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British Wildlife

8 issues per year 84 pages per issue Subscription only

British Wildlife is the leading natural history magazine in the UK, providing essential reading for both enthusiast and professional naturalists and wildlife conservationists. Published eight times a year, British Wildlife bridges the gap between popular writing and scientific literature through a combination of long-form articles, regular columns and reports, book reviews and letters.

Subscriptions from £40 per year

Conservation Land Management

4 issues per year 44 pages per issue Subscription only

Conservation Land Management (CLM) is a quarterly magazine that is widely regarded as essential reading for all who are involved in land management for nature conservation, across the British Isles. CLM includes long-form articles, events listings, publication reviews, new product information and updates, reports of conferences and letters.

Subscriptions from £18 per year
Wildlife Survey & Monitoring  Ornithology & Bird Ringing  Telemetry Equipment

TRX-3S Telemetry Receiver

Affordable telemetry receiver for radio tracking three animals
TRX-3S Telemetry Receiver
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  • TRX-3S Telemetry Receiver 151MHz Usually dispatched within 1-2 months
  • TRX-3S Telemetry Receiver 173MHz Usually dispatched within 1-2 months
  • TRX-3S Telemetry Receiver 150MHz In stock
Selected product: £479.00
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TRX-3S Telemetry ReceiverTRX-3S Telemetry ReceiverTRX-3S Telemetry Receiver

About this product

The TRX-3S radio telemetry receiver represents an affordable tracking solution for monitoring three animals at a time.  It is lightweight, at under 400 grams, but has full functionality, with an attenuator switch to minimise swamping of the signal at close quarters and an LED scale to display signal strength.  The TRX-3S is powered by 8 x AAA batteries (included), providing 8 – 10 hours of tracking time, and is supplied with a padded carry case.

Key Features
* 3 channels
* Lightweight receiver: 397 g
* Attenuator
* LED signal bar
* 8 disposable AAA batteries included
* Padded carrying case with shoulder strap and belt loop included

Available programmed at 150MHz, 151MHz or 173MHz. Please contact us if you require a different frequency range or if you have existing transmitters that you need your receiver to be compatible with.




* Noise Figure: 2.8 dB typical
* Input Impedance: 50 ohms
* Frequency Range: 3 channels that are 10 KHz wide, with 30 KHz spacing between channels. 
* Frequency Stability: +/- 2 KHz from -20 to +120 degrees F or better
* Image and Spurious Rejection: 45db or better
* Minimum Discernible Signal: -148 dBm (.01 microvolts) or better
* Circuit Design: Conversion superheterodyne with 2 pole crystal 22.4 KHz filter @ 6 dB down, passband
* Manual Gain Control Range: 70 dB
* Tuning: 10KHz spaced channels, tuned by quartz-locked digital synthesizer.
* Fine tune VCXO +/- 5 KHz
* Sweep: N.A.
* Frequency Resetability: +/- 2  KHz or better
* Signal Metering: 0-1 scale, minimum signal to activate, 140 dBm, 30 dB dynamic range
* Noise Blanking Circuit: N.A.
* Operating Voltage: 9-14 volts DC
* Battery Pack: 8 disposable AAA batteries (included)
* Dimensions: 188 x 88 x 34 mm
* Weight: 397g


Customer Reviews

Affordable telemetry receiver for radio tracking three animals
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