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| s pe - 11 - 8 - 014/f/ zl page 1 of 23 specification part no. : ti . 1 9.2113 product name : 2 dbi 915 mhz ism band dipole terminal antenna , sma(m) hinge feature : high efficiency dipole terminal antenna r o hs c ompliant
s pe - 11 - 8 - 014/f/ zl page 2 of 23 1. introduction ti.19 is a high performance 915mhz ism band dipole omni - directional antenna. t he hinged design enables the antenna to be positioned at its most suitable angle. this antenna features a sma(m) plug connector. for a lot of antenna application s , such as wi - fi hotspot or c ellular pico - cell, the antenna of the operat or e?]} ]??}] ? H? q o? ??T ? ? ? ???\??L?\}}??HT?T?}? ?U}??? ? Ua?Ob ? LU{\gj? s@ppeT?b??ub??JTb ?????b?C?T?HGt??? ?? ? specification electrical frequency 902 ~ 928mhz peak gai n ( bend ) 2.5dbi peak gain (straight) 2.4dbi average gain ( bend) - 1.0dbi average gain (straight) - 0.9dbi efficiency (bend) 81% efficiency (straight) 82% impedance 50 ? ? f? ? ??????? ? fj ? ?Y? ? ?x??]? ? ?b ? ?_z ? ??p ? ???c??? ? ?????} ? S ? ? ? ??? ? ?k??d?\? ? ?? ? ?????? ? ?tt?b ? ? ?? ????? ? ???y@?v?? ? ???b????? ? ? ???????? ? ?td? ? ? ?eD???????q?? ? ? s pe - 11 - 8 - 014/f/ zl page 3 of 23 3. antenna s11 properties 3.1 return loss -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 700 800 900 1000 1100 (dbi) bend straight 3.2 vswr 1 2 3 4 5 6 7 8 9 10 700 800 900 1000 1100 bend straight s pe - 11 - 8 - 014/f/ zl page 4 of 23 4. antenna radiation properties 4.1. 3d radiation efficiency 0 10 20 30 40 50 60 70 80 90 100 840 860 880 900 920 940 960 980 (%) bend straight s pe - 11 - 8 - 014/f/ zl page 5 of 23 4.2. peak gain -4 -3 -2 -1 0 1 2 3 4 840 860 880 900 920 940 960 980 (dbi) bend straight 4.3. average gain -6 -5 -4 -3 -2 -1 0 840 860 880 900 920 940 960 980 (dbi) bend straight s pe - 11 - 8 - 014/f/ zl page 6 of 23 4.4. radiation pattern of 90 degree bend position 4.4.1 3d radiation pattern y x z s pe - 11 - 8 - 014/f/ zl page 7 of 23 4.4.2 x - z plane r adiation (unit : dbi) -35 -30 -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 210 240 270 300 330 900mhz 915mhz 930mhz 4.4.3 x - y plane radiation (unit : dbi) -35 -30 -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 210 240 270 300 330 900mhz 915mhz 930mhz s pe - 11 - 8 - 014/f/ zl page 8 of 23 4.4.4 radiation at 45 degree from xy plane (unit : dbi) -35 -30 -25 -20 -15 -10 -5 0 5 30 60 90 120 150 180 210 240 270 300 330 900mhz 915mhz 930mhz s pe - 11 - 8 - 014/f/ zl page 9 of 23 4.5. radiation pattern of 180 degree straight position 4.5.1 3d radiation pattern y x z s pe - 11 - 8 - 014/f/ zl page 10 of 23 4.5.2 x - z plane radiation (unit : dbi) -35 -30 -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 210 240 270 300 330 900mhz 915mhz 930mhz 4.5.3 x - y plane radiation (unit : dbi) -35 -30 -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 210 240 270 300 330 900mhz 915mhz 930mhz s pe - 11 - 8 - 014/f/ zl page 11 of 23 4.5.4 radiation at 4 5 degree from xy plane (unit : dbi) -35 -30 -25 -20 -15 -10 -5 0 5 30 60 90 120 150 180 210 240 270 300 330 900mhz 915mhz 930mhz s pe - 11 - 8 - 014/f/ zl page 12 of 23 5. ground plane effect three ground setups are used to see the affect of positioning ti.19 close to ground - 1. small ground (15 x 9cm) common si ze of cpe devices. ti.19 is mounted at the longer edge for testing. 