living stream video duplex meeting IR megaphones wireless conference microphone system


Spec of living stream video duplex meeting IR megaphones wireless conference microphone system

Duplex meeting Infrared chairman & delegate microphone: OBT-6688C, OBT-6688D

Technical indicators of microphones in attendance unit

• Built-in hi-fi speakers

• Power supply: DC12V

• Power consumption: Standby ≤ 360mW, speech ≤ 630mW

• Operating temperature -10ºC -- 40ºC

• Length of the rod: 400mm

• Dimensions (W×H×D) : 170mm×5.8mm (excluding the microphone) ×120mm

• Weight: 0.6kg



Audio channel

• Communication mode: UHF wireless mode (one-way)

• Number of channels: 5 (1 chairman cell channel, 4 for cell channel)

• frequency range :(500MHz - 950MHz range is available)

• Modulation: FM

• Maximum modulation: 60K

• Radiated power: <=+9dBm

• Frequency deviation: <0.002

• Reference speech distance: 10cm--30cm



The control channel

• Communication mode: wireless (two-way)

• Number of channels: 16

• Frequency range: 422.4mhz -- 438.4mhz

• Modulation: FSK

• Receiving sensitivity: -100dbm

• Radiated power: <=+6dBm

• Frequency deviation: <0.002

Our service