Steve,

That's because the BF-888 and similar models do not have those exact connection points; most uses of those radios don't require the ability to disable the built in bandpass filters and preemphasis or deemphasis, which is actually handled entirely inside the radio firmware. I'm not certain exactly what the OP is wanting to do beyond setting up the two different modes on the same hardware, but if there is a desire to bridge between them, I do know how to accomplish that part.

Matthew Pitts
N8OHU

From: Steve Zingman <szingman@msgstor.com>
To: "app_rpt-users@ohnosec.org" <app_rpt-users@ohnosec.org>
Sent: Tuesday, September 22, 2015 1:59 PM
Subject: [App_rpt-users] Allstar node

Those mods are about the same as lots of them on the net.
They still do not expose the discriminator or modulator.

73, Steve N4IRS

> Maybe this link to Doug's slick modification might be helpful
> information with regard to the abilities of the BF888s

> Warren, KD4Z
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