RF remotes generally work this way: The originating signal is sent from the remote as RF (radio frequency.) In the case of the MX-950 in my theater that's 418MHz, a very stable and reliable frequency band.
By nature, propane is clear and contains no scent at all. For safety purposes propane. companies add a substance known as ethyl-mercaptan to the propane fuel. Ethyl-. mercaptan has a strong rotten egg, or skunk-like scent, which allows the consumer to. smell it in the case of a leak.
Generally the smell you have smelled of 'poop' or other 'gas' smells is due to an additive such as methanethiol, which is added to gases such as propane and methane in order to alert people when there is a leak. am not looking for poop or whatever, I am talking about methane that is natural. Source(s): methane smell like: https://tr.im/Mxug2.