W245-SC

Inventek Systems, LLC. DOC-DS-20105-1.0 Inventek Systems Wi-Fi Dual Band Antennas 2.4 & 5 GHz P/N: W245-SC Page 1 of 13 Inventek Systems, LLC. DOC-DS-20105-1.0 Table of Contents 1 2 General Description .................................................................................................... 3 Part Number Detail Description.................................................................................. 3 2.1 Ordering Information .......................................................................................... 3 3 General Features ......................................................................................................... 3 4 Applications ................................................................................................................ 3 5 Electrical Specifications.............................................................................................. 4 5.1 2400-2500 MHz Band......................................................................................... 4 5.2 4900-5900 MHz Band......................................................................................... 4 5.3 Return Loss (S11)................................................................................................. 5 5.4 VSWR (S11) ........................................................................................................ 5 5.5 Smith Chart (S11)................................................................................................. 6 6 Antenna Dimensions (unit: mm)................................................................................. 6 7 Radiation Pattern ......................................................................................................... 7 7.1 2400-2500 MHz Band......................................................................................... 7 7.1.1 3D Gain Pattern at 2442 MHz ........................................................................ 7 7.1.2 Efficiency Table .............................................................................................. 8 7.1.3 Efficiency vs. Frequency ................................................................................ 8 7.2 4900-5900 MHz Band......................................................................................... 9 7.2.1 3D Gain Pattern at 5150 MHz ........................................................................ 9 7.2.2 3D Gain Pattern at 5550 MHz ...................................................................... 10 7.2.3 3D Gain Pattern at 5850 MHz ...................................................................... 11 7.2.4 Efficiency Table ............................................................................................ 12 7.2.5 Efficiency vs. Frequency .............................................................................. 12 8 RoHS ......................................................................................................................... 13 9 Revision Control ....................................................................................................... 13 10 Contact Information .................................................................................................. 13 Page 2 of 13 Inventek Systems, LLC. DOC-DS-20105-1.0 1 General Description The Inventek 2400-2500 and 4900-5900 MHz Dual Band Wi-Fi Chip antennas let you integrate Wi-Fi functionality into your product quickly and easily. It’s suitable for a wide range of applications and recommended for use with Inventek ISM4334x module family. 2 Part Number Detail Description 2.1 Ordering Information Device W245-SC Description 2400-2500 & 4900-5900 MHz Dual Band Wi-Fi chip antenna Ordering Number W245-SC 3 General Features      Stable and reliable in performances Reference layout guideline for Inventek modules available Compact size RoHS compliance SMT Process compatible 4 Applications   IEEE802.11 (a/b/g/n/ac). Hand-held devices when WiFi (802.11 a/b/g/n/ac) functions are needed. Page 3 of 13 Inventek Systems, LLC. DOC-DS-20105-1.0 5 Electrical Specifications 5.1 2400-2500 MHz Band Characteristics Outline Dimensions Working Frequency Bandwidth VSWR Impedance Polarization Gain Peak Efficiency* 5.2 Specifications 3.2 x 1.6 x 0.5 2400~2500 90 (typical) 2 max. 50 Linear Polarization 1.4 (typical) 79 (typical) Unit mm MHz MHz Ω dBi % 4900-5900 MHz Band Characteristics Working Frequency Bandwidth VSWR Impedance Polarization Gain Peak Efficiency* Specifications 5150~5850 700 (typical) 2 max. 50 Linear Polarization 2.3 (typical) 71 (typical) *Efficiency may vary depending on size of the user’s ground plane Page 4 of 13 Unit MHz MHz Ω dBi % Inventek Systems, LLC. 5.3 DOC-DS-20105-1.0 Return Loss (S11) 5.4 VSWR (S11) Page 5 of 13 Inventek Systems, LLC. DOC-DS-20105-1.0 5.5 Smith Chart (S11) 6 Antenna Dimensions (unit: mm) Page 6 of 13 Inventek Systems, LLC. DOC-DS-20105-1.0 7 Radiation Pattern All Radiation patterns were measured with the antenna on a 80 x 40 mm ground plane 7.1 2400-2500 MHz Band 7.1.1 3D Gain Pattern at 2442 MHz Page 7 of 13 Inventek Systems, LLC. DOC-DS-20105-1.0 7.1.2 Efficiency Table Frequency(GHz) 2.400 2.412 2.417 2.422 2.427 2.432 2.437 2.442 2.447 2.452 2.457 2.462 2.467 2.472 2.484 Efficiency(dB) -1.68 -1.35 -1.18 -1.04 -0.98 -1.04 -1.11 -1.14 -1.15 -1.12 -1.07 -1.01 -1.01 -1.07 -1.46 Efficiency(%) 67.94 73.21 76.13 78.67 79.87 78.75 77.37 76.83 76.75 77.20 78.09 79.28 79.18 78.13 71.45 Gain(dBi) 0.75 1.17 1.32 1.38 1.40 1.30 1.32 7.1.3 Efficiency vs. Frequency Page 8 of 13 1.40 1.48 1.45 1.44 1.46 1.39 1.32 1.17 Inventek Systems, LLC. DOC-DS-20105-1.0 7.2 4900-5900 MHz Band 7.2.1 3D Gain Pattern at 5150 MHz Page 9 of 13 Inventek Systems, LLC. DOC-DS-20105-1.0 7.2.2 3D Gain Pattern at 5550 MHz Page 10 of 13 Inventek Systems, LLC. DOC-DS-20105-1.0 7.2.3 3D Gain Pattern at 5850 MHz Page 11 of 13 Inventek Systems, LLC. DOC-DS-20105-1.0 7.2.4 Efficiency Table Frequency(GHz) 5.150 5.200 5.250 5.300 5.350 5.400 5.450 5.500 5.550 5.600 5.650 5.700 5.750 5.800 5.850 Efficiency(dB) -1.46 -1.43 -1.83 -1.45 -1.43 -1.82 -1.99 -1.55 -1.72 -1.58 -1.44 -1.62 -1.77 -1.54 -1.90 Efficiency(%) 71.45 71.88 65.67 71.64 71.90 65.78 63.19 69.92 67.32 69.56 71.73 68.92 66.58 70.09 64.56 Gain(dBi) 2.15 2.30 2.00 2.28 2.14 2.06 1.98 7.2.5 Efficiency vs. Frequency Page 12 of 13 2.39 2.34 2.75 2.88 2.56 2.48 2.55 2.16 Inventek Systems, LLC. DOC-DS-20105-1.0 8 RoHS Restriction of Hazardous Substances (RoHS) directive has come into force since 1st July 2006 all electronic products sold in the EU must be free of hazardous materials, such as lead. 9 Revision Control Document : W245-SC Internal Release Date 5/10/2016 2.4_5GHz Dual Band Wi-Fi antenna DOC-DS-20105 Author KMT Revision 1.0 Comment Preliminary 10 Contact Information Inventek Systems 2 Republic Road Billerica Ma, 01862 Tel: 978-667-1962 Sales@inventeksys.com www.inventeksys.com Inventek Systems reserves the right to make changes without further notice to any products or data herein to improve reliability, function, or design. The information contained within is believed to be accurate and reliable. However Inventek Systems does not assume any liability arising out of the application or use of this information, nor the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others. Page 13 of 13