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spe - 12 - 8 - 85 / a /ss page 1 of 7 specification part no. : pc 8 1 .07.0100a .db product name : thestripe? 868 mhz pcb a ntenna 100mm ipex 1.13 mm diameter mhf connector foam attachment for assembly features : 34 mm* 7 mm*0.8 mm (pcb) 16mm*6mm*7mm(foam) compatible with hirose u .fl photo:
spe - 12 - 8 - 85 / a /ss page 2 of 7 1. introduction this miniaturized low profile p cb an t e nna is based on smart thestripe ? antenna technolog y. it consists of a pcb antenna and 1.13 mm mini coaxial cable with ipex mhf (hirose u .fl comp ) connector . 2. typical antenna performance in free space parameter specification applications 868mhz ism band frequency band 868 - 870 mhz efficiency 50.46 % return loss < - 10db vswr <2.0:1 impedance 50 ohm polarization horizontal radiation pattern omni - directio nal
spe - 12 - 8 - 85 / a /ss page 3 of 7 3. mechanical dimensions
spe - 12 - 8 - 85 / a /ss page 4 of 7 4. antenna test setup and results 4.1 equipment 500 cm horn standard antenna 8720 c network analyzer rotator controller radiation pattern testing - anechoic chamber dut antenna
spe - 12 - 8 - 85 / a /ss page 5 of 7 4.2 efficiency pc.81 efficiency data band(mhz) 800 810 820 830 840 850 860 868 870 880 890 900 gain 0.78 0.93 1.21 1.55 1.88 2.25 2.36 2.51 2.6 1.82 0.01 - 2.56 efficiency (%) 34.26 35.75 36.79 39.78 44.69 49.16 49.86 50.46 50.01 40.63 27.15 14.79 efficiency db - 4.65 - 4.47 - 4.34 - 4 - 3.5 - 3.08 - 3.02 - 2.97 - 3.01 - 3.91 - 5.66 - 8.3
spe - 12 - 8 - 85 / a /ss page 6 of 7 4.3 radiation patterns 4.3.1 e - plane (horizontal/azimuth plane)
spe - 12 - 8 - 85 / a /ss page 7 of 7 4.3.2 h - plane (vertical/elevation plane)

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