PIDASMAX49Hybrid System Transmitter

IP-based Broadband Wireless Access (BWA) System 605-0000-703 Rev D EasyST 4.9 Hardware Installation Guide T h e I n n o v a t i o n B e h i n d B r o a d b a n d W i r e l e s s Connecting the World ii Table Of Contents Warnings...........................................................................................................................2 Human Exposure to Radio Frequencies................................................................................2 Radio Interference...........................................................................................................2 Avoiding Radio Interference...............................................................................................2 Modifications...................................................................................................................2 Manufacturer's Disclaimer Statement..................................................................................2 Declaration of Conformity....................................................................................................3 European Community, Switzerland, Norway, Iceland, and Liechtenstein...................................3 Declaration of Conformity with Regard to the R&TTE Directive 1999/5/EC.................................3 Fcc Interference statement...................................................................................................5 Federal Communication Commission Interference Statement..................................................5 About this Guide.................................................................................................................6 Purpose..........................................................................................................................6 Targeted Audience...........................................................................................................6 Referenced Documentation................................................................................................6 Conventions....................................................................................................................6 System Overview................................................................................................................7 Main Features..................................................................................................................7 Customer Benefits............................................................................................................8 Architecture....................................................................................................................8 EasyST Models..............................................................................................................9 EasyST Block Diagram...................................................................................................9 EasyST Protocols Stack................................................................................................10 Theory of Operation.....................................................................................................11 Getting Started.................................................................................................................12 Package Contents...........................................................................................................12 Minimum PC Requirements..............................................................................................12 Physical Description..........................................................................................................13 Physical Dimensions.......................................................................................................13 Ports............................................................................................................................13 LEDs............................................................................................................................14 LED Button....................................................................................................................16 Connecting EasyST to a PC.................................................................................................17 Connecting EasyST to Power...............................................................................................19 Changing the AC/DC Power Adapter's Prongs.....................................................................19 Connecting EasyST to AC/DC Power Adapter......................................................................19 Mounting EasyST..............................................................................................................21 Optimizing Performance.....................................................................................................22 Table Of Contents iii Resetting to Default Settings..............................................................................................24 Attaching Clip-On Antenna.................................................................................................25 Specifications...................................................................................................................28 EasyST Specifications.....................................................................................................28 Power Adapter Specifications...........................................................................................30 Troubleshooting................................................................................................................32 General...........................................................................................................................33 Revisions.........................................................................................................................33 Contact Informat…

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IP-based Broadband Wireless Access (BWA) System 605-0000-707 Rev C ProST 4.9 Hardware Installation Guide T h e I n n o v a t i o n B e h i n d B r o a d b a n d W i r e l e s s Connecting the World ii Table Of Contents Warnings and Notices.....................................................................................................2 Radio Interference......................................................................................................2 Avoiding Radio Interference..........................................................................................2 Modifications..............................................................................................................2 General.....................................................................................................................2 Manufacturer's Disclaimer Statement.............................................................................2 Declaration of Conformity...............................................................................................3 European Community, Switzerland, Norway, Iceland, and Liechtenstein..............................3 Declaration of Conformity with Regard to the R&TTE Directive 1999/5/EC............................3 Preface.........................................................................................................................5 Purpose.....................................................................................................................5 Targeted Audience......................................................................................................5 Referenced Documentation...........................................................................................5 Conventions...............................................................................................................5 System Overview...........................................................................................................6 Main Features.............................................................................................................6 Customer Benefits.......................................................................................................6 Architecture...............................................................................................................7 ProST Models...........................................................................................................7 ProST Block Diagram...................................................................................................8 ProST Protocols Stack..................................................................................................8 Theory of Operation....................................................................................................9 Getting Started............................................................................................................10 Package Contents......................................................................................................10 Minimum PC Requirements.........................................................................................10 Required Tools..........................................................................................................10 Radio Site Planning...................................................................................................11 Minimal Radio Path Obstructions...............................................................................11 Fresnel Zone Clearance...........................................................................................11 Multipath Fading....................................................................................................12 Radio Antenna Alignment........................................................................................12 Physical Description.....................................................................................................13 ProST......................................................................................................................13 Physical Dimensions...............................................................................................13 Port......................................................................................................................13 SDA-1 Physical Description.........................................................................................14 Physical Dimensions...............................................................................................14 Ports....................................................................................................................14 LED......................................................................................................................14 SDA-4S Type II and SDA-4S/VL Type II (Optional).........................................................14 Physical Dimensions...............................................................................................15 Table Of Contents iii Ports....................................................................................................................15 LEDs....................................................................................................................16 Mounting....................................................................................................................17 Wall Mounting...........................................................................................................17 Pole Mounting...........................................................................................................20 SDA-4S...................................................................................................................23 Desktop Mounting......................................................................................…

