Beyond the Basics58specificationsFrequency Coverage:25.0000-27.9950 MHz (in 5 kHz steps)28.0000-29.9950 MHz (in 5 kHz steps)30.0000-49.9950 MHz (in 5 kHz steps)50.0000-54.0000 MHz (in 5 kHz steps)108.0000-136.9875 MHz (in 12.5 kHz steps)137.0000-143.9950 MHz (in 5 kHz steps)144.0000-147.9950 MHz (in 5 kHz steps)148.0000-174.0000 MHz (in 5 kHz steps)406.0000-419.99375 MHz (in 6.25 kHz steps)420.0000-449.99375 MHz (in 6.25 kHz steps)450.0000-469.99375 MHz (in 6.25 kHz steps)470.0000-512.0000 MHz (in 6.25 kHz steps)806.0000-823.9875 MHz (in 12.5 kHz steps)849.0125-868.9875 MHz (in 12.5 kHz steps)894.0125-956.0000 MHz (in 12.5 kHz steps)Operating Temperature:Normal -4° to 140°F (-20° to 60°C)Signal Stalker 14° to 122°F (-10° to 50°C)IF Frequencies1st (25-174 MHz) 380.6050-380.7000 MHz1st (406-512 MHz) 380.6125-380.7000 MHz1st (806-956 MHz) 380.7000-380.7875 MHz2nd 21.3 MHz3rd 450 kHzSpecifications are typical; individual units might vary.Specifications are subject to change and improvementwithout notice.