| SPECIAL FEATURES | 2.000 IN. LG,1.870 IN. W,1.560 IN. H;50 AND 5600 OHMS SOURCE IMPEDANCE;20,000 AND 100,000 OHMS LOAD IMPEDANCE;935 CENTER FREQ;75 BAUD NOM KEYING RATE;PLUG-IN MTD;EMPLOYS A PHASE SHIFTING NETWORK AND A LOW PASSFILTER TO DEMODULATE A FREQ SHIFT KEYING SIGNAL |