The wireless PTT specially designed by utilizing the NFMI (Near field Megnetic Induction) technology has extremely strong noise cancellation ability. You need to match it with the inductive loopset before using it. Then they can be the attachment of radio.

Wireless PTT

Operation Principle:              NFMI

Battery Type :                      CR2450

Battery Operation Time :       half a year

Operation Range:                 <150cm

Volume adjustment:             Mute function+Adjustable receiving volume

Button life time:                   >100000 times

Stand-by current:                < 200uA

Operation current:               < 6mA

Low Battery Warning:           LED

Pairing method:                   manual operation