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ProST/EasyST 4.9 Block diagram SAW810MHz 40MHz ATTEN . 854MHz RF PLL4.1-4.2GHz XTAL 4.9-5GHz Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49

Airspan Networks (Israel) Ltd. Unitronics Bldg., 1 Harava street, P.O.B. 199, Airport City, 70100, Israel tel. +972 3977 7444 FAX: +972 3977 7400 www.airspan.com American TCB 6731 Whittier Ave Suite C110 McLean, VA 22101 USA May 15, 2006 Subject: Application for certification of the terminal station transceiver, FCC ID:PIDASMAX49, model names: 1) EasyST 4.9 GHz TDD 2) ProST 4.9 GHz TDD. Dear Gentlemen, Please find attached our application for certification of the terminal station transceiver, model names EasyST 4.9 GHz TDD, ProST 4.9 GHz TDD, FCC ID: PIDASMAX49, prepared in accordance with FCC Rules, parts 2 and 90. The product testing and this application for certification were performed by Hermon Laboratories, which is listed by FCC (Registration Numbers 90623, 90624). Hermon Labs responsible person is Mr. Alex Usoskin, CEO, tel: 011 972 4628 8001, fax:011 972 4628 8277, e-mail:[email protected]. Please send an invoice to Hermon Labs. We hope this application satisfies your requirements. Sincerely yours Zion Levi compliance & testing engineer Airspan Networks (Israel) Ltd.

Airspan Networks (Israel) Ltd. Unitronics Bldg., 1 Harava street, P.O.B. 199, Airport City, 70100, Israel tel. +972 3977 7444 FAX: +972 3977 7400 www.airspan.com May 15, 2006 American TCB 6731 Whittier Ave Suite C110 McLean, VA 22101 USA Subject: Request for confidentiality, FCC ID:PIDASMAX49 Dear Gentlemen, In regards the exhibits submitted in support of the application for FCC ID:PIDASMAX49, please classify the following as confidential under the provision of 47 CFR 0.459: 1) Schematic diagram, file “Schematic_diagram_16897” (4 pages) of this Application; 2) Parts list, file “Parts_list_16897” (6 pages). These exhibits contain technical information which Airspan Networks (Israel) Ltd. deems to be sensitive and proprietary. Therefore this information cannot be published. If this information were to be made public it could be used to the disadvantage of the applicant in the marketplace. Many thanks in advance. Sincerely yours Zion Levi compliance & testing engineer Airspan Networks (Israel) Ltd.

