We are having a debate. We usually update the Mega firmware every couple years. Not the easiest manpower wise because it take 18+ minutes on APX mobiles. We don't do Over The Air Programming. Anyway sometimes we see an APX radio with older firmware and it is programmed with newer or most recent CPS....

We have been doing firmware updates on our APX radios. We are doing the current 18.21 firmware update. Encryption keys are lost with the firmware update. No problem reinserting encryption key in APX7000 Portables. With APX7500's WITH REMOTE HEADS we cannot load encryption keys via the control head. ...

The XTS3000 and Astro spectra were turned down to narrowband - 2.5K. Can't adjust PL levels in CPS, as far as I can tell, and Moto says it can't be done. Are they right? We already confirmed that the mobiles and portables decode at as low as 100Hz. Problem doesn't seem to be there on the City's repe...

Hi My County is in the process of narrowbanding. We were planning on programming mobiles and portables in advance of our programming the repeaters etc and for a while going narrowband into wideband receivers. We don't have a lot of conventional radio channels. We are mostly Motorola digital, trunked...