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This is our medium sized implantable tracking transmitter. This transmitter is encapsulated in electrical resin and coated in a bio-grade butyl rubber coating as to not cause adverse reactions on your animal of study. This implant is strong all the while remaining lightweight. For a smaller implant please see our BTXS3 or BTXRP. The BTXM3 comes with a trailing "Super-flex" antenna, if your study requires an internal coiled antenna please let us know.

Technical Specifications

Classification VHF Radio Transmitter (150.000 - 151.000 MHz)
Transmitter Type Crystal Controlled 3-Stage
Pulse Rate/Minute 22-44 PPM
Pulse Width 15ms 
Operating time(D) 53-87 Days
Battery(V) CR-1/3N 3v Lithium
Battery Capacity 160mAh
Typical Mass(G) 2.6g
Operating Temp(C) -20ºC to +40ºC
Antenna "Super-Flex" whip
Activation Removing external magnet (slight weight added)
Encapsulation Water-proof. Electrical Resin + Black Rubber coating

If you require custom shaped transmitters or custom potting/encapsulation apart from the standard shapes/sizes/finishes we offer, a custom transmitter can also be made upon request with rapid turnaround.

Just like traditional VHF telemetry & Tracking Transmitters, this transmitter emits a steady radio pulse for the entirety of it's lifespan, VHF tracking transmitters can be picked up by receivers from extremely far distances using VHF receivers you may already be using in the field, for even greater RF output and signal strength, 3v models will always out-perform the 1.5v variants (the trade-off is size and mass). Specific frequencies are noted on your purchased transmitter or provided with your order.