Foam: Width: 33 cm

TRX-Devices

ANR and Bluetooth connectivity bring top-of-the-line features to Sierra and a reversible headband design allows microphone placement on the left or right

More durable

No other headset has been able to match it in comfort

station database update entitlement 60 months air control display pneumatics Foam: Width: 33 cmUpdate entitlement for station database downloads as often as desired within a 60 month (5 year) period for a specific AIR Control Display (based on serial number). The display of COM station names and the NEAREST station function require a database. For safety reasons the database must be valid and up to date. The database is stored on a microSD memory card. In order to access the database, the card has to be permanently inserted into ACD 57. A