Versatility & Capability not desirability
Whatever one You choose, make sure the antenna comes off and a coaxial cable adapter can be placed on, and with a length of coax, a vhf switch You now have the ability to reach farther, because you're using Your mast antenna which is located about 40 above your head not 4" above you ear, the cost: an additional $35.00, why would you need it, well if your base unit craps out or gets hit with a jolt from the heavens, you have the ability and versatility to hook it up and reach up to 25 miles with the portable, which as a hand held cand only pick up about 7 miles.