in-ear monitor system, E-range (821-832 MHz/863-865 MHz) EU license free
twin in-ear monitor system, A-range (516-558 MHz BE)
twin in-ear monitor system, B-range (626-668 MHz NL)
in-ear monitor system, A-range (516-558 MHz BE)
in-ear monitor system, B-range (626-668 MHz NL)
