From what I'm reading, it seems to be intended for analog simplex channels where units may unintentionally attempt to transmit at the same time, like a fire ground tactical channel. Supposed to enhance the chances that the radio will unmute and hear at least one of the radios instead of remaining m...

As there are many others who are unfortunately relegated to use XPR7550’s (or the e model) for public safety use - I know its not the right use case - I’m sharing my experience pairing the XE500 speaker mic on the 7550e. 1. The noise cancelling seems to be working. 2. The extra audio volume is nice,...

I ripped the outer jacket off of one of the quad band APX 8000 antennas (KT000026A01)... its insane whats inside. https://imgur.com/ZfbtZzO The upper portion seems to be the VHF helical antenna (based on my length estimation), a spring-style UHF whip in the center of the VHF helical. the lower porti...

I'm developing a bruise on my left armpit from the antenna on the APX8000. I'm exaggerating abit, but its pretty absurdly long. I have a fleet of these going into service shortly, primarily operating on UHF2 and 7/800 band. I still need to monitor VHF with *some* reliability. any other options? I've...