TOA Electronics TS-821 Chairman Unit for Infrared Conference System
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TOA Electronics TS-821 Chairman Unit for Infrared Conference System

$812.00
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TOA Electronics TS-821 Chairman Unit for Infrared Conference System The TS-821 is a Chairman unit of the Infrared Conference system. Since the system is cordless, it can be easily installed and removed. The Chairman unit features a priority speech key which allows it to take precedence over the TS-822 Delegate units when speaking. It can be operated on either the AD-0910 AC adapter or the BP-900A lithium-ion battery. It is equipped with a remaining battery indicator. Two types of dedicated microphones are made available for the TS-821 as optional products: the TS-923, TS-903 standard type and the TS-924, TS-904 long type. Technical Specifications Power Source 7.2 V DC (supplied from optional lithium-ion battery) 9 V DC (supplied from optional AC adapter) Current Consumption Max. 390 mA Wavelength 870 nm (AM: Brightness modulation) Modulation Method Frequency modulation Carrier Frequency Transmission Audio channel 1: 7.35 MHz Audio channel 2: 8.10

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