Specifications29• Consult your local RadioShack store or an experienced radio/TVtechnician for help.• If you cannot eliminate the interference, the FCC requires that youstop using your Weatheradio®.Changes or modifications not expressly approved by RadioShack maycause interference and void the user’s authority to operate theequipment.SPECIFICATIONSFrequency CoverageChannel 1 .............................................................................162.400 MHzChannel 2 .............................................................................162.425 MHzChannel 3 .............................................................................162.450 MHzChannel 4 .............................................................................162.475 MHzChannel 5 .............................................................................162.500 MHzChannel 6 .............................................................................162.525 MHzChannel 7 .............................................................................162.550 MHzReceiving Sensitivity (12 dB SINAD) ...............................................0.3 uVFIPS Code Sensitivity @ ±4 kHz Deviation/ 100% Success Rate...0.3 uVSignal to Noise Ratio ........................................................................45 dBChannel Selectivity ............................................................±25 kHz, 50dBAudio Output Power (With 9VDC):Maximum...............................................................................250mWAt 10% THD ..........................................................................200mWPower Source .............................................................. Regulated 9V DC,300mA, Positive(+) Tip AC AdapterUse of any other power source may cause damage.Battery Back-up ............................................................One 9-Volt BatteryAntenna ............................................................ Telescoping Rod AntennaDimensions (H x W x D) ...............................................4 1/3 x 6 1/8 x 1 2/3 inWeight (not including 9V battery) ...................................... 10.69oz (303g)