Sports radios "Altai-3.5" and "Altai-145" have been produced since 1985 by the Barnaul Radio Plant.
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The radios are designed for "fox hunting" during training and competition in sports radio direction finding.
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The power source is a 7D-0.1 rechargeable battery.
,86e6f450b8cc469628ba70bf2947b049
Radio receivers were distributed only at the request of the regional committees of DOSAAF.
,86e6f450b8cc469628ba70bf2947b049
Main technical characteristics of the Altai-3.5 receiver: Operating frequency range 3.47 ... 3.88 MHz.
,86e6f450b8cc469628ba70bf2947b049
Sensitivity at a signal-to-noise ratio of 10 dB, not less than 2 μV.
,86e6f450b8cc469628ba70bf2947b049
Image channel selectivity 40 dB.
,86e6f450b8cc469628ba70bf2947b049
Rated output power 30 mW.
,86e6f450b8cc469628ba70bf2947b049
Maximum current consumption 20 mA.
,86e6f450b8cc469628ba70bf2947b049
Weight 950 g. Main characteristics of the Altai-145 receiver: Range of received frequencies 143 ... 147 MHz.
,86e6f450b8cc469628ba70bf2947b049
Sensitivity 7 μV.
,86e6f450b8cc469628ba70bf2947b049
Image channel selectivity 20 dB.
,86e6f450b8cc469628ba70bf2947b049
Rated output power 12 mW.
,86e6f450b8cc469628ba70bf2947b049
The maximum current consumption is 16 mA.
,86e6f450b8cc469628ba70bf2947b049
Weight 970 g. There are many photographs of the described receivers on the Internet.
,86e6f450b8cc469628ba70bf2947b049
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