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PD982 SFR License
- Thread starter otobmark
- Start date
Says for PD982i. Does it work on PD982 as well (no “i”)? Does i version radio offer any improvement over non i radio?
speedway_navigator
Member
I think I had SFR in my PD782 before it got the eye firmware. My SFR license date is July 2017.
My earliest v9 upgrade file is from 2019.
My earliest v9 upgrade file is from 2019.
i suffix was introduced with firmware 9 and was the removal of the motorola features. SFR would work on a non-i (and a non-i upgraded to version 9 is the same as an i version). There is no physical difference between the i version (at least in this case, some models had some hardware changes at rougly the same time).
Just ordered SFR PD982 new old stock. So I should never upgrade to firmware 9 or above? On another thread I quoted Motorola patent and it seems quite different from Hytera. Moto version does a lot of handshaking.
Up to you, sfr works fine on both v8 and v9. In going from 8 to 9 you loose the Motorola dual capacity mode (splitting the two time slots to completely different channels) but you still have hytera pseudo trunk and v9 brings other features. You cant go back, so if you have. V8, consider hard before upgrading. If your getting it just for sfr, I would leave it on whatever it came with.
(I did brick a 985 upgrading it(had to go back to hytera), upgraded lots of hyteras, so this was a first and I am now cautious about upgrading this one)
(I did brick a 985 upgrading it(had to go back to hytera), upgraded lots of hyteras, so this was a first and I am now cautious about upgrading this one)
This is confusing about eliminating DSDM (DCDM) in Hytera since all the other Chinese radios can do it as well as the Kenwood radios. I noticed with motorola SFR that there is a 90ms offset not 30ms. I'm beginning to think the Motorola/Hytera lawsuit is all smoke and mirrors. Everything cited would be covered by natural advance of the art, not groundbreaking technology. In the end I'll end up with a trial and error system possibly without ever knowing exactly how it works. Rather APCO or European standard, all of this should be part of the DMR standard.
Hytera won't send SFR license to dealer for non-i version of PD982. Is this a serial number issue or would updating firmware to 9 fix the problem? I'm getting ready to give up on whole project at this point. Not having any Hytera experience myself beyond one of their little cell phone looking radios is not helping. The concept of SFR, long long used in Tetra is a compelling technology which motorola is sabotaging for sport. Frustrated. I'd say it's the scotch talking but I haven't found it yet...
speedway_navigator
Member
I have a code plug dated 10.14.17 with radio data 8.1.2.2, firmware A8.1.3.5 with SFR checked in feature control. I updated to the latest version and did a test for a potential client using SFR in my PD982.
This is a little like playing Dungeons and Dragons. No clear path towards solutions. My AHJ has a Hytera portable repeater that I’m going to borrow for testing. Hopefully it’s the one with SFR in it. I might grab their Hytera HT w/ SFR and a half dozen NX1300’s as well. Lacking sophisticated lab gear I will need to do open air testing with a crew of people and radios. I’m out of pocket last half of april until end of May which is really breaking my battle rhythm. Some of what I’m seeing does not match my various theories of how it works or of the patents I’ve read. MESH IS NOW! DMR should embrace this most primitive form of it. Most people just drive the car having carefully read the manual, I look under the hood and listen to people who have taken the car apart and put it back together hopefully improved. When it comes to SFR i can’t but wonder if the duplexer industry is running a black op to stop it?
speedway_navigator
Member
I was in the Irvine repair shop visiting with the techs when one mentioned Hytera was testing a multi hop / mesh option for the portables.
Too bad it never got developed, I had a search and rescue team hoping to test it.
They did test the SFR on my PD982 and some PD682s, it worked very well in their cave rescue training.
Normally the RF path drops after the first curve in the shaft, they got more than double the analog simplex range using the PD982 at the mid point.
Too bad it never got developed, I had a search and rescue team hoping to test it.
They did test the SFR on my PD982 and some PD682s, it worked very well in their cave rescue training.
Normally the RF path drops after the first curve in the shaft, they got more than double the analog simplex range using the PD982 at the mid point.
This will get it done with enough radios. Hard to figure price but demos were $12-18k. 1,3ghz module.
speedway_navigator
Member
This company might have been the one I saw at the APCO show in LA about 10 years ago. One of the military groups, maybe Thailand, was using the SFR in copters for SAR missions. Simplex at ground level had limited range in the tropical forest.
All special ops are mesh with a Predator, Hawk or other airborne asset overhead. Sat direct quite hard on the move. Our model depends on air superiority which is pretty optimistic. Gulf One they broke HF radios out of mothballs because of satellite overload.
speedway_navigator
Member
To me drones have negated air superiority (holy crap 6 syllables) to a certain extent.
This is a duplicate of what I posted elsewhere but not having the time or people to do a definitive open air test at least until mid may I made some improvised faraday cages to do a better tabletop test of Hytera 982i SFR. What I learned was only the Motorola radios had a problem— they would Not open squelch on traffic passing through the Hytera. They could transmit through the Hytera to all the other radios (except Motorola). Radios used: Hytera 362, Kenwood NX5300, EFJ VP8000, Anytone, Alinco MD5, Motorola XPR4550, 7550, 5550, NX1300.
All radios in regular simplex (NOT DCDM/DSDM).
I don’t even have a theory as to why Motorola radios would not receive SFR traffic. If I keyed up the Hytera manually the M radios would hear it. Only traffic initiated by another radio of any make PASSING THROUGH the Hytera would be ignored. None of this is gospel until more comprehensive testing.
All radios in regular simplex (NOT DCDM/DSDM).
I don’t even have a theory as to why Motorola radios would not receive SFR traffic. If I keyed up the Hytera manually the M radios would hear it. Only traffic initiated by another radio of any make PASSING THROUGH the Hytera would be ignored. None of this is gospel until more comprehensive testing.
Should have tried to enable ERDM in Motorola channel settings.
When I check the box it wants me to set up 2 color codes, 1 for tx and another for rx. I wonder what setting them both the same would do? I'm off to west coast for awhile so testing will have to wait for 3 weeks anyway. If any of you guys are S. CA I'll probably hang out on the N6LXX P25 system--good bunch of people.
