Scanner knows what to listen for. Around 30 MHz, you get baby-monitor intercoms. At 36 MHz, the headset of the McDonald's drive-through attendant. At 88 to 108 MHz, FM radio. Way up at 1429 MHz, you'll hear the barely audible static of earth-to-satellite transmissions. And at 806 to 893 MHz— the FCC-allocated radio spectrum for mobile and cellular telephones— comes unrequited love. Drug deals. The smallest talk imaginable. At 806 MHz, you start to get sweet,... More >>>