Have cs 24' foxpro, likes its features, range has neve been a problem although i dont try to stretch much oast 100. I likre the remote although the key pad is a problem of being intermittent in below 20f. It has been to foxpro several times for,that reason . The adhesive cover on the keypad is aggravated in cold weather. The colder it gets the worse it is. Keeping it warm in coat or with a handwarmer does generally eliminate kthe issues. Sounds are clear and loud. Call speaker is very compact, batterry life is a full day. 6 hrs running.. Longer at lower volumes. I recharge every nite. It is loud enough i keep out from in front of it when it plays. Remote battery life is days, very low power usage. I have no experience with the wildlofe technologies products,they look very interesting, some claims they make seem to be rather optimistic. Guaranteeing coyotes will respond to their howler 100 %seems a stretch.i don't think anything about a coyote can be a guarantee.