Features: 1.With 8 selectable channels (Dip Switch) 2.Transmit the crisp A/V signal with radio frequency 3.With 5.8GHz antennas embedded into housing 4.Remote control the A/V source with IR extender 5.Compatible with Camcorder or CMOS camera application 6.NTSC / PAL video format available. Specifications: ITEM501T501R 5.8GHz antennaDirectional flat antennaDirectional flat antenna 433MHz antennaExternal omni-directional antennaInternal Omni-directional antenna Transmit power17dBm(Typical)- Sensitivity--86dBm type Frequency band5.725GHz~5.865GHz5.725GHz~5.865GHz Channel Customer8 selectable channels8 selectable channels Input formatAvailable in NTSC or PAL- Output format-Available in NTSC or PAL Video input level1 Vp-p@75Ω- Audio input level1 Vp-p@600Ω- Video output level-1 Vp-p@75Ω Audio output level-1 Vp-p@600Ω Input / output ConnectorMINI DIN jackMINI DIN jack Operating conditionIndoor usage recommendIndoor usage recommend Remote control frequency433.92MHz433.92MHz IR carrier frequency32~38KHz32~38KHz Power Consumption9Volt DC, 300mA(Typical)9Volt DC, 300mA(Typical) Operating Temperature-10℃ ~ +60℃-10℃ ~ +60℃.