The original KB9VBR ALL COPPER 144-148MHz 2 Meter VHF/UHF dual band ham amateur radio J-Pole antenna. Works well with handheld HT radios, base stations, scanners, and repeaters. Ruggedly constructed one piece design, this J-Pole antenna will last practically forever. Copper tubing has an extremely low electrical resistance, making it one of the most efficient materials for RF radiation.
This J-Pole antenna makes a great base station and emcomm emergency communications amateur radio antenna. What makes the KB9VBR J-Pole Antenna better? Solid construction out of 1/2 inch copper tubing for years of reliable service.Low noise floor better than a wire antenna encased in plastic tubing for capturing distant and weak signals. Transmit 500+ watts of power. Less resistance means more energy output as RF signal. Pretuned for the 144-148 MHz VHF Amateur Radio Band. Just connect your coax and transmit. Omnidirectional radiation pattern, perfect for simplex, repeater and digital operation. Dual Band: works well on 70cm for good dual band performance. Check out the SWR plots to the right. Gain of about 3dbi, better than a 1/4 wave ground plane antenna. Reports in the field say this J-Pole antenna outperforms antennas such as the a Ringo Ranger.
This J-Pole works great as a VHF/UHF land mobile and public safety scanner antenna. Receive analog or digital, both wide and narrow band signals. Great for base stations, this antenna can be mounted on a mast, tower or even strapped to an apartment balcony.
Terrific antenna for digital; use it on your packet, dx cluster or APRS station. Also great for portable use, and the rugged design makes it an excellent emergency antenna.
This antenna will also improve your range with your handheld radio. (an adapter may be required to connect antenna to an HT). Overall length 69 inches, radiator 58 inches, matching stub 19 inches. SO-239 connector soldered on at point of lowest SWR.
Each J-Pole antenna is individually tested and tuned for optimum performance on the 2 meter band. The J-Pole antenna is tuned to 146MHZ and 445MHz (1.2:1 SWR or less at 146MHz and 1.5:1 or less at 445MHz). SWR is 1.4:1 or less throughout the entire 2 meter band. This particular antenna can also be custom tuned for the MURS, VHF Marine, Land Mobile, Public Safety, NOAA Weather, or Railroad bands for no extra charge.If you need the antenna tuned to a particular frequency between 144 and 172 Mhz, please contact me to discuss your individual needs. Any questions, please contact me. Just wanted to leave a review for your 2m j-pole. This thing is simply amazing. It showed 1.4 SWR on 147.030.
If you want a great 2m antenna you do not have to search any further. You will not be disappointed! This is the antenna your friends are talking about! I just had to write and Thank You again for great antenna. I have a friend who has and brags about how well his Ringo Ranger works.
He has come over and listened while I worked contacts he couldn't even hear!! Look forward to his order in the near future. Thousands of satisfied hams are using them on a daily basis across the nation. You can trust the quality and superior customer service that I provide. The item "J-Pole Base Antenna 2 meter dual band Heavy Duty amateur ham radio scanner" is in sale since Wednesday, January 30, 2013.
This item is in the category "Consumer Electronics\Radio Communication\Antennas\Ham, Amateur Radio Antennas". The seller is "kb9vbr" and is located in Wausau, Wisconsin. This item can be shipped to United States, to Canada.