毒物年年有。。。
the aor ar-alpha takes professional monitoring to a new level. it is designed to meet the increasingly complex needs of monitoring professionals. continuous coverage from 10 khz to 3.3 ghz. digital signal processing is employed at both the if stage and demodulating stage. fast frequency processing is achieved by means of fft. dual communications ports on the back panel support both rs-232c and usb connection. modes of reception include: wfm (in stereo selectable de-emphasis), nfm, am (synchronous am, diversity synchronous am), isb, rzssb, usb, lsb, cw, p25, tv (fm, am ntsc/pal). a wide range of if filters are available: 200 hz, 500 hz, 3 khz, 6 khz, 15 khz, 30 khz, 100 khz, 200 khz, 300 khz. a stunning 6 inch diagonal high resolution tft color display supports spectral display (with water fall) as well as tv reception. the spectrum display can show up to 100 mhz of bandwidth! operating on both 12 vdc and 120 vac, this 19 inch wide radio can be employed in both base and field environments. the back panel features two antenna inputs: ant 1 (n), ant 2 (so239). there is 10.7mhz (bnc) output jack. other jacks include: af out right and left (rca), mute (rca), external speaker (3.5mm mini) and accs. 2.
