ant-2.4-jjb-xx data sheet product dimensions description features electrical specifications ordering information the jjb series packs near the performance of a conventional monopole into an incredibly compact quarter-inch (7mm) diameter package. these antennas are ideal for any oem application requiring a compact, cosmetically-attractive, low-cost antenna solution. the antenna features a through-hole feedline that can attach directly to a user?s pcb. internal or external mounting is possible. * requires proximity ground plane ra electrical specifications and plots measured on a 1.50? x 3.30? ground plane st electrical specifications and plots measured on a 3.50? x 3.50? ground plane 0.28? (7.0) 0.69? (17.6) 0.34? (8.6) 0.08? (2.0) 0.35? (9.0) 0.57? (14.5) 0.22? (5.5) 0.06? (1.5) 0.04? (1.0) s11 swr 1.307 center 2.450ghz st center 2.450ghz ra span 200.000mhz 1.403 recommended mounting rev 07-22-08 typical vswr antenna factor 159 ort lane merlin, or 97532 www.antennafactor.com 541-956-0931 (phone) 541-471-6251 (fax) vswr graph 0.22? (5.5) ? very low cost ? ultra-compact package ? easily concealed internally ? good for internal or external mounting ? excellent performance ? omni-directional pattern ? use with plastic* or metal enclosures ? center freq. 2.45ghz ? bandwidth 50mhz ? wavelength 1/4-wave ? vswr < 2.0 typ. at center ? impedance 50 ohms ? connection direct solder ? ant-2.4-jjb-ra (right-angle) ? ant-2.4-jjb-st (straight) no ground plane or traces under the antenna 0.048? plated hole ground plane on bottom layer for counterpoise 50-ohm microstrip line -ra style
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