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| spe - 11 - 8 - 013 /e / zl page 1 of 22 specification part no. : ti. 18.3 113 product name : 3 dbi 868 mhz ism band dipole terminal antenna , sma(m) hinge d connector feature : high efficiency dipole terminal antenna r o hs c ompliant
spe - 11 - 8 - 013 /e / zl page 2 of 22 1. introduction ti.18 is high performance 8 68mhz ism band dipole omni - directional antenna. the sma connector is for general purpose used and the hinged design enables the antenna to be positioned at its most suitable angle. for a lot of antenna applications, such as wi - fi hotspot or cellular pico - cell, the antenna of the operator G?]?}]?}]fs????v?P^ k???f}? ?????Ux?\\}[eS?_??N?f?I?af?I]??c`PI?a?II[???} ?S???FN?O??]bb???bb???bb?b`?Ha?? ? ]} ? ?z?? fsY?Re{ ? WYZ?]??gsN?TAe?GO}?bb??HIb?`Q???\? {}A???ba~?????????[b?O?N??aIIN?I}fNH}I?f? ? specification electrical frequency 868 ~ 870mhz peak gain (bend) 3.2dbi peak gain (straight) 3.2dbi average gain (bend) - 0.3dbi average gain (straight) - 0.3dbi efficiency (bend) 92% efficiency (straight) 93% impedance 50 ? ? zf? ? ??????? ? T?_E ? ??T ? ??T?t ? ?b ? ?_ ? ??n ? ???`??? ? ??????} ? ??? ? ??? ? ????@? ? ? ? ? ???? ? ??u ? ? ??? ? ????? ? ??y@?B?? ? B??bT?\?? ? ? ???????? ? ?? ? ? ? ??Z?????????h??? ? ? spe - 11 - 8 - 013 /e / zl page 3 of 22 3. antenna s11 properties 3.1 return loss -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 spe - 11 - 8 - 013 /e / zl page 4 of 22 4. antenna free space radiation properties 4.1. 3d radiation efficiency 0 10 20 30 40 50 60 70 80 90 100 800 820 840 860 880 900 920 940 (%) bend straight spe - 11 - 8 - 013 /e / zl page 5 of 22 4.2. peak gain -4 -3 -2 -1 0 1 2 3 4 800 820 840 860 880 900 920 940 (dbi) bend straight 4.3. average gain -6 -5 -4 -3 -2 -1 0 800 820 840 860 880 900 920 940 (dbi) bend straight spe - 11 - 8 - 013 /e / zl page 6 of 22 4.4. radiation pattern of 90 degree bend position 4.4.1 3d radiation pattern y x z spe - 11 - 8 - 013 /e / zl page 7 of 22 4.4.2 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 868mhz 870mhz spe - 11 - 8 - 013 /e / zl page 8 of 22 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 868mhz 870mhz 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 868mhz 870mhz spe - 11 - 8 - 013 /e / zl page 9 of 22 4.5. radiation pattern of 180 degree straight position y x z spe - 11 - 8 - 013 /e / zl page 10 of 22 4.5.1 3d radiation pattern 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 868mhz 870mhz spe - 11 - 8 - 013 /e / zl page 11 of 22 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 868mhz 870mhz 4.5.4 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 868mhz 870mhz spe - 11 - 8 - 013 /e / zl page 12 of 22 5. ground plane effect three ground setup s are used to see the affect of positioning t i .18 close to ground - 1. small ground (15 x 9cm) common size of cpe device s . ti.18 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.18 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 top. spe - 11 - 8 - 013 /e / zl page 13 of 22 5.1. s11 return 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 -28 -26 -24 -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 spe - 11 - 8 - 013 /e / zl page 14 of 22 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 spe - 11 - 8 - 013 /e / zl page 15 of 22 5.3. radiation efficiency bend 0 10 20 30 40 50 60 70 80 90 100 820 830 840 850 860 870 880 890 900 910 920 (mhz) (%) stand alone small gnd big gnd edge big gnd center straight 0 10 20 30 40 50 60 70 80 90 100 820 830 840 850 860 870 880 890 900 910 920 (mhz) (%) stand alone small gnd big gnd edge big gnd center spe - 11 - 8 - 013 /e / zl page 16 of 22 5.4. average gain bend -6 -5 -4 -3 -2 -1 0 820 830 840 850 860 870 880 890 900 910 920 (mhz) (dbi) stand alone small gnd big gnd edge big gnd center straig ht -6 -5 -4 -3 -2 -1 0 820 830 840 850 860 870 880 890 900 910 920 (mhz) (dbi) stand alone small gnd big gnd edge big gnd center spe - 11 - 8 - 013 /e / zl page 17 of 22 5.5. peak gain bend -2 -1 0 1 2 3 4 5 820 830 840 850 860 870 880 890 900 910 920 (mhz) (dbi) stand alone small gnd big gnd edge big gnd center straight -2 -1 0 1 2 3 4 5 820 830 840 850 860 870 880 890 900 910 920 (mhz) (dbi) stand alone small gnd big gnd edge big gnd center spe - 11 - 8 - 013 /e / zl page 18 of 22 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 spe - 11 - 8 - 013 /e / zl page 19 of 22 5.6.2 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 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 spe - 11 - 8 - 013 /e / zl page 20 of 22 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 spe - 11 - 8 - 013 /e / zl page 21 of 22 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 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 spe - 11 - 8 - 013 /e / zl page 22 of 22 6. mechanical drawing unit : mm |
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