IG-5280 RF Oscillator The Heathkit IG-5282 Portable RF Oscillator provides AM modulated or un-modulated RF (radio frequency) signals. Five overlapping bands provide a wide range of frequencies covering the AM, FM, TV, LW, and SW broadcast bands. SPECIFICATIONS RF Output Signal Frequency Range . . . . . . . . . . . 310 kHz to 110 MHz in five bands (bands A through E) 100 MHz to 220 MHz (additional band of calibrated harmonics) Output Voltage . . . . . . . . . . . 100 mV rms (open circuit) approximately Internal Modulation . . . . . . . . . 1000 Hz AF Output Signal Frequency . . . . . . . . . . . . . . 1000 kHz Output Voltage . . . . . . . . . . . 2 V rms (open circuit) General Power Supply . . . . . . . . . . . . (2) 9-volt batteries or IPA-5280-1 Power Supply Dimensions . . . . . . . . . . . . . 5-3/4” high, 11” wide, 7-3/4” deep Net Weight . . . . . . . . . . . . . 3-1/2 lbs.