Company name: Airspan Networks (Israel) Ltd Address: Harava St,”Unitronics” building Airport City 70100, P.O.199 Israel EasyST ProST statement DC voltages/ currents supplied to elements of the final radio frequency amplifying device for normal operation over the power range: 6.5 V/ 0.8 A. Name of authorized person: Zion Levy Position: Compliances & Testing Engineer Date:May 10, 2006 Airspan Networks (Israel) Ltd., Israel Tel: +972-3-9777444 ; Fax: +972-3-9777400, www.airspan.com

HERM O N LA BO RA TO RIES June 27, 2006 American TCB 6731 Whittier Ave Suite C110 McLean, VA 22101 Attn: Mr. Douglas Noble, Examining Compliance Engineer RE: your e-mail dated June 21, 2006; Airspan Networks Ltd. FCC ID: PIDASMAX49, ATCB003479 Dear Mr. Noble, Please find below the answer to the FCC question: 1. Throughout peak output power measurements with power meter (refer to Tables 7.1.2, 7.1.4, 7.1.6 of the test report AIRRAD_FCC.16897_rev1) the observation period was long enough to capture the peak values. 2. To prove that, all plots with RMS detector results show the Total channel power, e g., Plot 7.1.3: Total channel power 18.7 dBm, with taking in consideration average factor of 0.52 dB the peak power will be 19.2 dBm (in Table 7.1.2 it is 20.1 dBm). 3. All results obtained with a power meter are approximately 1 dB higher the results shown in the plots. Sincerely, Marina Cherniavsky, certification engineer Hermon Laboratories

Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 1 of 10 EXTERNAL PHOTOGRAPHS This document contains 9 photographs Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 2 of 10 Photograph No.1 EasyST with external antenna general view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 3 of 10 Photograph No.2 EasyST without antenna front view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 4 of 10 Photograph No.3 EasyST rear side view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 5 of 10 Photograph No.4 EasyST rear side view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 6 of 10 Photograph No.5 EasyST RS232 adapter view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 7 of 10 Photograph No.6 EasyST RS232 adapter second side view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 8 of 10 Photograph No.7 ProST front view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 9 of 10 Photograph No.8 ProST rear side view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 10 of 10 Photograph No.9 ProST side panel view The appropriate label shown in “Label_location_16897” file will be affixed to the side panel.

Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 1 of 3 LABEL The labels shown below are affixed on the bottom of the EasyST and side panel of ProST radio units as shown below. The label material is PVC with a permanent adhesive. EasyST 4.9 GHz TDD bottom, label with FCC ID:PIDASMAX49 location FCC ID:PIDASMAX49 Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 2 of 3 Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 3 of 3 ProST 4.9 GHz TDD side panel, label with FCC ID:PIDASMAX49 location FCC ID:PIDASMAX49

Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 1 of 15 INTERNAL PHOTOGRAPHS This document contains 14 photographs Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 2 of 15 Photograph No.1 EasyST internal view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 3 of 15 Photograph No.2 EasyST internal view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 4 of 15 Photograph No.3 EasyST PCB front view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 5 of 15 Photograph No.4 EasyST PCB second side view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 6 of 15 Photograph No.5 ProST internal view without cover Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 7 of 15 Photograph No.6 ProST internal view (cover with antenna) Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 8 of 15 Photograph No.7 ProST antenna view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 9 of 15 Photograph No.8 ProST cover internal view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 10 of 15 Photograph No.9 ProST internal view with adapter removed Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 11 of 15 Photograph No.10 ProST internal view without transmitter cover Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 12 of 15 Photograph No.11 ProST PCB view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 13 of 15 Photograph No.12 ProST PCB front view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 14 of 15 Photograph No.13 ProST adapter view Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 Date: May 2006 Page 15 of 15 Photograph No.14 ProST adapter view

