IR Long Range Transmitters




KI-3000

IR Stethoscope Transmitter

KI-4000

IR Room Transmitter



Model KI-3000/KI-4000 are provided with special IR transmitting diodes. The transmission of the voice is made by invisible IR light, which cannot be detected with a transmitter detector.
KI-3000 can hear through walls, windows, doors, etc. by using its built-in contact microphone.
Transmitting Range
:
approx. 300 m at daytime / 700 m at night time
HF Output
:
25 mW pp
Microphone
:
built in w/compressor amplifier
Power Supply
:
6 V Battery
Operating Time
:
approx. 20 hours continuous
Dimensions
:
45 x 30 x 15 mm
Weight w/Battery
:
approx. 20 g
 

KIR-100 Infrared Transmitter Receiver Recorder

IR Receiver for our KI-3000 and KI-4000
The receiver is built in a normal looking single lens reflex camera with a 500 mm tele lens. Direct listening as well as recording is possible.

Technical Specification
Receiver

Optical receiver inside a single lens reflex camera
Wave length
:
930 nm
Recorder
:
built in cassette recorder
Recording Time
:
2 x 1 hour
General
Power Supply
:
12 V ; 8 x 1,5 V UM2 (Baby cell)
Camera lens
:
500 mm / f/8,0
Dimensions
:
approx. 470 x 380 x 220 mm
Weight w/Batteries
:
approx 4,0 kg
Supplied complete with headphone, amplifier, cassette recorder and tripod, built in / packed in a photo case.
 

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