MB340ES 6/3/2019 Category: Products, DX Series Digital Wireless Systems, Base Stations, Wireless, DX340ES Digital Wireless Systems, Base Station Up to 4 full-duplex or 15 half-duplex beltpack and/or all-in-one headset users per base station Link two bases together to support a maximum of 30 users Single or dual-channel operation 7kHz wideband audios Lost packet concealment Better RF filtering than DX300ES Secure 64-bit encryption Dedicated channel relays 10-pin terminal strip connector for easy connection to 4-wire intercom systems Triple diversity (space, time and frequency) operation for extreme multi-path environments No frequency coordination or licensing for operation Power via 100-240 VAC, 12-14 VDC, 1.5V “AA” batteries or an optional rechargeable BAT850 battery