RE3000 racing scanner user manual. The product has a frequency range of 450 ~ 470 MHz, can store 440 channels (4 banks, each with 110 channels), a channel spacing of 12.5 KHz, a temperature range of -20 ~ + 60 ℃, a BNC antenna connector, a AAA battery * 3 batteries, and data input to the scanner: PC programmer, over-the-air, clone, and manual entry.