High Frequency Ceramic Solutions WiMAX 2.3 - 2.7 GHz Chip Antenna P/N 2500AT44M0400 Detail Specification: 07/29/09 Page 1 of 3 General Specifications Part Number 2500AT44M0400 Input Power 3W max. Freq. Range (MHz) 2300 - 2700 Impedance 50 Ω Peak Gain (XZ-V) 2.5 dBi typ. Operating Temp. -40 to +85°C Average Gain (XZ-V) 0.5 dBi typ. Reel Quanity 1,000 Return Loss 9.5 dB min. Terminal Configuration Packaging Bulk Suffix = S Eg. 2500AT44M0400S No. Function P/N Style T & R Suffix = E Eg. 2500AT44M0400E 1 Feeding Point Suffix Termination 100% Tin Suffix = None Eg. 2500AT44M0400(E or S) 2 NC Style Tin / Lead Suffix = /Pb Eg. 2500AT44M0400(E or S)/Pb 2 1 Mechanical Dimensions In mm L 0.315 ± 0.008 8.00 ± 0.20 W W 0.039 ± 0.008 1.00 ± 0.20 L T 0.039 ± 0.008 1.00 ± 0.20 a a 0.020 ± 0.008 0.50 ± 0.20 T b 0.039 ± 0.008 1.00 ± 0.20 b Mounting Considerations Mount these devices with white mark facing up. Units: mm * Line width should be designed to provide 50 Ω impedance matching characteristics, depending on PCB material and thickness. With Feeding line Matching Circuits 1 pF 1.5 2.7 nH 1 1 7 1 JTI P/N for Matching Circuit: Ground Cap (1.0pF): 500R07S1R0BV4T No Ground Inductor (2.7nH): L-07C2N7SV6T (Matching circuit and component values will be different, depending on PCB layout) Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2009 Johanson Technology, Inc. All Rights Reserved

High Frequency Ceramic Solutions WiMAX 2.3 - 2.7 GHz Chip Antenna P/N 2500AT44M0400 Detail Specification: 07/29/09 Page 2 of 3 Mounting Considerations ) ) ) Test Board ) Units in mm ) ) ) ) Matching circuits Antenna Ground 20 Feeding line No Ground 40 12 Return Loss - With Matching Circuits ) Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2009 Johanson Technology, Inc. All Rights Reserved

High Frequency Ceramic Solutions WiMAX 2.3 - 2.7 GHz Chip Antenna P/N 2500AT44M0400 Detail Specification: 07/29/09 Page 3 of 3 Ant1 Radiation Patterns )) )) )) XY cut @2.45GHz )) Vertical XY-V/XY-H )) )) )) Z Horizontal )) 180° X 90° 270° Y 0° XY-cut scanning direction XZ-V/XZ-H XZ cut @2.45GHz Y Vertical Horizontal 180° X 90° 270° Z 0° XZ-cut scanning direction )) YZ cut @2.45GHz YZ-V/YZ-H X Vertical Horizontal 180° Y 90° 270° Z 0° YZ-cut scanning direction Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2009 Johanson Technology, Inc. All Rights Reserved

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