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Old 08-29-2012, 8:49 PM
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Default GRE600 vs GRE800

John stated in a previous message/thread.

"Your not wrong but......Keep in mind that the 500/600 has been out for over 5 years and is a mature scanner. I still use the 500 for the reasons you state but I live in an area that is moving to P-25 systems and may be shut out of listening to some transmissions because the 500 will have hardware deficiencies that the 800 does not have on some Phase II broadcasts. GRE would have to do a hardware update on the 500/600, which is unlikely, to make it compatible with the 800. So the answer to your question is be well aware of what the technology is of the systems you want to monitor. If they are state of the art or soon to be you could be disappointed with a 500/600.

John"

What signals will the 800 receive that my 600 will not?
My area is already on P -25 systems and I receive them just fine except for the ones that have gone with encryption and I don't think the 800 will receive these encrypted signals either.

73 de Tony, KD4K

Last edited by tonycash; 08-29-2012 at 8:50 PM.. Reason: correction
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Old 08-29-2012, 9:09 PM
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The psr 800 can decode X2 TDMA. The psr 600 can not
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Old 08-30-2012, 12:27 PM
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Exerpt from RR APCO P25 writeup

John

Scanner Support for Motorola X2-TDMA and P25 Phase II TDMA
Motorola's X2-TDMA protocol can be decoded with the GRE PSR-800 EZ-Scan Digital Scanner. The PSR-800 is currently the only scanner model with the hardware to support any form of TDMA decoding (as of August 14th 2011).

On August 13th 2011, GRE stated that the PSR-800's support for P25 Phase II TDMA cannot be confirmed until it is tested live on a system that uses the final Phase II TDMA standard.

On December 18, 2011, a PSR-800 user confirmed that the PSR-800 cannot currently decode P25 Phase II TDMA (only X2-TDMA).

Uniden has confirmed that none of their current models support TDMA in any form, nor do they have the requisite hardware to do so, therefore cannot be made TDMA compatible via a firmware update. [4]

X2-TDMA can also be monitored with DSD.
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Old 09-03-2012, 3:17 PM
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Compared to a BC780XLT, the PSR-800 doesn't seem to be as sensitive. The BC780XLT can pick up stuff with the same antenna that the PSR-800 can't hear at all.
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Old 09-03-2012, 3:33 PM
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I tend to agree as far the 780xlt having a better receiver, but in comparison to my pro-197. There are bands that the 780 hears that makes my 197 appear deaf!

73,
n9zas
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Old 09-04-2012, 12:58 AM
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Age of all the present digital scanners is the reason I just bought another 800. The new Uniden hasn't tickled my fancy.
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