Calculator Transmitter / Receiver

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CALCULATOR TRANSMITTER / RECEIVER
The calculator looks and works like any normal pocket calculator, but cleverly concealed inside it is a crystal-controlled UHF transmitter. It will withstand the closest examination.

Purchase Price:$1098.00

Rental Price: $375.00/wk

CALCULATOR TRANSMITTER / RECEIVER

The calculator is ideal for monitoring business meetings. All conversations within a room can be monitored and the signal transmitted to a nearby receiver. Range of the Calculator Transmitter will depend on the location in which it is being used, but in an open environment can be many hundreds of meters.

The transmitter works normally whether the calculator is switched on or off.

SPECIFICATIONS:

Frequency range: 350-600MHz
Modulation: Narrow band FM
Deviation: 5 KHz
Operating voltage: 3.6V
Crystal controlled: +/- 10ppm
Operating temperature range: -10 to +65°C
Dimensions: 115 x 60 x 20 mm

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Contact Info:
Monty Henry
President and Founder

DPL-Surveillance-Equipment.com LLC
18345 Kittridge #12
Reseda, CA 91335
Local: 818.344.3742
888: 344.3742
Fax: 775.249.9320

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FACT SHEET: CALCULATOR TRANSMITTER / RECEIVER

As an option, a lower priced, free-oscillating, Plug Adapter Transmitter operating on VHF (110- 130 MHz) can be supplied. This can be monitored on any air band radio or can be supplied with a dedicated receiver

CRYSTAL-CONTROLLED RECEIVER $465.50

SPECIFICATIONS:

Size: 56 x 115 x 20 mm
Weight: 210 g
Power Supply: 9 V

This is a completely new crystal-controlled receiver which has been designed for use with our covert transmitters.

The receiver provides extremely high quality sound definition, and can be supplied in any VHF or UHF frequency. It comes complete with a connector cable for use with a headset and for use with a voice-activated, reduced speed tape recorder for unattended use. It's small size and weight make it ideal for covert use. It can be supplied either as a single, two-channel or three-channel receiver.