product manual
First, performance characteristics:
1、2-channel UHF wireless system, 100 frequency per channel;
2, equipped with LCD liquid crystal display, real-time feedback system working status;
3. Use digital code lock technology to effectively block the noise interference in the use environment;
4, using the latest infrared automatic frequency (IR) and automatic frequency selection (AFS) technology, set and operate more easily;
5, 2 microphones can be used interchangeably, hand-held tube with a metal appearance, durable, more stable performance, optional hand-held / lavalier / headset microphone;
6. Ideally, you can use more than 5 hosts simultaneously.

Second, system parameters:
1, comprehensive parameters
Frequency range: 740MHz-790MHz
Modulation method: FM
Number of channels: 200
Channel interval: 300KHZ
Frequency stability: ±0.005%
Dynamic range: 100db
Maximum offset: ±45KHZ
Audio frequency response: 40HZ-18KHZ(±2db)
Integrated signal to noise ratio: >105db
Comprehensive distortion: ≤0.5%
2, receiver indicators
IF: 110MHZ. 10.7MHZ
Antenna access: TNC/50Ω
Sensitivity: 12dBuV(80db S/N)
Sensitivity adjustment range: 12-32dBuV
Spurious suppression: ≥75db
Maximum output level: +10dbv
Power supply: DC 12V 400mA input
3, transmitter
Output power: High power 30MW, low power 3MW
Spurious suppression: -60db
Power supply: 2 5 AA 1.5V alkaline batteries
Battery Life: More than 8 hours of use during normal power transmission