Monmouth County 700 MHz Project 25 TRS

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GTR8000

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The APX 7000 is the top-tier Motorola P25 dual-band offering. There are less expensive single-band options that are TDMA capable, so it's hardly fair to base the costs on the fully loaded $7,000 APX model. Yes, even the bottom tier APX 4000 series is not exactly cheap at $2,600, but that's a big difference from a $7,000 APX 7000, so let's be fair here when discussing the costs factors.

For the record, Nassau County's system is FDMA, not TDMA. They simulcast some of the talkgroups on T-Band for the benefit of local agencies who are not on the P25 system, not because they are trying to overcome system design flaws or "weak signals, no signals, and dead spots". The county police operate on the system exclusively, which means local village police and other agencies are unable to monitor them unless they are on the system themselves.

If the system is designed properly from the get go, and properly built out to the engineered specs, the coverage will be nearly identical to what was plotted during the design and engineering phase. There's really no big mystery to it...do the job right and the system will work as expected. Cut corners and you're going to have issues.
 

brownlab

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The APX 7000 is the top-tier Motorola P25 dual-band offering. There are less expensive single-band options that are TDMA capable, so it's hardly fair to base the costs on the fully loaded $7,000 APX model. Yes, even the bottom tier APX 4000 series is not exactly cheap at $2,600, but that's a big difference from a $7,000 APX 7000, so let's be fair here when discussing the costs factors.

For the record, Nassau County's system is FDMA, not TDMA. They simulcast some of the talkgroups on T-Band for the benefit of local agencies who are not on the P25 system, not because they are trying to overcome system design flaws or "weak signals, no signals, and dead spots". The county police operate on the system exclusively, which means local village police and other agencies are unable to monitor them unless they are on the system themselves.

If the system is designed properly from the get go, and properly built out to the engineered specs, the coverage will be nearly identical to what was plotted during the design and engineering phase. There's really no big mystery to it...do the job right and the system will work as expected. Cut corners and you're going to have issues.

I stand corrected on Nassau County. I thought at one point the PD radio system was listed as TDMA but I can see now that is not the case.

Thanks

Jeff
 

brownlab

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The APX 7000 is the top-tier Motorola P25 dual-band offering. There are less expensive single-band options that are TDMA capable, so it's hardly fair to base the costs on the fully loaded $7,000 APX model. Yes, even the bottom tier APX 4000 series is not exactly cheap at $2,600, but that's a big difference from a $7,000 APX 7000, so let's be fair here when discussing the costs factors.

For the record, Nassau County's system is FDMA, not TDMA. They simulcast some of the talkgroups on T-Band for the benefit of local agencies who are not on the P25 system, not because they are trying to overcome system design flaws or "weak signals, no signals, and dead spots". The county police operate on the system exclusively, which means local village police and other agencies are unable to monitor them unless they are on the system themselves.

If the system is designed properly from the get go, and properly built out to the engineered specs, the coverage will be nearly identical to what was plotted during the design and engineering phase. There's really no big mystery to it...do the job right and the system will work as expected. Cut corners and you're going to have issues.

Just to be clear I totally support the Monmouth County Public Safety Communications upgrade and in my opinion it is long overdue. To quote Chauffeur6 “If the system is designed properly from the get go, and properly built out to the engineered specs, the coverage will be nearly identical to what was plotted during the design and engineering phase. There's really no big mystery to it...do the job right and the system will work as expected. Cut corners and you're going to have issues”. He is 110% correct about that especially when you consider they are taking some 19 odd police departments (and other public safety agencies) into the digital radio age.

I cannot totally agree with the APX radios. Yes the 4000 series will work but considering the circumstances (for example the PD needing to communicate with the FD/EMS) the APX 7000 series is the way to go but yes they are $$$. But take a look at the features APX
PS…..I have no association with Motorola or any affiliates
 

GTR8000

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I cannot totally agree with the APX radios. Yes the 4000 series will work but considering the circumstances (for example the PD needing to communicate with the FD/EMS) the APX 7000 series is the way to go but yes they are $$$. But take a look at the features APX
PS…..I have no association with Motorola or any affiliates

There are cheaper ways of accomplishing this without having to spend thousands of dollars on dual-band APX 7000's. Assuming the PD field units even have a need to communicate directly with FD/EMS in the first place, the VHF/UHF infrastructure can be linked with the 700 MHz trunked system. This can be accomplished via hardware links or by using console patches.

