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Midland MXT400


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#21 berkinet

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Posted 17 April 2018 - 02:37 AM

I have the MXT115, anyone having trouble talking to repeaters on it???...

Can you define “trouble.” Can you bring up the repeater at all or are you just having problems hearing or being heard?

Just taking a guess a guess here, but it may be an issue with your PL settings on transmit. Check that you have the channel programmed for repeater use and have the correct PL tone selected.

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#22 PB92

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Posted 20 April 2018 - 03:16 PM

Don't feel bad keithress, I'm still trying to figure out how to program the PL tones in my 400. Can't say I see it anywhere in the manual for some reason. Maybe I need my decoder ring on or something.



#23 berkinet

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Posted 20 April 2018 - 03:25 PM

Don't feel bad keithress, I'm still trying to figure out how to program the PL tones in my 400. Can't say I see it anywhere in the manual for some reason.

Take a look at page 17 in the manual*: Selecting a Privacy Code, Continuous Tone Coded Squelch System (CTCSS)

PL is Motorola’s name for CTCSS. While the term PL (from Private Line) is widely used, it is actually trademarked by Motorola.

* https://midlandusa.c...ners-Manual.pdf

see also: https://en.m.wikiped..._Squelch_System

Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.

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#24 keithress

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Posted 20 April 2018 - 11:21 PM

Well I solved my problems  LOL    I gave the MXT115 to my kid for her car and bought 2 Baofeng handhelds (BF-F9V2+)  and a  BTECH MINI UV-25X2 25 Watt  for the truck.  Now I just have to figure out CHIRP!!!!  LOL  thanks for the info



#25 jwilkers

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Posted 26 April 2018 - 11:53 AM

Well I solved my problems LOL I gave the MXT115 to my kid for her car and bought 2 Baofeng handhelds (BF-F9V2+) and a BTECH MINI UV-25X2 25 Watt for the truck. Now I just have to figure out CHIRP!!!! LOL thanks for the info

Bear in mind, both those radios mentioned are not part 95 certified and therefore are illegal to be used on gmrs.

Sent from my SAMSUNG-SM-G920A using Tapatalk
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#26 WRAF213

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Posted 27 April 2018 - 05:05 AM

I don't think those are Part 90, either. I'm on mobile so I can't check, but I know the 8-watt HTs are Part 15 only.

#27 skipwalton

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Posted 01 June 2018 - 06:43 PM

If your audio quality is low, try turning the compander on. It may not make a difference on your radio, but then again no 2 radios are alike, even the same models.

#28 Hans

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Posted 01 June 2018 - 08:13 PM

If your audio quality is low, try turning the compander on. It may not make a difference on your radio, but then again no 2 radios are alike, even the same models.

 

AFAIK, companders only work with other compatible companders. If the person is communicating with another MXT or radio with a compatible compander then they are golden. Otherwise, not so much.


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#29 jimlock

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Posted 19 October 2018 - 07:39 PM

I just got an MXT400 but I see what is possibly a very disappointing "feature". It looks to me like channels 15-22 are ALL either set to "repeater mode" or ALL are set to simplex mode with no option to set ONE channel to repeater mode and leave the rest on simplex. Am I doing something wrong or is this radio as lame as I think it is when it comes to repeater options?



#30 RickW

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Posted 20 October 2018 - 09:47 AM

From my experience, when we first got the MXT400's, they only operated on simplex until you change the menu to allow repeater channels. This just adds additional duplicate channels, so that you have both simplex and repeater channels available. After doing this, as you rotate (or scan) through the channels, it displays the lower power channels 1 - 7, then the simplex channels 15 - 22, and then the repeater channels 15 - 22. Thus, if you transmit on a simplex channel, both rx and tx are on the same frequency, but if you transmit on a repeater channel, the required 5 MHz transmit offset is preset.

 

It is different than what I have used for ham radio where a given frequency can be either simplex or a plus or a minus offset, or even a non standard offset. With GMRS since there is only the required 5 MHz plus offset and I suspect they did this to make it simpler for non technical users.

 

If I am scanning, I will hear repeater outputs on either the simplex or repeater channels (15 - 22) assuming I have the correct tone (PL or DPL) set or no tone.  If I then wish to stop scanning and use a repeater, I have to remember to use the repeater channels which display an rP on the lower left of the screen.

 

The one shortcoming is that if you set a tone, it works for both TX and RX. I have never come across this in ham radio, but it seems that some GMRS repeater owners use different tones for input and output. If you really want to use a given repeater, the work around is to open the squelch for receive and ignore the repeater output tone, but, of course transmitting the access tone to the repeater. This means that if you are scanning, you will not hear the repeater if you have the tone set. If you do not have a tone set, you would have to select the tone before transmitting in order to access the repeater. This is a bit awkward but could be done.



#31 Ian

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Posted 10 November 2018 - 03:45 AM

I'm rocking the midland micromobile mxt105 - simplex only, but I'm quite fond of it.  I was thinking about rolling an all-Midland repeater, but then I remembered that they don't have anything cheap (actually, they don't have anything AT ALL) that can listen on the repeater inputs.

