Motorola Original PMAD4012A: Stubby Antenna, 3.5" (9cm), VHF 136-155 MHz. These quarter-wave stubby antennas are ideal when radio is worn on the belt because the short antenna is non-obtrusive. Fits: EX500, EX600, HT1250, HT750 NOTE: You must know your radio frequency to order the correct antenna. To avoid confusion, for ordering purposes, the suffix letter after the stock number is not listed.