The JM20F is the latest technology in hand-held radio frequency detection. It incorporates a sophisticated microprocessor circuitry which makes sweeping for transmitters effective and efficient. without complicated adjustments.

FEATURES

• A 10- digit liquid crystal display

• Ultra sensitive 16 section bargraph

• A microprocessor filter circuitry which prevents nuisance alarm from random noise frequency

• Silent vibration alarm

• Battery low indicator

• Built in NiCad battery

The frequency range is from 1 MHz-3GHz with a battery life of 6 hours.