Also available is an optional 6-pin Hirose accessory interface that supports remote TX, Rx, and PTT. The Speaker Mic has full electronic accessory sensing that automatically disables speaker mic Rx and/or Tx when an appropriate accessory is connected. The Sword interfaces with the full line of Stone Mountain Omaha Rx, Tx, and PTT accessories.
Some optional features of the Sword Speaker Mic are Automatic Gain Control for adjusting microphone sensitivity in changing environments, a remote antenna in VHF, UHF, or 800 MHz frequency bands, Volume Control, Emergency Buttons, and 2.5/3.5mm remote Rx audio jacks. Intrinsically Safe versions of the Speaker Mic are also optional. The Sword is built to be fully field serviceable, comes with a 2 year warranty, and is engineered and manufactured in the USA.