Base station with 100mW burst transmit power, triple diversity design transmits the audio signal twice, at different times and frequencies and selects the strongest signal from two different antennas for uninterrupted communication. Flexible power options enable the MB300 base station to operate on 100-240 VAC, 12-14 VDC, 1.5V AA batteries or an optional rechargeable BAT850 battery. Simple system expansion with a standard data cable enables connection of multiple MB300 base stations to accommodate expanding production crew requirements. Auxiliary input and output, ten-pin terminal strip connector for easy connection to four-wire intercom systems. External interface required to connect into two-wire systems. Dedicated channel relays, each channel has a dedicated relay. Remote users can activate either one or both simultaneously. Fast, easy set-up for strategic relocation, highly portable and very quick to set up and operate. Compatible configuration, easily configured to operate with almost any base radio or four-wire intercom. Available with any combination of Communicator®s, BP300 beltpack or the WH300 all-in-one wireless headset.