Astro and DC 40 Owner’s ManualAppendixSpecificationsAstroWaterresistanceWater resistant to IEC60529 IPX7Battery type Two 1.5 volt AAbatteries (alkaline,NiMH, or lithium)Battery life Up to 24 hours, typicalusage (page 60)OperatingtemperaturerangeFrom -4°F to 158°F(from -20°C to 70°C)See battery informationon page 59.DC 40WaterresistanceWater resistant to IEC60529 IPX7Battery type Internal rechargeablelithium-ion batteryBattery life From 17 to 48 hours.Recharging takesapproximately 4½hours.OperatingtemperaturerangeFrom -4°F to 140°F(from -20°C to 60°C)ChargingtemperaturerangeFrom 32°F to 113°F(from 0°C to 45°C)VHF radioMURS (Multi-use RadioService)frequency151.82 MHz151.88 MHz151.94 MHz154.57 MHz154.60 MHzVHF range Up to 7 miles (11.2 km)- line of sightOutput power 2 watts
