The versatile Nec Full Duplex Speakerphone Adapter HFU-U (WH) UNIT (770200) with AC Power Supply ACA-U UNIT (770310) for the Nec Neax 2000 / Neax 2400 Dterm Series E & Electra Elite Product Families. This unit is installed beneath the Digital Telephone and adds Full-Duplex capability to the Speakerphone. Following is a list of the Digital Telephone that is compatible with this adapter: 

• DTU-8-1 (WH) TEL
• DTP-8-1 (WH) TEL
• DTU-16-1 (WH) TEL
• DTU-16D-1/2 (WH) TEL
• DTP-16D-1 (WH) TEL
• DTU-32-1 (WH) TEL
• DTU-32D-1/2 (WH) TEL
• DTP-32D-1 (WH) TEL

It will also work with black telephones; however, the color of the module is white.

Requires A AC Power Supply ACA-U UNIT (770310)

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