PROCOMM PT-99 PROTON ProComm PT-99 PROTON base station antenna made of fiberglass --- Original USA made --- The ProComm PT-99 is a 1/2 wave station antenna for DX use, tunable from 26-30 MHz. Can be used for the 11 meter CB band and 10 meter amateur band. Factory pre-tuned for the CB band. The standing wave can easily be tuned with the two threaded counter rings on the coil. Rugged 4-piece fiberglass construction with hard chrome-plated ferrules. Extremely weather-UV resistant. Quick and easy installation of the antenna, simply screwed together and secured with snap rings. Two steel U-brackets allows easy side mounting on antenna masts till 40 mm. For masts of 42-50 mm use the optional Sirio FT-2 side bracket. Frequency range: 26-30 MHz tunable 1/2 wave Omni-directional Gain: 9.9 dBi Power: 2000 Watt PEP Materials: Fiberglass, chromed plated parts Antenna connector: UHF-female Mounting: side-mount on masts with a diameter of Ø 40 mm Height: 565 cm