The HME DX210 is a newly-designed, two-channel intercom system that has advanced the capabilities of the legendary DX200. The DX210's wired intercom interface is now compatible with Clear-Com's 2-wire systems, and provides two separate 2-wire and 4-wire interconnections. The powerful 1RU base station supports up to 16 full-duplex and 44 half-duplex beltpacks and/or wireless headsets by linking four base stations. The DX210 is paired with the rugged BP210 beltpack and All-in-One WH210 Wireless Headset COMMUNICATOR®s, which have two intercom buttons (IC1/IC2) with ISO. The system is also backward compatible with the DX200 COMMUNICATOR models such as BP200, WH200 and WS200 (Wireless Speaker Station).One of the features in the HME DX210 is a digital auto-nulling circuit, which allows users to eliminate the return audio of the wired 2-wire intercom automatically. The system offers 2-wire circuit protection to prevent feedback from un-terminated 2-wire channels. The DX210 also has an assignable AUX input for program. The DX210 allows for relay (GPO) actuation with ISO function from either base station or any one of the appropriately configured COMMUNICATORs. The DX210, as with all DX Series systems, features Spectrum-Friendly™ Technology to avoid frequency conflicts and Digital Frequency-Hopping Spread Spectrum (FHSS) technology for interference-free communication.