Transmitter:

Operating Voltage: 28VDC/12VDC

Current Drain: 1500mA/150mA

Pulse Width/Code Period: 1.2uS/25uS

Sub-carrier-PPM Spectrum: 300~900KHz

Input Impedance (Audio In): 18Kohm

Input Impedance (MIC In): 1.3Kohm

Input Level for Audio In LED on: 80mV

Input Level for MIC In LED on: 1mV

ALC Range @ +/-3dB (Lower): 120mV

ALC Range @ +/- 3dB (Upper): 5V

Carrier wave-length (infrared): 850nm

Operating Voltage: 3V (2XAAA)

Current Drain (Max. Signal): 25mA

Battery life (typical): 40 hours, Alkaline

T.H.D.: <2%

Maximum SPL.@ 1.5%THD: 115dB

Frequency Response: 50HzÑ5KHz