Features. Replacement metal telescopic antenna for use with Grain Valley Long Range antenna with grip GVLRAnt or Garmins Portable Long Range GarLRAnt.. This sturdy antenna is a convenient 8.5 inches when folded but extends to 42.5 inches when hunting conditions require maximum range. Features a rubberized flexible base that provides enough give to help protect your antenna during demanding conditions.. Note this antenna cannot be connected directly onto a Garmin Handheld - it is intended to be used as a replacement for either the Grain Valley Portable Long Range Antenna GVLRAnt or the Garmin Portable Long Range Antenna GarLRAnt.