EICO Model 369 Sweep Marker generator Features marker adder. 5 sweep ranges, 3 to 220 MHz. 3 marker ranges, 2 to 75 MHz on fundamentals; 60 to 225 MHz on harmonics. 4.5 MHz crystal. Blanking. 3 stage AGC. Output: 50 ohms. Cabinet Size: (HWD) 8 1/2" X 12 1/2" X 7" Weight: 18 lbs $99.95 (1970)