Question about Motorola Talkabout T5720 (7 Channels) 2-Way Radio

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Comms problem between motorola t5522 and t5720

I have a pair of t5522 which have always received signal from other handsets and models if on the same frequency. I have recently gained 2 new t5720 and have problems communicating between models. If both t5720's are on then a t5522 will be able to receive but not send unless I turn on the other t5522. This problem also occurs vice versa. Any ideas?

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Are you sure both radios has the same Squelch Code and QT?

Posted on Jul 09, 2007

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Like Nero said..... check that both the raios are using the same tones

Posted on Jul 10, 2007

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1 Answer

Why is not possible to communicate from T5720 talkabout to T5422 talkabout?


The two radios share no frequencies in common. The T5720 has the US frequencies classified as FRS and GMRS, between 462-467 MHz. The T5422 has the UK frequencies classified as PMR and dPMR which are in the 446 MHz range.

A list of UK frequencies can be found in this forum: http://www.transmission1.co.uk/forum/viewtopic.php?f=4&t=23400

Best regards.

Oct 01, 2012 | Motorola Talkabout T5720 (7 Channels)...

1 Answer

I have 2 SX709 handsets. When set to a number other than zero (on any channel) they communicate between each other well, but can't receive transmission from other sets. When set to zero, they will receive,...


Sounds like a receive sensitivity issue. The radio you have with the static is likely very sensitive to other RF (radio frequency waves) in the area. Turning on the interference eliminator code (setting it to a number) blocks out this unwanted noise. This radio is not repairable, and there is no fix for this problem. The only fix would be to set the "other sets" to have the same code.

best regards.

Mar 14, 2011 | Motorola Talkabout T5720 (7 Channels)...

1 Answer

I have a new T5728 talkabout. My friends have T5720. When I bought my T5728, I thought that it would connect to any motorola talkabouts, assuming that we are on the same channel.. However, I was...


Unfortunately the T5728 is not compatible with the US FRS (family radio service) frequencies. The T5728 operates between 409-410MHz. The FRS radios operate between 460-470 MHz. FRS frequencies are license-free frequencies for use in the US, as regulated by the FCC. Other countries have differing rules and thus their frequencies assigned to family usage differ. Best regards, and sorry we could not help.

Dec 15, 2010 | Motorola Talkabout T5720 (7 Channels)...

1 Answer

Frequency range


The T5720 has
- 7 GMRS/FRS 1 watt Channels
- 7 FRS 1/2 watt Channels
- 8 GMRS 1 watt Channels
All of these frequencies are between 462-467 MHz. There is a list of the specific frequencies assigned to each channel on page 19 of the user guide. Here is a link http://www.giantintl.com/RadioPDFs/Outdated%20Manuals/T56XX_57XX_User_Manual_E.pdf

Best regards.

Jun 16, 2010 | Motorola Talkabout T5720 (7 Channels)...

2 Answers

I have two motorola Talkabout T5720. Identical models, identical s/n, but they don't work as a pair. When set to the same channel and same code...or even when theres no code encryption selected, they wont...


One further thing to check would be the Qt filter.

If the frequency, code and Qt filter are all set alike, and the radios still do not function together, you likely have a defective radio. The only way to determine if one is bad is to introduce a 3rd radio into the group, and the bad radio will be apparent right away.

Best regards.

Feb 19, 2010 | Motorola Talkabout T5720 (7 Channels)...

2 Answers

How to get a Talkabout T5720 to communicate with a


The frequency range and operatngmode of the two radios are compatible. To get the Radius operating on a GMRS channel you'll need a Motorola programming cable and software, OR a trip to a Motorola dealer for frequency programming. Considering the cost involved, the 2-watt output of the Radius, and the 1-watt output of the Talkabout, you would be better off performance and cost wise buying a pair of 5-watt GMRS portables.
BillB

Jan 11, 2010 | Motorola Talkabout T5720 (7 Channels)...

1 Answer

I have a TLKR-T3 and a T5720 radios. can they communicate? Thanks


No, they have no frequencies in common. The TLKR-T3 uses the PMR446 frequencies common in Europe. The T5720 uses FRS freqeuncies common in the USA.

Dec 19, 2008 | Motorola Talkabout T5720 (7 Channels)...

1 Answer

Talkabout T5720 Frequencies


Hello Ruaal,

The frequencies in the TalkAbout T5720 are not adjustable. The radio operates on the designated Family Radio Service channels located at 462 and 467 MHz. There is no way to change these channels to be at 463 and 464 MHz.

Best regards,
Ken
Go Ahead. Use Us.

May 14, 2008 | Motorola Talkabout T5720 (7 Channels)...

2 Answers

Problem transmitting


Hello jayhawkrx,

Check the Continuous Tone Coded Squelch (CTCSS) settings on all the radios. (Note that some manufacturers refer to this feature as a Privacy Code or Quiet Code. The actual name of the feature may vary.) This feature encodes a low-frequency signal on your radio transmission. This signal is below the range of human hearing but can be detected by other radios. When the CTCSS feature is active your radio will ignore any signal that it receives that does not have the proper tone encoded on it.

In order for these radios to communicate, all of the radios need to be on the same channel and have the same CTCSS code programmed or the CTCSS feature must be disabled.

I suspect that CTCSS is activated on one of your radios but not on the other. This would result in the situation you describe.

Also take note that when using different brands / models of radios to communicate with one another that the CTCSS code numbering scheme may not necessarily be the same from radio to radio. For instance, CTCSS code 4 on the Motorola TalkAbout series actually corresponds to code A on the Motorola Sport models.

Best Regards,

Agent Ken
Go Ahead. Use Us.

Mar 09, 2008 | Motorola Talkabout T5720 (7 Channels)...

1 Answer

Two way radio cross model compatbility


Hi,

Normally yes just as long as the frequency assignment to each channels are the same and no security/locking (such as (CTSS) is in place.

You have to check if the frequency settings of the Motorola matches those of the uniden.

Good luck and kind regards.

Oct 23, 2007 | Uniden GMR638-2CK (22 Channels) 2-Way...

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