25x25x2 Ceramic Patch Antenna (Standard) 1. Explanation of Product Number H 2 P 1 3 B (1) A (2) A A B 0 (3) (4) (5) 1 0 0 (6) Product Code: (1) Product Categories: 3: ceramic patch antenna (2) Dimensions and Polarization: BA: 25x25x02 (mm)/right hand circular polarization (3) Material: A: MA-PC (4) Working Frequency: A: 1575.42MHz (5) Ground Plane Dimensions: B: 70x70(mm) (6) Antenna Series: 01: serial number Tolerances (Unless otherwise specified) X: ± 1 X.X : ± 0.1 X.XX : ± 0.01 Angle : ± Hole Dia. : ± Scale : Prepared By : Meiping Designed By : Chinling Unit：mm Checked By : Chinling Approved By : Herbert TITLE：25*25*2 Ceramic Patch Antenna (Standard) Unictron Technologies Corporation Website:www.unictron.com 2010-08-04 THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION DOCUMENT NO. REV. H2P13BAAAB0100 PAGE 1 OF D 5 2. Features *Stable and reliable in performances *Low temperature coefficient of frequency *Compact size *RoHS compliance 3. Applications *Navigation systems or position tracking systems *Hand-held devices when GPS function is needed, e.g., PDA, Smart phone, PND. 4. Description Unictron’s patch antenna series are ceramic antennas specially designed for GPS application. This ceramic patch antenna has excellent stability and sensitivity through the use of high performance proprietary ceramic materials and processes. 5. Electrical Specifications (70x70(mm) ground plane) Characteristics Specifications Unit Outline Dimensions Ground Plane Center Frequency* Bandwidth (under -10dB return loss) VSWR Impedance Polarization @Zenith Gain @10°Elevation 25×25×2 70×70 1581±2 mm mm MHz MHz Axial Ratio Temperature Coefficient of Frequency 10 min. 1.5 max. 50 RHCP +4.5 (typical) -3.0 (typical) 3 (typical) 0±20 max (@ -40℃~80℃) Ω dBic dB ppm/℃ *Center frequency will be offset to working frequency according to the conditions of user’s ground plane and radome. Tolerances (Unless otherwise specified) X: ± 1 X.X : ± 0.1 X.XX : ± 0.01 Angle : ± Hole Dia. : ± Scale : Prepared By : Meiping Designed By : Chinling Unit：mm Checked By : Chinling Approved By : Herbert TITLE：25*25*2 Ceramic Patch Antenna (Standard) Unictron Technologies Corporation Website:www.unictron.com THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION DOCUMENT NO. REV. H2P13BAAAB0100 PAGE 2 OF D 5 6. Antenna Dimensions (unit: mm) 7. Electrical Characteristics (70x70(mm) ground plane) Return Loss(S11) Smith Chart Tolerances (Unless otherwise specified) X: ± 1 X.X : ± 0.1 X.XX : ± 0.01 Angle : ± Hole Dia. : ± Scale : Prepared By : Meiping Designed By : Chinling Unit：mm Checked By : Chinling Approved By : Herbert TITLE：25*25*2 Ceramic Patch Antenna (Standard) Unictron Technologies Corporation Website:www.unictron.com 2010-08-04 THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION DOCUMENT NO. REV. H2P13BAAAB0100 PAGE 3 OF D 5 8. Axial Ratio (70x70(mm) ground plane) 14 12 Axial Ratio(dB) 10 8 6 4 2 0 1572 1574 1576 1578 1580 1582 1584 1586 1588 1590 Frequency(MHz) 9. Gain vs. Ground Plane Size Frequency:1581MHz 6 Gain(dBic) 5 4 3 2 1 0 -1 25 30 40 50 60 70 100 Side size of square ground plane (mm) Tolerances (Unless otherwise specified) X: ± 1 X.X : ± 0.1 X.XX : ± 0.01 Angle : ± Hole Dia. : ± Scale : Prepared By : Meiping Designed By : Chinling Unit：mm Checked By : Chinling Approved By : Herbert TITLE：25*25*2 Ceramic Patch Antenna (Standard) Unictron Technologies Corporation Website:www.unictron.com 2010-08-04 THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION DOCUMENT NO. REV. H2P13BAAAB0100 PAGE 4 OF D 5 10. Radiation Pattern (70x70(mm) ground plane) 00 Far-field amplitude of Gain Chart for 1581MHz for 2mm01.nsi pol,Gain Chart for 1581MHz for 2mm01,,FF Xpol,,Hcut,1.581000 GHz 345 0 15 330 30 315 45 300 60 285 75 270 -30 -20 -10 0 dB 255 90 105 240 120 225 135 210 150 195 165 180 900 Far-field amplitude of Gain Chart for 1581MHz for 2mm02.nsi pol,Gain Chart for 1581MHz for 2mm02,,FF Xpol,,Hcut,1.581000 GHz 345 0 15 330 30 315 45 300 60 285 75 270 -30 -20 -10 0 dB 255 90 105 240 120 225 135 210 150 195 180 165 Right hand circular polarized signal f0=1581MHz Tolerances (Unless otherwise specified) X: ± 1 X.X : ± 0.1 X.XX : ± 0.01 Angle : ± Hole Dia. : ± Scale : Prepared By : Meiping Designed By : Chinling Unit：mm Checked By : Chinling Approved By : Herbert TITLE：25*25*2 Ceramic Patch Antenna (Standard) Unictron Technologies Corporation Website:www.unictron.com 2010-08-04 THIS SPECIFICATION IS THE PROPERTY OF UNICTRON TECHNOLOGIES CORPORATION AND SHALL NOT BE REPRODUCED OR USED IN ALL CIRCUMSTANCES WITHOUT WRITTEN PERMISSION DOCUMENT NO. REV. H2P13BAAAB0100 PAGE 5 OF D 5