There are multi-band radios that can be configured with three bands (triband) or four bands (quad-band). Three of the most commonly used tri-band radios have two-meter bands (144-148 MHz), 1.25-meter bands (219-225 MHz), and 70-centimeter bands (440-448 MHz); while Quad Band Mobile Ham Radios have the above three, plus 6-meter band (50-54 MHz).