We dropped one of our 3-pack of Uniden GMR638 2-way radios in a puddle of water. We tried a new battery, but It seems to have given up the ghost. Can you tell me which other numbers might fit into this recharging cradle or where we might buy 1 of the radios?
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Re: Dropped it in the water
It does not appear (based on the manufactuer's website) that the charging cradle for the Uniden GMR638 is compatible with any other radio models.
You may not be able to purchase another GMR638 if you only want a single radio to replace the one that was dropped. The current trend is for manufacturers to bundle consumer two-way radios in packs of two, three or four since most users do not purchase single radios.
If you definitely want to get the exact same model you might have to either purchase another two-pack or contact the manufacturer directly to see if they have single units available. Otherwise, any 22 channel FRS/GMRS combo radio should be able to communicate with your Uniden radios.
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You could try taking out the batteries and putting it in rice for a couple of days and see if that helps.
I got one of my Motorola 2-way radios wet and after I dried it out everything seemed to work except the microphone; my suspicion is that the transducer needed to be replaced but I found that I could get used Motorola 2-way radios on eBay inexpensively enough that it made more sense to buy some of those than it did to try to repair the radio I got wet.
If you think you might be prone to dropping your two-radios in the water in the future, Motorola makes some two-way radios that are waterproof.
You are describing an open squelch. If this unit has a squelch control, adjust it until it quietens.
If the battery voltage drops below a certain point, it won't squelch. That could be caused by a battery that needs to be charged or a bad battery that won't charge up correctly.
Says they can rebuild the battery pack or sell you new cell insert. Might give them a try - I'd prefer to just get the cells and do it myself but I can't figure out how to open the battery pack without wrecking it.