spe - 13 - 8 - 060 /a/ pk page 1 of 10 specification part no. : fxp280 .07.0100a model : 868 mhz ism band flex circuit antenna features : 75 * 45 * 0.1 mm 100mm ?1.13 cable rohs ?
spe - 13 - 8 - 060 /a/ pk page 2 of 10 1. overview the taoglas fxp280 868 mhz ism antenna covers f rom 863 - 870 mhz used in the 868 mhz ism (industrial scientific medica l) european band. the antenna has been designed in a flexible material with a square form - factor and cable connection for an easy installation. the antenna works on different plastic materials and thickness. we have selected a piece of abs with 2 mm of thi ckness as a baseline for testing. 2. antenna characteristic s parameter specification frequency range 863mhz to 870mhz return loss (db) - 20 efficiency (%) 40 gain (dbi) 1.5 impedance 50 ? vswr 2:1 polarization linear power handled 5w operation temperature - 40c ~ +85c storage temperature - 40c ~ +85c dimensions 75*45*0.1mm weight 1.5g connector ipex mhfi (u.fl compatible) cable standard mini - coax 1.13 mm cable length and color 100mm, black rohs compliant yes adhesive 3m 467
spe - 13 - 8 - 060 /a/ pk page 3 of 10 3. test set up a n ets - lindgren 3d scan system with anechoic chamber figure 1 . ets - lindgren system . rhode & schwartz zvl6 vector network a nalyzer figure 2 . network analyzer. y x z
spe - 13 - 8 - 060 /a/ pk page 4 of 10 4. antenna parameters the next antenna parameter graphs like return loss, vswr and smith chart were measured in the agilent rhode & schwartz zvl6 vector network a nalyzer . the gain, efficiency and radiation pattern s were measured in the ets - lindgren 3d scan system . 4.1 return loss data figure 3 . return loss for the fxp 280 antenna .
spe - 13 - 8 - 060 /a/ pk page 5 of 10 4.2 vswr data figure 4 . vswr for the fxp 280 antenna .
spe - 13 - 8 - 060 /a/ pk page 6 of 10 4.3 smith chart data figure 5 . smith chart for the fxp 280 antenna . 4.4 efficiency data figure 6 . efficiency for th e fxp 280 antenna .
spe - 13 - 8 - 060 /a/ pk page 7 of 10 4.5 gain data figure 7 . gain for the fxp 280 antenna . 4.6 radiation pattern data . figure 8 . radiation pattern 3d view , figure 1 as reference (db).
spe - 13 - 8 - 060 /a/ pk page 8 of 10 figure 9 . radiation pattern yz plane , figure 1 as reference (db). figure 10 . radiation pattern xy plane, figure 1 as reference (db).
spe - 13 - 8 - 060 /a/ pk page 9 of 10 figure 11 . radiation pattern xy plane, figure 1 as reference (db).
spe - 13 - 8 - 060 /a/ pk page 10 of 10 5. mechanical drawing figure 12 . mechanical drawing for the fxp 280 antenna.
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