 

Tangent:  why does the mxt400 have a data terminal on the front panel, which the manual says isn't used?



#32 Hans

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Posted 10 November 2018 - 04:36 AM

Ian, Commsprepper tried unsuccessfully to make a repeater from the Midland Micromobiles https://youtu.be/lwpe_0-QeLA


*** These are NOT type accepted. This is for informational purposes ONLY. ***
AFAIK,the LT-590 UHF Mobile Radio is the basis of the Midland MXT400 MicroMobile. http://luiton.com/pr...f-mobile-radio/
LT-590 manual http://luiton.com/wp....compressed.pdf
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#33 Hans

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Posted 10 November 2018 - 08:58 AM

Tangent:  why does the mxt400 have a data terminal on the front panel, which the manual says isn't used?


On the Luiton LT-590, according the the manual that is "Data Terminal - reading/writing, cloning and theft alarm functions." i.e. It's the programming port... on the LT-590 at least. wink.png

If you haven't figured it out yet, that Midland price tag is for a locked down firmware and FCC certification. In other words, less radio and an FCC sticker for more money. biggrin.png
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#34 Ian

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Posted 10 November 2018 - 11:27 PM

On the Luiton LT-590, according the the manual that is "Data Terminal - reading/writing, cloning and theft alarm functions." i.e. It's the programming port... on the LT-590 at least. wink.png

If you haven't figured it out yet, that Midland price tag is for a locked down firmware and FCC certification. In other words, less radio and an FCC sticker for more money. biggrin.png

facepalm.jpg

 

Edit:  Holy crap, the Midland is TWICE THE PRICE!!!  D:

 

Edit:  I'm morbidly curious to see if the LT-590 programming software would work on the Midland…


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#35 berkinet

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Posted 11 November 2018 - 12:11 AM

Ian, Commsprepper tried unsuccessfully to make a repeater from the Midland Micromobiles https://youtu.be/lwpe_0-QeLA*** These are NOT type accepted. This is for informational purposes ONLY. ***AFAIK,the LT-590 UHF Mobile Radio is the basis of the Midland MXT400 MicroMobile. http://luiton.com/pr...f-mobile-radio/LT-590 manual http://luiton.com/wp....compressed.pdf

IF the LT-590 is just a limited version of the MXT400, and, one wanted to build a part-95 acceptable repeater out of “MXT400”s, then one could use the LT-590 as the receiver. I am not saying the receiver would, or would not, be selective or sensitive enough. But, if the MXT400 was de facto “good enough,” then the LT-590 should be too.
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Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.

-- Marcus Aurelius


#36 Hans

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Posted 11 November 2018 - 12:23 AM

IF the LT-590 is just a limited version of the MXT400, and, one wanted to build a part-95 acceptable repeater out of “MXT400”s, then one could use the LT-590 as the receiver. I am not saying the receiver would, or would not, be selective or sensitive enough. But, if the MXT400 was de facto “good enough,” then the LT-590 should be too.


Holy smokes, I didn't even think of that! I'm going to pass that along to Commsprepper. Thanks!

#37 Hans

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Posted 11 November 2018 - 12:25 AM

Edit:  I'm morbidly curious to see if the LT-590 programming software would work on the Midland…


I wouldn't hold my breath but it is worth a shot. The LT-590 is not on the list for Chirp so you would have to try the Luiton software. I wish I had an MXT400 here to see... Again, highly unlikely though.

#38 Jones

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Posted 11 November 2018 - 12:19 PM

I wouldn't hold my breath but it is worth a shot. The LT-590 is not on the list for Chirp so you would have to try the Luiton software. I wish I had an MXT400 here to see... Again, highly unlikely though.

Keep in mind that the LT-590 UHF is also the same thing as the older TYT TH9000 UHF, which is on the Chirp list.



#39 Hans

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Posted 11 November 2018 - 06:42 PM

Keep in mind that the LT-590 UHF is also the same thing as the older TYT TH9000 UHF, which is on the Chirp list.


Good info. Do you know if the LT-590 is close enough to program as a TH9000 in Chirp?

#40 Jones

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Posted 11 November 2018 - 07:51 PM

Good info. Do you know if the LT-590 is close enough to program as a TH9000 in Chirp?

I do not know, and I do not own an LT-590, (nor a TH9000) but I would certainly be interested in finding out.  The radios look identical inside and out.  There are also VHF versions of each.  The TYT units have been discontinued, but I really think they live on under this Luiton brand name.

 

They must come from the same factory... just look at the difference in the quad-band units the TYT TH-9800 and the Luiton LT-9900 - same thing.

 

Does anyone here own an LT-590? If so, try using Chirp to read it as if it were a TYT 9000, and see if it works.  Inquiring minds want to know.  Bigger question, does anyone want to blow $25-30 on a cable for an LT-590 and try it on a Midland 400?  RT systems says the same "USB-29A" cable works on both the TYT and the Luiton, so... maybe on the Midlands?   Of course, if you can, and do re-program the Midlands, they are no longer type accepted.


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