The mfj-1522 2m - 70cm base antenna 4.5db on 2m, 7.2db on 70cm 1.67m long so-239, best performance. Mfj'spulsar vhf/uhf base/repeater antennas give you the world's best quality and performance. Pulse peak technology, mfj exclusive pulse peak technology provides a super low angle of radiation directly at the horizon. This gives mfj pulsar antennas the maximum possible gain for longest range performance. Wide band, high gain performance. Mfj pulsar antennas feature wide band performance and high gain on all bands for superior repeater and base station operation. You'll transmit a powerful signals and receive weak, distant stations clearly. Fiberglass construction. Heavy duty fiberglass radomes and overlapping shells add strength and stability for extended dependable use even in high wind. Each pulsar antenna uses stainless steel hardware and waterproof joints. This prevents moisture and pollution from damaging your antenna. Pulsar antennas are pre-tuned at the factory and built for years of dependable use. Quick and easy assembly. Minimum assembly make pulsar antennas perfect for base station and repeater use.,stainless steel radials easily hand screws onto the base. Simply attach your coax to it built-in water-proof connector. The assembly is so quick and easy, these antennas are great for portable, field day and dxpedition use. Pulsars are supplied with all mounting hardware and mounting holder. Mfj's famous no matter what warranty. All pulsar antennas are protected by mfj's famous no matter what one year limited warranty. Mfj will repair or replace (at our option) your antenna no matter what for one full year. Select from single, dual or tri-band antennas choose from a wide selection of base repeater station antennas with different gains and lengths. High mightygain. The mfj-1522 is our pulsar economy price dual bander base/repeater antenna. Only 5.5 feet tall, but big on gain. You get 4.5 db gain on 2 meters and 7.2 db gain on 440 mhz. Great for antenna restricted households and apartments. Easy to hide on balcony or backyard. Great price! So-239 connector handles 200 watts.