667Views0Replies

Author Options:

listening device for bird watching. Answered

listening device for bird watching,having the following specification:1.handheld,battery operated.2.frequency operation in audible frequency range.3.minimum of 30bB signal amplication.4.volume control for final outout stage.5.automatic gain control.6.10 second recording of sound,non volatile storade.7.two output sockets for headsets,5mm jack plug sockets.8.5 hour operational capabilities on one set of batteries.9.On/Off switch with LED indication.10.LEd to indicate recording.11.LED to indicate playback.?

Discussions

The forums are retiring in 2021 and are now closed for new topics and comments.