Post : Sainsonic GT-3, GT-3 Mark II additional notes
URL : https://hamgear.wordpress.com/2014/1...itional-notes/
Posted : December 17, 2014 at 11:31 am
Author : Hans
Tags : Baofeng, Baofeng GT-3, Baofeng UV-5R, bugs
Categories : Amateur Radio, HAM Gear, HAM Radio

Thanks to a reader in Denmark I ran into a new, undocumented feature present
in modern UV-5R varieties which have both a Band and an A/B button. The
feature has been confirmed in the GT-3, GT-3 Mark II and the to-be-reviewed
GT3TP, but might be true for other recent UV-5Rs also.

1750 Hz and 2100 Hz burst tones
In most parts of the world burst tones were once used to open up repeaters
but abandoned in favor of CTCSS.Â* It's one of the reasons why I don't look
into that feature too closely anymore; it became sort of irrelevant. Some
European repeaters will still open up when a 1750 Hz tone is transmitted in
order to stay compatible with older ham equipment.

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