Is P25 Phase I here to stay or will it be replaced entirely by Phase II?
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P25RX Digital Police Receiver With Bluetooth Audio Support
The P25RX allows you to listen to unencrypted law-enforcement, fire department, and other agency's digital communications publicly available in your area. Unlike an old-school police scanner, the P25RX is an intelligent P25 Phase1 receiver that learns adjacent and alternate control channels...
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user manual is here: https://github.com/bluetailtech/BTConfig/raw/master/Documentation/p25rx_user_manual.pdf
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I apologize if I derailed the thread by requesting to be included in the stand-alone/LSM list of P25 receivers.
In an attempt to get the thread back on track, I will share my limited-area experience with P25. I have been monitoring the P25 systems in the Tri-cities, Wa area for around 2.5 years. The local systems span multiple counties/cities/departments. I've only been monitoring the TDMA grants on the control channels for the last several months. I can say that all three systems I can receive are configured for TDMA, but I have not seen a single TDMA voice grant the entire time. As far as I can tell, the local systems are nowhere near reaching the bandwidth limitations of phase 1 here.
In an attempt to get the thread back on track, I will share my limited-area experience with P25. I have been monitoring the P25 systems in the Tri-cities, Wa area for around 2.5 years. The local systems span multiple counties/cities/departments. I've only been monitoring the TDMA grants on the control channels for the last several months. I can say that all three systems I can receive are configured for TDMA, but I have not seen a single TDMA voice grant the entire time. As far as I can tell, the local systems are nowhere near reaching the bandwidth limitations of phase 1 here.
So glad I took the time to post here. Thanks a lot for the fake twitter account in search results. Please guys, I do not have the h ttps://twitter.com/#!/bluetail account. I do not have a political message to share here. The BlueTail Technologies twitter account with 0 followers is here:
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I get the message. I am not welcome here. No problem. No need to sabbotage me further. Thanks.
https://twitter.com/bluetail
I get the message. I am not welcome here. No problem. No need to sabbotage me further. Thanks.
I think GTR8000 gave an excellent response to the question about why a jurisdiction may or may not upgrade from Phase 1 to Phase 2. I'll just add that part of it is timing: If you just completed a Phase 1 system in ~2013, it had plenty of capacity for the foreseeable future, and you were still making payments on it, you probably weren't going to upgrade to Phase 2 in the near term just because it became available and was better.
In 2020, if a locality is just now replacing an antiquated EDACS radio system, or an old conventional system, with a new trunking system, then it makes sense for them to go right to P25 Phase 2.
In 2020, if a locality is just now replacing an antiquated EDACS radio system, or an old conventional system, with a new trunking system, then it makes sense for them to go right to P25 Phase 2.
I'm in the East Bay. Although I only run across P25 Phase 1, original plans called for an eventual switch to Phase 2 at some point. It seems like the can has been kicked ahead but I suspect it will come eventually. If you're one to buy a new scanner every year or so, you could get by with a Phase one capable scanner now but you will be fighting simulcast distortion (and it will frustration the snot out of you). If I were in the market today, I'd buy one that could handle both Phase 2 and simulcast distortion.
Project25_MASTR
Millennial Graying OBT Guy
Also doesn't hurt to be rolling in TDMA enabled SU's during the standard service life upgrades if you have a Phase2 capable or Phase 2 ready system assuming budget allows for it. Though, in one situation I could see it practical for building a Phase 2 ready system with Phase 1 in mind.
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