AudioTR825 TELEX HF full duplex dual channel beltpack 120 frequencies
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The TR-825 is a detachable 2 channel HF beltpack for the BTR-800. Each beltpack is initially composed of 2 detachable antennas (1 transmit and 1 receive antenna), standard alkaline battery packs (R6).
General
--Frequency bands :
**470-608 Mhz, 614-740 Mhz
--Power supply:
**6 R6 Alkaline batteries
--Consumption:
**140 mA
--Temperature :
**-20°C to 55°C
--Dimension:
**9.5cm x 12.8cm x 4.2cm
--Weight:
**0.425 kg
--Transmitter antenna:
**1/4 wave (supplied)
--Receiving antenna:
**1/4 wave (supplied)
--Bandwidth :
**300-8Khz
--Mic input sensitivity:
** 7mV
--Headphone output :
** 40mV into 60 ohms
Transmitter
--Type :
Systematized; 720 channels
--Transmitter power :
50mW max. (Automatic reduction near the base)
--Type of modulation :
FM
--Deviation:
40 Khz
--RF interference stability :
0.005%
--Limiter:
Peak compressor
Receiver
--Type:
Superheterodyne, double conversion, Synthesized, FM
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