The REMOTE AUDIO ANSMARA : MIRACLE WHIP - RA SMA addresses the issues of breaks, bends and signal loss. The rugged antenna is intended for use with Lectrosonics belt-pack transmitters and can be literally trimmed to length for operation on all common UHF frequencies. Color coded caps are included and aid in distinguishing frequencies while using multiple systems. This antenna operates between 537-862 MHz band (blocks 21-33).