Decent reciever would be something like a cobra 29 or uniden 78-- the smaller cobra 25 or uniden 68
Audio makes a big difference when your legal- tone, quality, compression/expansion, mic gain-- a higher pitched, crispy, clear signal travels far and cuts through the static good-- especially with enough mic gain to keep all the modulation at 100% no matter how low or loud you talk-- just some ideas- audio is often overlooked