This is a 10 Meter Amplifier and does not transmit on 11 meter and we do not convert and would be ilegal to transmit on 11 meters.
SPECIFICATIONS:Frequency Range = 28.0 MHz to 29.7 MHzStability = 50 parts per million, 0-50 degrees Celsius with typical quartz crystalPower Output = < 5 wattsVoltage = 13.6 volts DCAmps = < 6Impedance = 50 ohmsDuty Cycle = 100% at full outputHarmonics = > 30dB downDimensions = 3-1/4"(H) x 6-5/8"(W) x 10-3/4"(D)Weight = 6 pounds