs worldwide. Available on all major frequencies (151, 169, 173, 433, 458, 868 & 914 MHz), we offer a wide variety of modules to suit a diverse range of licence-exempt and licenced applications. The off-the-shelf modules can be customised to meet specific requirements.

Product portfolio

  • 12.5kHz, 25kHz Narrow Band & Wide Band FM
  • Transmitters, Receivers, Transceivers & RF Modems
  • Single-channel and Multi-Channel operation
  • 151, 169, 173, 433, 458, 868 & 914 MHz
  • UHF & VHF ISM bands
  • FCC Part 90 Compliant, FCC Part 15 compliant
  • Class 1 performance
  • Encoders & Decoders for RF remote control
  • Radio Packet Modems
  • Radio Packet Controllers
  • Evaluation Kits
  • Accessories – Antennas & Connectors


    Why Radiometrix?

    • Products designed and manufactured to the highest standards
    • Superior RF Performance, low power requirements
    • Radiometrix products are designed and verified to fully comply with FCC/ETSI or regional radio standards.RoHS Compliant
    • RoHS Compliant radio modules (lead-free)
    • Comprehensive portfolio of products
    • We test every single module


    • In-house technical support prior to, during and after sales
    • Custom design – in-house R&D and design
    • Long term availability of our products
    • Highly competitive volume pricing – contact Sales for quotations
    • Reduced time-to-market
    • Flexibility – we will do our very best to find a solution that meets your requirements

    Expertise – Low Power Radio is what we do

    • Over 25 years experience specialising in low power radio
    • Reputation for technical excellence
    • Team of leading RF industry engineers 

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