3M E-A-Rfit Dual-Ear 1/4-20 to 5/8-27 Speaker Stand Adaptor 073-096 UU009685304 Amateur radio (2-meter band 144-148

Amateur radio (2-meter band 144-148 MHz)

1x GNSS Mounting Direct (Stud) Mount Cellular Port Frequency (MHz) 644-960

Level Dependent Functionaility

High Frequency Mount White Papers

3M E-A-Rfit Dual-Ear 1/4-20 to 5/8-27 Speaker Stand Adaptor 073-096 UU009685304 Amateur radio (2-meter band 144-148Speaker stand adapter for use with 3M E A Rfit Dual Ear Validation System Adapter has 5 8 end to attach to black speaker stand and end to screw into bottom of speaker 3M PSD products are for occupational use only. NOTE: 3M strongly recommends fit testing of hearing protectors. Research suggests that many users will receive less noise reduction than indicated by the NRR due to variation in hearing protector fit, fitting skill and motivation of the