DAL5250CT17T 5.250 GHZ DIELECTRIC ANTENNA Description The TOKO DAL5250CT17T is a compact, vertically polarized dielectric antenna specifically designed for 5.250 GHz applications including IEEE 802.11a wireless networking. The antenna unit consists of a dielectric element with a 50Ω center terminal permitting direct connection to a 50Ω printed circuit board pattern without a matching circuit. Features Dimensions Center Frequency: 5250 MHz Bandwidth: ± 100 MHz Miniature footprint: 10mm diameter Low profile: 3.4mm Peak Gain: 2.0 dBi (typ.) SWR: 2.0 max. Impedance: 50 Ω Weight: 1.0 gram Operation temperature: - 20°C to + 85°C Storage temperature: - 40°C to + 90°C 3.2 10.0 dia. • • • • • • • • • • 0.85 dia. 3.4 Units: mm Typical Characteristics Horizontal Pattern 30 Vertical Pattern 0 0 330 30 -5 300 -10 60 -15 -15 -20 -20 -25 90 330 -5 -10 60 0 0 -25 90 270 300 270 0° 120 0° 120 240 150 210 180 180° 270° 90° 150 210 180 240 270° 90° 180° NOTE: All characteristics measured with antenna centered on a 50.0mm x 50.0mm ground plane of 0.3mm thichness. The information furnished by TOKO, Inc. is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification or manufacture of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents or other rights of third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc. TOKO America, Inc. 1250 Feehanville Drive, Mount Prospect, Illinois 60056 Tel: (847) 297-0070 Fax: (847) 699-7864 Web: http://www.tokoam.com September 2004 © 2004 TOKO America, Inc. All Rights Reserved Printed in USA CF-241DAL52 R-LOG0904A 1