Full-featured high
quality telephone set conceals transmitter.
No need of technical
or professional knowledge - simply plug it to one of your phone extensions
( like any regular phone device ) and you're set.
The transmitter
is high - reliability FM modulated hybrid circuit.
Frequency operation
is 433 MHz crystal-controlled FM narrow band
No antenna required.
No battery required (Powered by line current).
Extremely difficult
to detect - nil current consumption during on hook operation .
Audio bandwidth:
20 Hz to 30 kHz . Range up to 700 feet in open area .
Automatically transmits
the conversation between both parties on the line to a receiver immediately
a conversation begins.
You can use any
extension (not only the one that the transmitter is connected to), for full
operation.
Full privacy at all times.
Price
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