Nady XR 62 Tru Diversity Wireless VHF Microphone Receiver land yacht These is used to mount Location:Upper These is used to mount the flat bar style window adjustment arms for late 1970s trailers that used a barrel shaped handle knob to the window frame The unit has a frequency response of 10 Hz to 20 kHz front mounted recessed antenna jacks for either onboard or remote antennas• Balanced microphone level XLR output and 1 4” adjustable line level output for maximum versatility• Easy access volume control for adjustable audio output• Mute (squelch) adjust control XR 62 RECEIVER• Dual receiver in a rugged single rack space metal housing• Dual antennas and Nady’s advanced DigiTRU Diversity™ digital processingcircuitry for maximum dropout protection and operating range• RF and AF 5 LED displays for monitoring incoming signal strength and audio level• Convenient