• UHF intelligent wireless audio transmission technology features stable and high interference-free performance 
• Advance frequency scan function features automatic and fast interference-free frequency selection 
• Built-in digital frequency assignment system provides more than 100 sets system for engineering installation 
• Infrared frequency synonization technology, LC-display on receiver and transmitter for easy and convenient operation 
• Transmitter is powered by 2pcs 1.5V batteries for easy replacement 
• Balanced and unbalanced output on receiver for convenient connection with various equipments 
• Long operating range up to 50 meters 
• Transmitter housing are treated with alloy oxidation for high ruggedness and against corrosion

System Specification:
• Frequency Range: 740 ~790MHz
• Adjustable Range: 50MHz
• Frequency Spacing: 250KHz
• Number of Channels: 200
• Frequency Steadiness: ＜±0.005%
• Max. Frequency Deviation: ±45KHz
• S/N Ratio: ＞105dB
• Operating Temperature: -10℃~+40℃
• Dynamic Range: 100dB
• Audio Response: 80Hz ~ 18KHz (±3dB)
• THD: ≤0.5%
Receiver Specification:
• Receiver Mode: Double conversion superheterodyne
• Intermediate Frequency: First: 110MHz, Second: 10.7MHz
• Sensitivity: 12dB u V (80 dB S/N)
• Sensitivity Adjustment Range: 12-32dB u V
• Spurious Suppression: ≥75dB
• Wireless Interface: TNC/50Ω
• Max. Output Level: +10dBV
Transmitter Specification:
• Output Power: ＜10mW
• Power Supply: 2pcs AA battery
• Spurious Suppression: -60dB
• Playtime: ＞10hrs