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XPR6550 Frequency Range Expansion?

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n2nov

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Dec 18, 2002
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I have an XPR6550 that is for the 403-470 Mhz range. Is there a way to hex edit a file or something to expand the range to 512 Mhz or so like the older models of radios? Thanks.
 

K2NEC

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If it's a 403-470 radio, it will go up to 480 without causing any problems. Anything more and you will have to re align it.
 

N4KVE

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Mar 1, 2003
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PALM BEACH, FLORIDA
If it's a 403-470 radio, it will go up to 480 without causing any problems. Anything more and you will have to re align it.
Not worth the bother. The hi split 6550’s always sell for less than the low split version because most hams don’t want them. I did pick up a hi split 6550 recently, & it was $50. It came from the Depot only 6 months before I got it, so it was literally brand new. Like K2NEC wrote, 10 megs into the other band split.
 

PACNWDude

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Oct 15, 2012
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I wish I could find 450-512MHz XPR6550's for $50 each, I use them often for work. However, for opening up U1/2 range like the newer XPR7550/e radios, you will want to search for how to Hex edit a XPR6550 for amateur use online. Hex editing works, but I eventually found it tiresome to do so and ended up buying an Anytone 878 for my amateur use instead.
 

Golay

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Apr 28, 2016
Messages
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Not worth the bother. The hi split 6550’s always sell for less than the low split version because most hams don’t want them. I did pick up a hi split 6550 recently, & it was $50. It came from the Depot only 6 months before I got it, so it was literally brand new. Like K2NEC wrote, 10 megs into the other band split.
I was going to say something along the same lines, for the same reasons.
 
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