Wireless-Überwachungssystem

wireless monitor system's specification: FM STATIONARY TRANSMITTER: Operating frequency:500-980MHz Adopt CPU control With PLL combined technology With 32/64 channels for free selection and LCD display Frequency stability:+-0.002% With FM Max frequency adjusting:+- 45KHz RF output power:10mW/50mW/100mW Audio frequency response compression and auto electricity level control circuit. RECEIVER: Operating frequency:500-980MHz AF output voltage adjusting knob Frequency response:50Hz-15KHz+-3dB AF output change:earphone/line output Noise locked+pilot tone locked Power supply:2*AA batteries Standing time:about 8 hours Special charging hole