Antennan 2

FCC ID: LDK102062

Parts List/Tune Up Info

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FCCID_824307

3/25/2005 Coho 6 dBi Patch Technical Specification Document Number: EDCS-399468 Revision: 2.0 Author: Steve Saliga Manager: Fred Anderson Coho 6 dBi Patch Antenna Specification (AIR-ANT2460P-R) Headline This document outlines the technical requirements for a 2.4 GHz, 6 dBi patch antenna that can be connected directly to a Cisco AP via an RP-TNC connector. This Cisco design is intended to replace an antenna that is procured from an outside supplier. A printed version of this document is an uncontrolled copy. Cisco Systems, Inc. Page 1 of 7 Company Confidential

3/25/2005 Coho 6 dBi Patch Technical Specification Approvals Name/Title Signature Date Fred Anderson Manager, RF Engineering Jim Mass Manager, Mechanical Engineering Jenny Adams Product Manager David Stiff Manager, Technical Marketing Jim Nicholson EMC Compliance Engineer Reviewers Name/Title Signature Date Mike Smedley Manager, WNBU NPI Manufacturing Tom Dirrig New Product Introduction Engineer Tony Winston Manager, Manufacturing Engineering Revision History Rev Date Author Comment 1.0 2/23/2005 Steve Saliga Initial Release, using simulated results for electrical specs Updated the patterns and the electrical specs after prototyping. 2.0 3/25/2005 Steve Saliga Also updated the physical size of the patch, the dielectric and the ground plane. A printed version of this document is an uncontrolled copy. Cisco Systems, Inc. Page 2 of 7 Company Confidential

3/25/2005 Coho 6 dBi Patch Technical Specification 1. Introduction This document describes the set of specifications for a single patch antenna to be used in the 2.4 GHz band. The basic features of this antenna are as follows: • Directional antenna for indoor/outdoor operation • RP-TNC Connector with 3-ft of plenum rated, cold temperature capable cable. • Operates over the entire 2.4 GHz band. • Peak gain is around 6 dBi In general, this antenna will be housed in a white polycarbonate radome very similar to the Coho AIR-ANT2485P-R. It will be built with 3 feet of off-white plenum rated cable and terminated in an RP-TNC. The specifications for this antenna will be presented sequentially with Electrical Specifications first, followed by Mechanical/Environmental Specifications and General Specifications. 2. Physical Appearance The actual antenna inside the radome is expected to be built on a fairly large ground plane of about 90 mm x 100 mm (3.5 in x 4.3 in). This large ground plane size allows for the use of a simple radome that fits over the ground plane rather than use two pieces of plastic to form the enclosure. This will lend itself to a (roughly) square radome that may look something like that shown in the preliminary drawing in Figure 2.1. Figure 2.1 Preliminary Industrial Design of the 6 dBi Patch Antenna A printed version of this document is an uncontrolled copy. Cisco Systems, Inc. Page 3 of 7 Company Confidential

3/25/2005 Coho 6 dBi Patch Technical Specification 3. 6 dBi Patch Antenna Specification This section contains both the electrical and mechanical specs for the Coho 6 dBi patch antenna. Basically, this is a single patch antenna built with a high density polyethylene dielectric over a ground plane. The antenna will have 3 feet of white/off-white plenum rated coaxial cable capable of operating down to -30 C. 3.1. Antenna Electrical Specifications and Patterns The electrical specifications for this antenna are summarized in Table 3.1.1 below. H- and E-plane patterns covering the whole band are shown in Figures 3.1.1.and 3.1.2. Note that the patterns include all cable loss as well as losses associated with a radome. 6 dBi Patch Antenna - Electrical Specifications Minimum Maximum Parameter Design Goal Notes Acceptable Acceptable Single Patch 1 Antenna Type Antenna Operating 2400 MHz - 2 Frequency 2484 MHz Range Nominal Input 3 50 Ω Impedance 2:1 VSWR 2400 MHz – 4 Bandwidth 2484 MHz More like 6.5 dBi 5 Peak Gain 6 dBi including Cable Loss 6 Polarization Linear, Vertical E-Plane 3 dB 7 69 degrees Beamwidth H-Plane 3-dB 8 75 degrees Beamwidth 9 F/B Ratio 18 dB Cross-Pol Within the main 10 15 dB Discrimination beam. The antenna is a single patch built with a HDPE dielectric over a ground plane. The patch is about 40 mm W x 38.8 mm L and is formed from a single piece 11 Construction of brass. The feed is located 10.5 mm from the edge of the patch. The ground plane is 90 mm x 100 mm and is built from 2.6 mm thick aluminum. The dielectric is ¼” thick 90 mm x 100 mm 12 Size (3.5 in x 3.9 in) Table 3.1.1 Coho 6 dBi Patch Antenna, Electrical Specifications A printed version of this document is an uncontrolled copy. Cisco Systems, Inc. Page 4 of 7 Company Confidential

