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DMR problem with Kenwood and Motorola portables

A

arlo

Member
Premium Subscriber
Joined
Dec 19, 2002
Messages
126
I have a XPR8400 repeater programed for VHF DMR trbo. There are Kenwood NX-1200 and Motorola CP200d portables. Several Kenwood users are
saying their transmissions are not being heard every time. Is this an individual radio problem or a problem caused by mixed brands?
 
H

hp8920

Member
Joined
Apr 21, 2023
Messages
123
Location
RDU
Are the Kenwoods set to transmit Talker Alias (Over-the-air Alias in Kenwood speak) or OVCM? Old versions of Motorola firmware, including the R2.9 everybody seems to like, have issues if either of these two features are in use.

Specifically, the Motorolas will fail with late entry. That's when they miss the setup at the beginning of a call and begin decoding in the middle of voice traffic. Because normal entry works fine, you will see intermittent failures, dependent on RF conditions, RX power save, and especially scan.
 
kd4efm

kd4efm

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Premium Subscriber
Joined
Jul 14, 2002
Messages
2,630
Location
Florida
Being I caught this by eye.
Turn off OTAA on the kenwoods. They do not do well with the xpr8300 or 8400 data stream.
 
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