20 corporation 330 ? 20 30 0 ? 270 ? 60 ? 30 ? 300 ? 90 ? 240 ? 210 ? 180 ? 150 ? 120 ? 10 20 30 10 20 30 30 20 10 10 typical ringo ranger typical ringo ranger ii 330 ? 20 30 0 ? 270 ? 60 ? 30 ? 300 ? 90 ? 240 ? 210 ? 180 ? 150 ? 120 ? 10 20 30 10 20 30 30 20 10 10 uhf ringos ringo 2 dbi gain the ringo is a dc-grounded single half-wave antenna fed by a matching section with a ring inductor. covering a 406-512 mhz frequency range with 2 db gain, the ringo is shipped assem- bled and requires no tuning. a screw- driver and a tape measure will get you on the air. h-plane e-plane 330 ? 20 30 0 ? 270 ? 60 ? 30 ? 300 ? 90 ? 240 ? 210 ? 180 ? 150 ? 120 ? 10 20 30 10 20 30 30 20 10 10 typical ringo ringos broadband no tuning required assembled dc grounded stainless steel hardware seamless hard-drawn aluminum ups-shippable crx4508 cr450 easily installed with simple tools ringo and ringo ranger are the perfect choice for omnidirectional applications where ease of installation and economy are a priority. these versatile base station antennas are widely used in dedicated systems such as fire, police, telemetry, security, data transmission and talk-around. for quick response and low transportation cost, we've made these antennas ups-shippable. ringo ranger ii 7 dbi gain our most popular uhf base station model is perfect for applications needing an economical omnidirectional antenna. requiring neither tuning nor groundplane, the 406-512 mhz ringo ranger ii offers a full 6 db gain versus a quarterwave whip. ringo ranger 5 dbi gain ringo ranger provides a 406-512 mhz frequency range and 5 db gain. easy to install and economical, ringo ranger delivers excellent electrical performance and long life. uhf ringo selector guide crx450 model freq. gain vswr bandwidth -3db bmwidth connector height weight w/sur area w/survival mhz dbi mhz e-plane 0 type in (cm) lb (kg) ft 2 (m 2 ) mph (kph) CRX-406b 406-420 7 1.5:1 nominal 8 30 uhf 54 (137) 2.6 (1.2) 0.27 (0.03) 80 (125) crx-450b 450-470 7 1.5:1 nominal 8 30 uhf 54 (137) 2.6 (1.2) 0.27 (0.03) 80 (125) crx-470b 470-490 7 1.5:1 nominal 8 30 uhf 54 (137) 2.6 (1.2) 0.27 (0.03) 80 (125) crx-490b 490-512 7 1.5:1 nominal 8 30 uhf 54 (137) 2.6 (1.2) 0.27 (0.03) 80 (125) CRX-406 406-420 5 1.5:1 nominal 10 36 uhf 38 (96.5) 2 (0.9) 0.16 (0.02) 80 (125) crx-450 450-470 5 1.5:1 nominal 10 36 uhf 38 (96.5) 2 (0.9) 0.16 (0.02) 80 (125) crx-470 470-490 5 1.5:1 nominal 10 36 uhf 38 (96.5) 2 (0.9) 0.16 (0.02) 80 (125) crx-490 490-512 5 1.5:1 nominal 10 36 uhf 38 (96.5) 2 (0.9) 0.16 (0.02) 80 (125) cr-406 406-420 2 1.5:1 nominal 20 73 uhf 17 (43.2) 0.5 (0.24) 0.06 (0.01) 80 (125) cr-450 450-470 2 1.5:1 nominal 20 73 uhf 17 (43.2) 0.5 (0.24) 0.06 (0.01) 80 (125) cr-470 470-490 2 1.5:1 nominal 20 73 uhf 17 (43.2) 0.5 (0.24) 0.06 (0.01) 80 (125) cr-490 490-512 2 1.5:1 nominal 20 73 uhf 17 (43.2) 0.5 (0.24) 0.06 (0.01) 80 (125) common specifications: power handling - 250 watts; element - 6063-t832 aluminum; mounting style - tube end; maximum mast di ameter - 7/8 in (2.22 cm)
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