Assuming a permanent hardware solution is desired over a console patch, two APX 7500 consolettes can easily be wired together to create a link. One consolette operates on the 700 MHz trunked system and is programmed for a specific talkgroup, the other consolette is programmed to a corresponding VHF or UHF frequency. This creates a seamless bi-directional link between the bands, and is a single one-time cost as opposed to thousands of dollars per dual-band mobile/portable radio.
 

scannersnstuff

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i can shed some light on this subject. for the most part, monmouth county does not want police field units/other bases to come up on most any of the monmouth county licensed channels, be it fire or ems.
there are exceptions. police based emergency medical techs have come up on ems 1 to relay pertinent patient info. to county/local squads, and/or responding monoc medic units. i have heard several pd units admonished by county about coming up on the mc fireground channels to talk to the local fire officers.
i.e. monmouth beach pd calling a fire chief on mc fire 2. most, but not all towns have a local frequency to communicate between police/fire and ems. in reality, i can see the need for enforcement. i have witnessed several dozen events of a miscommunication, because either a police officer tells responding fire units to slow down or disregard, when in actually, the fire was not out/under control etc. similar miscommunications occur when pd/fd /ems and medics are working a job, and a medevac is called.
i've heard the pd telling the medevac comms center to have the ship stand down. the fire's yelling at the pd, "wheres the bird?", and the medics are on the radio saying that the patient is either doa, or does not meet the criteria for aeromedical transportation. just like in any other circumstance, too may chefs spoil the broth. this is not meant to say that most of the communicators did not have good intentions.
 
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brownlab

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There are cheaper ways of accomplishing this without having to spend thousands of dollars on dual-band APX 7000's. Assuming the PD field units even have a need to communicate directly with FD/EMS in the first place, the VHF/UHF infrastructure can be linked with the 700 MHz trunked system. This can be accomplished via hardware links or by using console patches.

Assuming a permanent hardware solution is desired over a console patch, two APX 7500 consolettes can easily be wired together to create a link. One consolette operates on the 700 MHz trunked system and is programmed for a specific talkgroup, the other consolette is programmed to a corresponding VHF or UHF frequency. This creates a seamless bi-directional link between the bands, and is a single one-time cost as opposed to thousands of dollars per dual-band mobile/portable radio.

Makes you wonder why Motorola even bothered to make the dual band radio since there are so many work around solutions-LOL but forget about fire/ems, Monmouth County has some 50 odd police departments (my count). Are they all coming over to a county-wide dispatch or are some of them staying as they are now? That is why I feel this will be interesting to see how they do this (having not seen any requirements as of yet)
 

jdeverett

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Just picked up TGID 33 encrypted with my BCD536HP. Happy to hear garbled at full strength on the meter. 536 located one block in from the beach in Monmouth County.

73

W2WEG
 

DJ88

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I just read on Monmouth County Police, Fire & EMS on Facebook that the new county communication center is supposed to go online tomorrow (Monday 4/14).
 

FDNY216

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MONMOUTH FD/EMS

can anyone confirm if the Monmouth County Fire/Ems will move primary dispatch for FIRE and Ems comms
 

scannersnstuff

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that would not be possible via a trunked radio system <sending tones>.. from the start, it was stated that fire and ems will stay on vhf "with improvements". thats all i know.

also, its a moot point,because 700 mhz. fire pagers do not exist. thankfully.

if monmouth county wanted to place fire frequencies 2,3,4 and 5, and ems 1 on repeaters, it would be more than ok with me.
 
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CastorLB

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All comms I've heard are mostly encrypted and appear to be law enforcement.

TG 1001 Sheriff's - UID 66xxx
TG 2501/2502 Park System (Non encrypted) - UID 77xxx
TG 5001 Colts Neck PD - UID 84xx (Portables), 8400xx (Mobiles)

I was also monitoring Sheriff's 4 and Colts Neck PD's conventional channel and found no activity so I guess they are on full time now and not patching.
 
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