PMAD4117A For XPR 3300, XPR 3500, XPR 7350, XPR 7380, XPR 7550, XPR 7580
VHF HELICAL ANTENNA (136-155 MHZ)
This is a VHF/GPS helical antenna for the 136-155 MHz range. Note the XPR 3000 series radios do not have GPS capability, but still use this antenna.