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Frequency Coverage Tx Rx Weather A24 118.000-136.975 MHz 108.000-136.975 MHz 161.650-163.275 MHz A6 118.000-136.975 MHz 118.000-136.975 MHz 161.650-163.275 MHz Mode WX AM ( 6K00A3E) FM ( 16K0G3E) Channel spacing 25 kHz No. of memory channels 200 ( 20 Channels X 10 banks) Power supply requirement 7.4/ 7.2V DC ( Battery pack) 11.0V DC ( External DC jack) Current drain ( at 7.2 V DC) Tx Rx Max. audio Rx Stand-by 1.5 A typical 300 mA typical 70 mA typical Frequency stability  ± 5 ppm Operating Temperature Range -10 ° C to + 60 ° C; -14 ° F to + 140 ° F Dimensions ( Wà — Hà — D) ( projections not included) 54( W) x 129.3( H) x 35.5( D) mm; 21/ 8( W) à — 53/ 32( H) à — 113/ 32( D) in Weight 430 g; 15.2 oz ( with antenna and BP-210N) Antenna connector 50Î © BNC type Transmitter Output power ( at 7.2 V DC) 5.0 W typ. ( PEP) 1.5 W typ. ( CW) Modulation system Low level modulation Modulation limiting 70-100% AF harmonic distortion Less than 10% ( at 60% mod.) Hum and noise ratio More than 35 dB Spurious emissions More than 46dB ( Except operating freq.  ± 62.5 kHz point) Microphone impedance 3-conductor 2.5 ( d) mm ( 1/ 10â € ³ ) / more than 100kÎ © Receiver Intermediate frequency 1st 2nd 30.05 MHz 450 kHz Sensitivity ( typ) VOR ( AM 6dB S/ N) COM ( AM 6dB S/ N) WX ( FM 12dB SINAD) Less than 0.71  µ V Less than 0.5  µ V Less than 0.22  µ V Selectivity More than 7.5 kHz/ -6 dB Less than 25 kHz/ -60 dB Hum and noise ratio More than 40 dB Spurious response AM FM More than 60 dB More than 30 dB Audio output power More than 500mW typ. with an 8Î © load, 30% modulation Ext. speaker connector 3-conductor 3.5 ( d) mm, ( 1⠁ „ 8â € ³ ) / 8Î © All specifications are subject to change without notice or obligation. Supplied Accessories Battery pack, BP-210N or battery case, BP-208N* Belt clip, MB-103 Carrying case, LC-159* Wall charger, BC-110AR/ DR* Headset adapter, OPC-499* Antenna, FA-B02AR Handstrap