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<br /> Bridging devices in dispazate bands Page 3 of 5 <br /> arr.:, <br /> 4' i <br /> wFlFr~db #i9~ ~ <br /> r~?.Sai~tai"dl~, <br /> ':~Y:i +r rrr yy'i .r'w w,L«.rr R. <br /> - ,s; <br /> ~ ~ <br /> i 4F~ ~({MNt t <br /> R8~0 ! r RBE~D <br /> 1 r IIABIF <br /> ~ 1 <br /> t 'i' l~' <br /> f t <br /> l ` ~ <br /> . y ~ 'r aw +w rip; lii w iiv ++wr+M? <br /> As shown in Figure 2, the audio output of the VHF transceiver in the translator is fed to the exciter <br /> input of the 800 MHz transceiver. The control circuitry keys the 800 MHz transceiver, thus transmitting <br /> the signal to the 800 MHz mobile relay station. The 800 MHz mobile relay station then retransmits the <br /> 800 MHz signal to the 800 MHz mobile (or portable) radio transceiver. The signal follows the path of <br /> the blue arrows. When the 800 MHz mobile transceiver is transmitting, the reverse operation takes <br /> place, and the signal follows the path of the red arrows. <br /> Figure 3 shows another setup in which the translator is the only bridge between the 800 MHz radio and <br /> the VHF radio. The 800 MHz mobile relay station is omitted from the loop. It is important to note that <br /> the translator setups described above will only work on conventional 800 MHz frequencies. <br /> http://iwce-mrt.com/microsites/magazinearticle.asp?mode=print&magazinearticleid=198420... 6/24/04 <br /> <br />