Sports radios Altai-3.5 and Altai-145.

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