The Lectrosonics AMJ Color Coded Whip Antenna for Lectrosonics Belt Packs is a color coded antennas for UM belt packs, newer SM series belt-pack units and also newer SR receivers. Construction is of nearly indestructible steel wire rope with a Standard male SMA stainless steel connector. The block is selected by the user and the antenna is cut to an included template's recommended length. Rugged wire cutters are required. Multiple color coded caps are included. The AMJ antenna is a general purpose design for any Lectrosonics receiver or transmitter with a standard SMA connector. The hinged joint pivots in both directions for positioning the whip at any desired angle.