USB Interface Unit.
Automatic Antenna Tuner with 100 memory channels.
Cooling Fan Base.
Supplied with SAD-11C power supply unit.
Quick release belt clip.
Quick Release Mounting Bracket for Mobile Transceivers.
Front Panel Vacuum Cup Mounting Bracket.
Voice Guide Unit.
Optional Bluetooth® unit.
High-Stability Reference Oscillator.
Mobile Mounting Bracket.
Side Carry Handle, suitable for FT450D, FTDX10, FT991, FT991A.