











K-2900 Digital Wired and Wireless Conference System
Technical indicators of attending unit microphones
◆Working power supply: DC 3.7V-4.5V
◆Power consumption: standby≦360mW, voice state≦630mW
◆Working temperature -10℃-40℃
◆Microphone length: 240mm
◆Size (W×H×D): 170mm×58mm (without microphone rod)×120mm
◆Weight: 0.6 kg
Audio channel
◆Communication mode: UHF wireless mode (one-way)
◆Number of channels: 5 channels (1 chairman unit channel, 4 representative unit channels)
◆Frequency range: (Frequency range is available in the range of 610MHz --- 664.75MHz)
◆Modulation method: FM
◆Maximum modulation volume: 60K
◆Radiation power: ≦+ 9dBm
◆Frequency deviation: <0.002
◆Reference speech distance: 60cm
Control channel
◆Communication method: wireless (two-way)
◆Number of channels: 16
◆Frequency range: 422.4MHz-439.4MHz
◆Modulation method: FSK
◆Receiving sensitivity: -100dBm
◆Radiation power: ≦+ 6dBm
◆Frequency deviation: <0.002
System total parameter index
◆Signal coverage: indoor radius of 60 meters (not including the use of antenna extenders or antenna amplifiers)
◆Audio frequency response: 50Hz --- 15KHz
◆Total audio gain: ≦20dB
◆Signal-to-noise ratio:> 85dB
◆Audio total harmonic distortion: ≦0.8%
Dedicated lithium battery (optional)
Special lithium battery functional characteristics
◆High energy density, miniaturization, light weight, and high safety
◆The life of lithium battery is generally 300~500 charging cycles
Dedicated battery charging box (optional)
Features of dedicated battery charging box
◆ Adopt AC110V~240V switching power supply for power supply.
◆ It can charge 16 dedicated lithium batteries at the same time.
◆ With intelligent charging management circuit, it can effectively protect the battery.
◆ Equipped with telescopic rods and pulleys for easy movement.
Technical indicators of attending unit microphones
◆Working power supply: DC 3.7V-4.5V
◆Power consumption: standby≦360mW, voice state≦630mW
◆Working temperature -10℃-40℃
◆Microphone length: 240mm
◆Size (W×H×D): 170mm×58mm (without microphone rod)×120mm
◆Weight: 0.6 kg
Audio channel
◆Communication mode: UHF wireless mode (one-way)
◆Number of channels: 5 channels (1 chairman unit channel, 4 representative unit channels)
◆Frequency range: (Frequency range is available in the range of 610MHz --- 664.75MHz)
◆Modulation method: FM
◆Maximum modulation volume: 60K
◆Radiation power: ≦+ 9dBm
◆Frequency deviation: <0.002
◆Reference speech distance: 60cm
Control channel
◆Communication method: wireless (two-way)
◆Number of channels: 16
◆Frequency range: 422.4MHz-439.4MHz
◆Modulation method: FSK
◆Receiving sensitivity: -100dBm
◆Radiation power: ≦+ 6dBm
◆Frequency deviation: <0.002
System total parameter index
◆Signal coverage: indoor radius of 60 meters (not including the use of antenna extenders or antenna amplifiers)
◆Audio frequency response: 50Hz --- 15KHz
◆Total audio gain: ≦20dB
◆Signal-to-noise ratio:> 85dB
◆Audio total harmonic distortion: ≦0.8%
Dedicated lithium battery (optional)
Special lithium battery functional characteristics
◆High energy density, miniaturization, light weight, and high safety
◆The life of lithium battery is generally 300~500 charging cycles
Dedicated battery charging box (optional)
Features of dedicated battery charging box
◆ Adopt AC110V~240V switching power supply for power supply.
◆ It can charge 16 dedicated lithium batteries at the same time.
◆ With intelligent charging management circuit, it can effectively protect the battery.
◆ Equipped with telescopic rods and pulleys for easy movement.