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Full duplex speakerphone
circuit boards
and applications)
User Programmable Function Keys With Red/Green LEDs
Protocol Support: 802
NEC HF-R UNIT ~ NEC External Full Duplex Black (Stock# 780133 ) NEW Network Injector Full duplex speakerphoneThe quality NEC HF R UNIT ~ NEC External Full Duplex Black 780133 provides full duplex speakerphone quality by providing an echo canceling circuit. Environmental conditions will determine performance. Each terminal with an HF R Unit installed requires power from an AC R Unit. The external MIC with Push to Mute LED is included with these units. Requires: 780109 AC R Unit. Features: Mfr. Part #: HF R(BK) Unit 780133 NEC External Handsfree Unit Provides
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