antenna report

FCC ID: PY309200109

Test Report

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FCCID_1152308

NP-9050 Antenna design For Sercomm NETGEAR DGN3500 V1.02 Document Number NP-9050 1st Released Date 07/09/09 Last Released Date 07/17/09 Author Dannel Chang Review by Romeo Chou Page 1 of 21

Revised History Date Version Revised Record 06/04/09 1.00 z 1st released 07/09/09 1.01 z PIFA & On board Antenna compare. 07/17/09 1.02 z PIFA & On board Antenna compare & Antenna position change. Page 2 of 21

Specification Rough description 2 embedded G band antenna for NETGEAR DGN3500 Dimensions None Impedance 50Ω Test environment None Application 802.11n Freq. Range 2.4～2.5GHz Gain Peak gain 2dBi@2.4～2.5GHz VSWR 1.92：1 Radiation Omni Polarization linear HPBW / H None HPBW / E None Efficiency None Downtilt None Connector type IPEX Cable type Φ1.13 Gray Isolation None Special request None Page 3 of 21

1. Antenna Introduction PIFA(A1) PIFA(A2) Page 4 of 21

20mm 25mm Page 5 of 21

2 S-parameter test results 2.1 S11 test results 2.1.1 PIFA(A1) 2.1.2 PIFA(A2) Page 6 of 21

2.2 Isolation test results 2.2.1 PIFA(A1)-PIFA(2) Page 7 of 21

2. Gain & Patterns test results 2.1. Measurement setting(平躺式) Z ANT Y X Up Left Back Front Right Down XY YZ XZ 0° Right Up Up 90° Back Back Right 180° Left Down Down 270° Front Front Left Page 8 of 21

θ φ Total angle 175° 360° How many angle scan one point 5° 5° Total scan point 36 73 Page 9 of 21

2.2. Measurement setting(直立式) Z ANT Y X Up Left Back Front Right Down XY YZ XZ 0° Right Up Up 90° Back Back Right 180° Left Down Down 270° Front Front Left Page 10 of 21

θ φ Total angle 175° 360° How many angle scan one point 5° 5° Total scan point 36 73 Page 11 of 21

3. 2D patterns 3.1. PIFA Antenna solution 3.1.1. WY PIFA(A1)-平躺式 PIFA(A1) (X-Y Plane) (Y-Z Plane) Page 12 of 21

(X-Z Plane) Page 13 of 21

3.1.2. WY PIFA(A2)-平躺式 PIFA(A2) (X-Y Plane) (Y-Z Plane) Page 14 of 21

(X-Z Plane) Page 15 of 21

3.1.3. WY PIFA(A1)-直立式 PIFA(A1) (X-Y Plane) (Y-Z Plane) Page 16 of 21

(X-Z Plane) Page 17 of 21

3.1.4. WY PIFA(A2)- 直立式 PIFA(A2) (X-Y Plane) (Y-Z Plane) Page 18 of 21

(X-Z Plane) Page 19 of 21

4. Summary 4.1. Return Loss PIFA(A1)-(dB) PIFA(A2)-(dB) 2.40 GHz -14.60 -12.94 2.45 GHz -14.11 -28.23 2.50 GHz -12.52 -11.86 4.2. Isolation PIFA(A1)-J PIFA(A2) (dB) 2.40 GHz -33.98 2.45 GHz -37.45 2.50 GHz -45.97 4.3. 3D total Peak Gain Performance Comparison(平躺式) PIFA(A1) (dBi) PIFA(A2) (dBi) 2.40 GHz 2.00 0.72 2.45 GHz 2.12 1.15 2.50 GHz 1.93 0.95 4.4. 3D total Peak Gain Performance Comparison(直立式) PIFA(A1) (dBi) PIFA(A2) (dBi) 2.40 GHz 1.42 0.70 2.45 GHz 1.77 1.12 2.50 GHz 1.40 0.85 Page 20 of 21

4.5. 3D total Efficiency Performance Comparison(平躺式) PIFA(A1) (﹪) PIFA(A2) (﹪) 2.40 GHz 48 54 2.45 GHz 50 60 2.50 GHz 43 58 4.6. 3D total Efficiency Performance Comparison(直立式) PIFA(A1) (﹪) PIFA(A2) (﹪) 2.40 GHz 49 58 2.45 GHz 52 63 2.50 GHz 44 61 Page 21 of 21


Document Created: 2009-08-03 14:55:43
Document Modified: 2009-08-03 14:55:43
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