3/25/2005 Coho 6 dBi Patch Technical Specification Prototype H-Plane Patterns, AIR-ANT2460P-R 10 5 315 0 45 -5 -10 -15 -20 -25 270 90 225 135 180 Figure 3.1.1 AIR-ANT2460P-R, Prototype H-Plane Patterns Prototype E-Plane Patterns, AIR-ANT2460P-R 10 5 315 0 45 -5 -10 -15 -20 -25 270 90 225 135 180 Figure 3.1.2 AIR-ANT2460P-R, Prototype E-Plane Patterns A printed version of this document is an uncontrolled copy. Cisco Systems, Inc. Page 5 of 7 Company Confidential

3/25/2005 Coho 6 dBi Patch Technical Specification 3.2.Antenna Mechanical and Environmental Specifications The mechanical specifications will cover the physical appearance of the antenna as well as all mounting, cable and connectors. The mechanical and environmental specs are summarized in Table 3.2.1. 6 dBi Patch Antenna - Mechanical /Environmental Specifications Minimum Max Parameter Design Goal Notes Acceptable Acceptable 1 Radome Length 4.0 inches 2 Radome Width 3.6 inches 3 Radome Height < 1 inch Radome 4 0.060 inches Thickness Lexan™ 5 Radome Material EXL 9330 6 Radome Color White GE Color #WH9B084 Antenna 7 1/4” thick HDPE Color is opaque white Dielectric Plenum Rated, UV Times AA-9303 8 Cable Type Stable, Cold or equivalent Temperature Capable 9 Cable Color White/Off White Pantone Cool Grey 2C 10 Cable Length 36 in 36 in 38 in 11 Connector Type RP-TNC Male Wall mountable with four screws. Decorative screw caps will cover the 12 Mounting Options screw heads. 13 Environment Indoor/Outdoor Operating 14 Temperature -30 C to +70 C -30 C to +70 C Range Storage 15 -40 C to +85 C Temperature IEC 60529, Code IP-X4, Splashing Water. Total test time is 10 minutes 16 Water Tightness according to spec. VSWR still as specified. 17 Salt Mist MIL-STD-810F, Method 509.4, 5% salt solution. VSWR still as specified Product shall be tested per section 4.3.5 of ENG-3396, Rev. 10, Industrial Product (Cisco standard test). Vibration Test 18 (non-operational) VSWR still as specified and no deformation or exterior damage such that the product is considered “un-sellable”. A printed version of this document is an uncontrolled copy. Cisco Systems, Inc. Page 6 of 7 Company Confidential

3/25/2005 Coho 6 dBi Patch Technical Specification Product shall be tested per section 4.3.3 of ENG-3396, Rev. 10, Industrial Product (Cisco standard test). Humidity Test 19 (non-operational) VSWR still as specified and no deformation or exterior damage such that the product is considered “un-sellable”. Product shall be tested per section 4.3.4 of ENG-3396, Rev. 10, Industrial Mechanical Product (Cisco standard test). 20 Shock (non- operational) VSWR still as specified and no deformation or exterior damage such that the product is considered “un-sellable”. Product shall be tested per section 4.3.1 of ENG-3396, Rev. 10, Industrial Temperature Product (Cisco standard test). 21 Shock (non- operational) VSWR still as specified and no deformation or exterior damage such that the product is considered “un-sellable”. 22 Cable Pull Test 15-lbs straight pull with antenna held fixed. 1 meter drop to tile, 3 drops vertically and horizontally, unpackaged. 23 Drop Test VSWR is still as specified. No damage to the radome that would render the product unusable. Table 3.2.1 Coho 6 dBi Patch, Mechanical and Environmental Specifications 3.3. General Requirements The antenna markings and documentation requirements are outlined below in Table 3.3.1. 6 dBi Patch Antenna - General Requirements 1 Antenna Marking The radome will be Cisco branded with a pad-printed logo. Samples will be created and submitted according to a mutually agreed 2 Samples upon plan between the program team and Cisco engineering. Table 3.3.1 Coho 6 dBi Patch Antenna, General Requirements A printed version of this document is an uncontrolled copy. Cisco Systems, Inc. Page 7 of 7 Company Confidential


Document Created: 2007-08-02 07:29:59
Document Modified: 2007-08-02 07:29:59
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