Radius M208 option board

[VA3XDJ]

Where would I find the option board installed in an M208?

Picked up a D33LRA77A5BK that transmits some kind of 5 tone ID (sounds like select 5)

Since its being used for 2 meters I'd like to disable or remove it.

Thanks

Mike

[35echo]

Mike,

Look inside the back of the control head for an add on board or inside the body of the radio on the controller board.

Regards,

Allen

[VA3XDJ]

Found it. Thank you!

A board stuck to the back of the LED display inside the control head with a 5 pin connector going to it.

Now I'm curious about it. It used to be used by a cab co and this was their PTT ID (which repeats during TX or on PTT press)

The big IC on this board is an ST 898845 / MK15154N-00 / SIGTEC AD-01 OCT 1986.

Mike

[VA3XDJ]

Turns out its an M206

Can I increase number of channels?

[kb2crk]

which logic board does it have. if it has the 16 pin maxtrac board it can be hacked up to 40 but scan might not function. I do not know how far one can push the 5 pin board.

[VA3XDJ]

Just was reading about it on batlabs site.

I'll check it out when I decide to open it again.

As it stands I put my frequencies in and its running flawlessly so far.

[mikegilbert]

It's funny- a local taxi company also runs some odd 5-tone signalling here in Seattle. Their radio etiquette is laughable- always talking over eachother.

http://www.supload.com/listen?s=gB8sap