D tech dual hand

Dual hand held Dual Lavalier Dual Headset or any combination of the above Technical Specs Carrier Frequency range: UHF 470-928MHz Stability: ±0.005%(at 25?) Ambient Temperature: 10?±50? Normal Deviation: ±20 KHz Max Deviation: ±75 KHz S/N Ratio: T.H.D: Squelch: Tone control and noise lock dual squelch Frequency Response: 30Hz-20KHz Operating Range: 100m(approximately 300 feet under typical conditions) Receiver Receiving Mode: Quartz Lock Sensitivity: >-107dB Image Rejection: Over 90dB Audio Output: Balanced and Unbalanced Power Requirement: AC 110-120V/220-240V (50-60)External DC 22V 450mA Dimensions(W x D x H): 214 x 150 x 42mm Weight: Approx. 0.5kg Wireless Microphone Cartridge: Dynamic or Condenser Antenna: Built-in RF Output: Spurious Emissions: Normal Deviation: ±20 KHz Maximum Deviation: ±75 KHz Battery: two 1.5V AA battery or 1.2V AA rechargeable battery Battery Life: >8 Hours

Dual Channel Wireless System Dual hand held Dual Lavalier Dual Headset or any combination of the above Technical Specs Carrier Frequency range: UHF 470-928MHz Stability: ±0.005%(at 25?) Ambient Temperature: 10?±50? Normal Deviation: ±20 KHz Max Deviation: ±75 KHz S/N Ratio: T.H.D: Squelch: Tone control and noise lock dual squelch Frequency Response: 30Hz-20KHz Operating Range: 100m(approximately 300 feet under typical conditions) Receiver Receiving Mode: Quartz Lock Sensitivity: >-107dB Image Rejection: Over 90dB Audio Output: Balanced and Unbalanced Power Requirement: AC 110-120V/220-240V (50-60)External DC 22V 450mA Dimensions(W x D x H): 214 x 150 x 42mm Weight: Approx. 0.5kg Wireless Microphone Cartridge: Dynamic or Condenser Antenna: Built-in RF Output: Spurious Emissions: Normal Deviation: ±20 KHz Maximum Deviation: ±75 KHz Battery: two 1.5V AA battery or 1.2V AA rechargeable battery Battery Life: >8 Hours