Description
Attendance Unit Microphone
Parameter
Technical specifications of attending unit microphones
◆ Working power supply: DC 3.7V --4.5V
◆ Power consumption: standby ≤ 360mW, speaking state ≤ 630mW
◆ Working temperature -10 ℃ -40 ℃
◆ Mic pole length: 202mm
◆ Size (W x H x D): 170mm x 58mm (excluding microphone) x 120mm
◆ Weight: 0.6 kg
Audio channel
◆ Communication method: UHF wireless mode (unidirectional)
◆ Number of channels: 5 channels (1 represents unit channel, 4 represents unit channel)
◆ Frequency range: (frequency range from 610MHz to 664.75MHz available for selection)
◆ Modulation method: FM
◆ Maximum modulation amount: 60K
◆ Radiation power: ≤+9dBm
◆ Frequency deviation:<0.002
◆ Reference speaking distance: 10cm --30cm
control channel
◆ Communication method: Wireless (bidirectional)
◆ Number of channels: 16
◆ Frequency range: 422.4MHz to 439.4MHz
◆ Modulation method: FSK
◆ Receiving sensitivity: -100dBm
◆ Radiation power: ≤+6dBm
◆ Frequency deviation:<0.002
* Page content update time:07-13-2024,The relevant information on the website is for reference only. All products are subject to physical inspection and are subject to change without prior notice.