Repeater,two way radio,mobile radio,professional radio,microphone,earphone,VHF/UHF Radio Technology SpecificationsBANDLT-2000U/LT-2000VFrequency range400-470MHz/136-174MHz 20MHz expandChannel number64/99Channel space25KHzCompatible temperature-25°C---60°CPower voltage13.8V DC cathode groundedSize44*168*160mmTransmitterTransmitting power20WFrequency stability±3ppmModulated mode16k@F3ESpurious ...