You
use a pen to take a note. You use a pen to draw a map
or something. And this pen transmitter, STB/ AV/ TX/05
do an additional work i.e. intelligence gathering.
The pen transmitter is an incredibly discreet device
for covert monitoring.
UHF pen transmitter is powered by two small watch type
batteries and is fully functional as a ball pen. It can
be received with our receiver below and will transmit
up to a distance of meters away with amazing clarity.
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