SPECIFICATIONS:

A. Overall System:

• Oscillation Mode: Quartz Controlled.
• Carrier Frequency Range: 179.0 MHz & 181.6.
• Frequency Stability: 30ppm.
• Audio Dynamic Range: >100dB.
• S/N: >100dB.
• Frequency Response: 80~20000Hz (±3dB).
• T.H.D: ≤0.5%.
• Operating Distance: 30m.
• Operation Temperature: -20T51;~50T51;.

B. Receiver:

• Sensitivity: 6μV at S/N =20dB.
• Mirror Image Rejection: >50dB.
• De-emphasis: 50μs.
• Audio Output Level: 6Vp-p.
• Audio Output Impedance: 1K ohms.
• Power Supply: DC18V/200mA.
• Power Dissipation: <800mW.

C. Microphone:

• Mike Capsule: Dynamic Microphone.
• Pre-emphasis: 50μs.
• Antenna: Built-in housing.
• RF Output: <10mW.
• Spurious Emission: >40dB.
• Power Supply: One 9V Battery.
• Power Dissipation: <250mW.