Motorola HAD4006 136-144 MHz 1/4 Wave VHF Roof Mount Antenna
Model Number: HAD4006
136-144 MHz, 1/4 wave, low profile VHF roof mount antenna.
This is a 136-144 MHz, 1/4 wave, roof mount antenna intended for customers who do not plan to use the GPS capability of the radio. The signals for these antennas radiate vertically, making them ideal for urban environments where buildings can obstruct the signal.