BS121 11/8/2017 RELATED PRODUCTS ProductsDX Series Digital Wireless SystemsBase StationsWirelessDX121 Digital Wireless SystemsBase Station RELATED MARKETS ProductsDX Series Digital Wireless SystemsBase StationsWirelessDX121 Digital Wireless SystemsBase Station 2.4GHz license-free operation 1 full-duplex and 3 additional push-to-transmit beltpacks Up to 8 systems can be linked together Interface option available to 4-wire intercom systems only Portable, compact design Built-in battery charger