multiband
/ˈmʌltɪbænd/Definitions
1. noun
a radio receiver or transmitter that can select and receive or transmit signals on more than one frequency band
“The radio station uses a multiband transmitter to broadcast on multiple frequencies.”
2. adjective
relating to or using a radio receiver or transmitter that can select and receive or transmit signals on more than one frequency band
“The multiband amplifier is designed to work with various types of audio equipment.”