2. big ground edge (45 x 30cm) simulate the effect of mounting antenna on a base station device. ti.19 is mounted at the centre of the longer edge. 3. big ground centre (45 x 30cm) simulate the effect of mounting antenna in a centre of a big ground plane, such as vehicle to p. s pe - 11 - 8 - 014/f/ zl page 13 of 23 5.1. s11 retu rn loss bend -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 700 800 900 1000 1100 (dbi) stand alone small gnd big gnd edge big gnd centre straight -16 -14 -12 -10 -8 -6 -4 -2 0 700 800 900 1000 1100 (dbi) stand alone small gnd big gnd edge big gnd centre s pe - 11 - 8 - 014/f/ zl page 14 of 23 5.2. vswr bend 1 2 3 4 5 6 700 800 900 1000 1100 stand alone small gnd big gnd edge big gnd centre straight 1 2 3 4 5 6 700 800 900 1000 1100 stand alone small gnd big gnd edge big gnd centre s pe - 11 - 8 - 014/f/ zl page 15 of 23 5.3. radiation efficiency bend 0 10 20 30 40 50 60 70 80 90 100 840 850 860 870 880 890 900 910 920 930 940 950 960 970 980 (mhz) (%) stand alone small gnd big gnd edge big gnd center straight 0 10 20 30 40 50 60 70 80 90 100 840 850 860 870 880 890 900 910 920 930 940 950 960 970 980 (mhz) (%) stand alone small gnd big gnd edge big gnd center s pe - 11 - 8 - 014/f/ zl page 16 of 23 5.4. average gain bend -6 -5 -4 -3 -2 -1 0 840 850 860 870 880 890 900 910 920 930 940 950 960 970 980 (mhz) (dbi) stand alone small gnd big gnd edge big gnd center straight -6 -5 -4 -3 -2 -1 0 840 850 860 870 880 890 900 910 920 930 940 950 960 970 980 (mhz) (dbi) stand alone small gnd big gnd edge big gnd center s pe - 11 - 8 - 014/f/ zl page 17 of 23 5.5. peak gain bend -2 -1 0 1 2 3 4 5 840 850 860 870 880 890 900 910 920 930 940 950 960 970 980 (mhz) (dbi) stand alone small gnd big gnd edge big gnd center straight -2 -1 0 1 2 3 4 5 840 850 860 870 880 890 900 910 920 930 940 950 960 970 980 (mhz) (dbi) stand alone small gnd big gnd edge big gnd center s pe - 11 - 8 - 014/f/ zl page 18 of 23 5.6. radiation pattern of 90 degree bend position 5.6.1 x - z plane radiation (dbi) -35 -30 -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 210 240 270 300 330 stand alone small gnd big gnd edge big gnd center s pe - 11 - 8 - 014/f/ zl page 19 of 23 5.6.2 x - y plane ra diation (dbi) -35 -30 -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 210 240 270 300 330 stand alone small gnd big gnd edge big gnd center s pe - 11 - 8 - 014/f/ zl page 20 of 23 5.6.3 radiation at 45 degree from xy plane (dbi) -35 -30 -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 210 240 270 300 330 stand alone small gnd big gnd edge big gnd center s pe - 11 - 8 - 014/f/ zl page 21 of 23 5.7. radiation pattern of 180 degree straight position 5.7.1 x - z plane radiation (dbi) -35 -30 -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 210 240 270 300 330 stand alone small gnd big gnd edge big gnd center 5.7.2 x - y plane radiation (dbi) -35 -30 -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 210 240 270 300 330 stand alone small gnd big gnd edge big gnd center s pe - 11 - 8 - 014/f/ zl page 22 of 23 5.7.3 radiation at 45 degree from xy plane (dbi) -35 -30 -25 -20 -15 -10 -5 0 5 0 30 60 90 120 150 180 210 240 270 300 330 stand alone small gnd big gnd edge big gnd center s pe - 11 - 8 - 014/f/ zl page 23 of 23 6. mechanical drawing unit : mm |
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