Question about Motorola T5710 (22 Channels) 2-Way Radio

2 Answers

Way off on Frequency

Have a pair of these T-5710 HTs and one of them is WAY off frequency and one is right on. Transmit on the correct channel 2 and the bad one receives a nice clean/clear transmission on channel 18 !! The same goes with other channels. I looked up the manual and there is nothing about doing a reset. Any input would be helpful as they are such cute little radios.

Thank You

Jack Gosselin
Seabrook, NH.
jajjg@comcast.net

Posted by on

2 Answers

Thank You, any help is appreciated. I am just wondering if they got mixed up at the factory, 1 American and 1 Export? We checked the bad one with a counter and it's in the ball park, some of the frequencies are actual FRS/GMARS and some are not. Coming from the hamfest I wonder if someone got in the bad one with the golden screwdriver? They were only $2 for the pair with charger, motorola batteries, extra faces and remote mics but I would love to get them channeled together. I don't dare open them or turn anything inside until I hear from someone who knows about them as I would hate to ruin one.

Jack

Posted on Oct 18, 2008

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  • Motorola Master
  • 1,640 Answers

Jack,

There is not a reset on this model. What you are experiencing comes by one of two ways:

1) The radio has a component going bad which affects the MHz you are transmitting on. (If so, you will need to live with it as long as it continues to work in some combination.)

2) If these radios have never talked to one another correctly, you may have one radio which is a "foreign" model. Some of these same radios are made for other countries with different channel configurations.

Unfortunately, with either cause there is nothing you can do to change the situation. If it works with one on 2 and the other on 18, you'll just have to go with it.

Sorry I could not bring better news.

Posted on Oct 17, 2008

  • eradiostore
    eradiostore Oct 19, 2008

    There is nothing inside this model of radio which is adjustable by a technician or an end-user. The frequencies are held in the microprocessor and cannot be changed. In your original post you indicated they worked if you set one to Ch 2 and the other to Ch 18. If this is true, then I would use those channels. If you are unable to both Tx and Rx using this method, then you need to check your Qt filter and your Interference Eliminator Code, and set both to 0 (zero). This will put you in open squelch mode, and if they are set to the same frequency (MHz) they will then communicate.



    If this doesn't work, at least you are only out the $2.

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