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Battery Powered 45g PTT

Battery Powered 45g PTTFeatures

  • 1000 hours transmission lifetime*
  • Programmable with up to 5 duty cycle seasons
  • Optional Seasonal GT™ and Mortality GT™

Dimensions** Length: 2.85 in (7.24 cm)  x  Width: 1.30 in (3.30 cm)  x  Height: 0.68 in (1.73 cm)
Antenna: 7.00 in (17.78 cm) protruding from the back edge of the transmitter 45 degrees to the bottom face
Sensors Temperature, battery voltage, activity
Construction The housing is constructed from a lightweight glass-reinforced epoxy composite material with a contiguous interior metal-plated coating. The unit is hermetically sealed with a metal-to-metal solder joint providing stability during changes in temperature and humidity.
Attachment options Backpack via harnessing tubes (with standard neoprene cushioning pad)
Color options Standard or Matte Finish: classic, dark brown, medium brown, gray, white, black
Example species Southern Giant Petrel, Bonelli's Eagle, Northern Gannet
* Estimated transmission lifetime based on a 8 hours ON / 48 hours OFF duty cycle.
** Neoprene pad not included in these dimensions.


The Battery Powered 45g PTT is our lightest battery-powered backpack-style PTT. It is designed with a low-height, sleek housing. This model is useful for species weighing >1.5 kg, especially those that preen feathers over backpack attachments or that occupy habitats or latitudes with limited sunshine. 

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