Question about Motorola Talkabout T5500 (7 Channels) 2-Way Radio

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Modify a motorola T5500 to work in different frequency

Is there a way to modify the circuit of a MOTOROLA Talk About T5500 to make it work in a different frenquency. Trying to create "safe" and unique frequency avoiding interference by many similiar radios being used in the same area and just the modified pair can use this frequency safely in a noisy environment? without losing talk range?

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Sorry. The MHz of your radio cannot be changed. And there are no "private" frequencies available for use. However, your radio is equipped with this in mind.

There are 22 frequencies built into the T5500, along with 38 Interference Eliminator Codes. The two combined offer you over 836 choices to avoid other people. And if this is not sufficient, they also have the capability Qt filtering.

Page 19: Interference Eliminator Codes
Page 21-22: Qt Filter

Posted on Apr 17, 2009


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1 Answer

T5603 and t5500 compatibility

No. The T5603 is a version of the TalkAbout made for use outside the USA, and has preprogrammed frequencies (possibly PMR frequencies for the UK) which differ from the FRS/GMRS frequencies in the T5500 made for use in the USA.

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Will the t5500 work with the t5920?

Yes, the two radios, if both produced for use in the USA, will work together. You will need to see the frequency, code, and Qt filter, if any, to the same settings as one another. For ease of use, set the code and Qt filter to off (zero) for basic communications. Then you will only be choosing a number for your frequency. Here are the user guides for each:



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change their chanel and sub chanels as well they both should be the same..

Jan 19, 2012 | Motorola Talkabout T5500 (7 Channels)...

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How can i change u.s. motorola radio frequency to u.k. frequencie

Sorry, but the freq range of these radios cannot be reprogrammed.

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Mar 19, 2010 | Motorola Talkabout T5500 (7 Channels)...

1 Answer

I have a pair of motorola t5500 one of them will not talk to the other . one works fine and you can talk into it and hear from the other but the 2nd one when I press the button and talk you hear nothing...

Change your CODE to be zero on the 2nd unit. Here is a link to the user guide:

If this doesn't solve the problem, check the frequency, code and Qt filter to be certain they are all set the same. Lastly, switch the battery packs between the units and see if the problem moves to the other unit. It takes more energy to transmit than to receive.

Best regards.

Jan 16, 2010 | Motorola Talkabout T5500 (7 Channels)...

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Hi, i bought a Motorola CP200 radio and realised that it didnt work with my Motorola Talk-abouts! now i know that there is a programming that i need to operate with!!! so my question can i know...

Take it too radio-shack and ask the salesman to try out a frequency meter to get the freq. you can get programming help by contacting motorola direct...1-800-638-5119

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Can nice motorola GP340 talk to an FRS/GMRS w/ interference code?

If your GP340 is a UHF model, YES, you can have it programmed to match your TalkAbout radios. And yes, the GP340 has programmable privacy code capability.

If you do not know if your GP340 is VHF or UHF, you can tell by looking the model number, it will contain the following pattern: __H25RCC4AN3__. UHF models will have the letter R after the "25". VHF models will have the letter K.

When you have your GP340 programmed, the power setting will need to be turned down to the appropriate level to match the TalkAbout radios. Both for legal reasons, and also to protect your TalkAbout radios. You will not want the powerful GP340 to overpower the PA (power amp) in your TalkAbout radios.

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1 Answer

Motorola T5500 Scanning problem

Most likely it is stopping at a channel which has RF (radio frequency) activity. The activity doesn't have to be another radio with someone talking. It could simply be something transmitting on the same MHz. The only way to know for sure is to try the radios in a different location (as in moving away from the problem). If you want to avoid this "noise" you can turn on your interference eliminator, and it should block out anyone transmitting on the frequency (unless they set their interference eliminator to the same code as yours.)

If the noise continues when you try the radios in a different location (more than 5-10 miles away), then you will have to investigate a problem with the radios themselves.

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1 Answer

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Hello bella-9,

The T5500 is a 2 channel radio and the T5725 is a 14 channel radio. However, the radios should be compatible with each other on FRS channels 1-14 as long as both radios are using the same Quiet Talk code. If the Quiet Talk settings are different the radios will not be able to communicate with one another.

Assuming all settings are the same (as you say) and the units are within range of each other (typically less then a mile over clear, level terrain) they should work just fine.

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No, you cannot operate to other frequency coz your unit has a fixed frequency.The power output should be the same,What is that KL1DB?

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