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Very true, but the OP was posted in the Amateur Radio (Ham) section of the forums.

Hi Jason, welcome to the forum. Midland radios are tough to use on gmrs. They are narrow band. They do not support split pl tones. I have 2, a 275 and a 400. Midland decided to make them the same as their handhelds. Most repeaters you will find are wideband. They will also support split pl tones, Midland will not. I also have a baofung hand held, its not a bad radio, people here will say otherwise. My advise to you is to read every post about ccr radios (Cheap Chinese Radios) and decide from an informed view point AFTER you have read their input!

I hear DTMF tones all over Nebraska on MURS. I looked into it a year ago, and found out that several farms in the area use MURS for a remote monitoring and telemetry system for their crop irrigation systems and water wells. There is also at least one company making MURS remote alarm systems for farm buildings and gates. MURS is legal for all of those kinds of things, so that's likely what you're hearing. Most people using MURS for these types of operations do not even know what frequency or band they are using. All they know is that they purchased this wireless thing that lets them know back home when someone opens the pasture gate, and they have another wireless thing that tells them how many gallons per minute the pump is flowing.