
UHF wireless short gooseneck chairman unit with FSK modulation, 2.4" TFT color display, supports 20 channels × 168 units, chairman priority function, short gooseneck design (30cm standard/200mm/280mm optional), built-in charging, 8-10 hours battery life, 60m coverage radius.
Parameter Specification Product Name Short Gooseneck Wireless Conference Microphone (Chairman Unit) Communication UHF Wireless Modulation FSK Carrier Frequency 640MHz - 690MHz Bandwidth 30MHz Max Deviation ±45KHz Harmonic Radiation < -65dBm RF Power Output 15mW Frequency Response 30Hz - 20KHz Transducer Type Condenser, Uni-directional/Super-directional Coverage Radius 60m (indoor) Reference Pickup Distance 30cm - 60cm Display 2.4" TFT Color, 240RGB×320DOTS Channels Up to 20 Units per Channel ≦168 Chairman Unit Priority function Volume Adjustment Individual control (optional) Microphone Shaft Length 200mm/280mm/30mm (standard); Gooseneck 420mm (optional) Unit Dimensions (W×D×H) 180mm × 120mm × 60mm (without shaft) Unit Weight (with shaft) 1.0 kg Battery Type 3 × 1.5V AA batteries / NiMH (optional) Current Consumption < 150mA Continuous Talk Time Approx. 8-10 hours Standby Time >20 hours Charging Function Built-in (requires dedicated charger and NiMH batteries) Operating Temperature -10℃ ~ 40℃
This short gooseneck wireless conference chairman unit operates on UHF band with FSK modulation, carrier frequency 640-690MHz, bandwidth 30MHz. Features condenser uni-directional/super-directional microphone element for clear vocal pickup with reference distance of 30-60cm. Equipped with a 2.4" TFT color display (240RGB×320DOTS) with high brightness, high contrast, and wide viewing angle—clearly displaying meeting mode, date, and unit identity. Silent touch buttons with no mechanical clicking noise, long lifespan, and waterproof design. Chairman unit with priority function to activate microphone or mute/deactivate speaking units, ensuring orderly meeting management. Individual volume adjustment per microphone. Supports up to 20 channels with 168 units per channel, frequency response up to 30Hz-20kHz across all channels. Compatible with control, recording, and camera tracking functions via optional software modules. Indoor coverage radius of 60 meters. Ultra-low power consumption with 10+ hours continuous talk time and 20+ hours standby. Built-in charging function—supports AA batteries with optional factory NiMH batteries and smart charger. Compact short gooseneck design saves desk space, ideal for executive meeting rooms, lecture halls, and other professional conference venues. Certified by nationally recognized third-party quality inspection authorities.