Technical Note WiMAX 4.9 GHz ProST EasyST 4.9GHz Connecting the World with Wireless Access Solutions Revision Record: WiMAX 4.9GHz Pub/ Rev Date Update Description 01 May-06 Airspan. Author: InterDoc Publication No. 28080511-01  Copyright by Airspan Networks LTD., 2003. All rights reserved worldwide. The information contained in this document is proprietary and is subject to all relevant copyright, patent and other laws protecting intellectual property, as well as any specific agreement protecting Airspan Networks LTD. rights in the aforesaid information. Neither this document nor the information contained herein may be published, reproduced or disclosed to third parties, in whole or in part, without the express, prior, written permission of Airspan Networks LTD. In addition, any use of this document or the information contained herein for any purposes other than those for which it was disclosed is strictly forbidden. Airspan Networks LTD. reserves the right, without prior notice or liability, to make changes in equipment design or specifications. Information supplied by Airspan Networks LTD. is believed to be accurate and reliable. However, no responsibility is assumed by Airspan Networks LTD. for the use thereof nor for the rights of third parties which may be effected in any way by the use thereof. Any representation(s) in this document concerning performance of Airspan Networks LTD. product(s) are for informational purposes only and are not warranties of future performance, either express or implied. Airspan Networks LTD. standard limited warranty, stated in its sales contract or order confirmation form, is the only warranty offered by Airspan Networks LTD. in relation thereto. This document may contain flaws, omissions or typesetting errors; no warranty is granted nor liability assumed in relation thereto unless specifically undertaken in Airspan Networks LTD. sales contract or order confirmation. Information contained herein is periodically updated and changes will be incorporated into subsequent editions. If you have encountered an error, please notify Airspan Networks LTD. All specifications are subject to change without prior notice. MiMAX 4.9 Technical Note 28080511-01 Airspan Networks Ltd. 3 1. Scope This document provides a description of the WiMAX 4.9 GHz product. 2. ProST A subscriber premises radio, ProST 4.9 GHz TDD Int., is part of a WiMAX broadband fixed cellular wireless access system. The system provides a radio link between an end-user (a subscriber) and a network to give high-speed data access. The ProST’s transceiver/receiver (Up to 64 QAM modulation, data rate up to 36 Mbps) uses OFDM and operating in TDD duplexing mode, equipped with a 17 dBi internal antenna. The maximum RF output power (not including antenna gain) is 20.8 dBm and it can be reduced by software. The ProST is installed outdoors and typically is mounted on a pole. The ProST transmits and receives traffic to and from the base station (i.e. BSR) respectively. The transceiver provides subscribers with "always-on" Internet, high speed data only, or data and voice (VoIP) services and is configured with a unique BSR reference number, preventing the ProST from relocating to another subscriber premises without authorization. The ProST radio has the same PCB components as the EasyST, and differs only chassis and 48V adapter. . 2.1. EUT (ProST) test configuration The EUT ports and lines description is given in the table below. Port type Port description Connector type QuantityCable type Cable length (m) Indoor /outdoor Connected to Data + DC 48 VDC + Ethernet 15-pin D-type 1 Cat. 5 – 4x2 twisted pair 100 Outdoor SDA MiMAX 4.9 Technical Note 28080511-01 Airspan Networks Ltd. 4 3. EasyST A subscriber premises radio, EasyST 4.9 GHz TDD Int., is part of a WiMAX broadband fixed cellular wireless access system. The system provides a radio link between an end-user (a subscriber) and a network to give high-speed data access. The EasyST’s transceiver/receiver (Up to 64 QAM modulation, data rate up to 36 Mbps) uses OFDM and operating in TDD duplexing mode, equipped with a 9 dBi Ext. antenna. The maximum RF output power (not including antenna gain) is 20.8 dBm and it can be reduced by software. The EasyST is a safe install unit and located indoor. The EasyST transmits and receives traffic to and from the base station (i.e. BSR) respectively. The transceiver provides subscribers with "always-on" Internet, high speed data only, or data and voice (VoIP) services and is configured with a unique BSR reference number, preventing the EasyST from relocating to another subscriber premises without authorization. 3.1. EUT (EasyST) test configuration The EUT ports and lines description is given in the table below. Port type Port description Connector type QuantityCable type Cable length (m) Indoor /outdoor Connected to DC 6 VDC DC 1 - 1 Indoor DC PS RJ45 Ethernet. RJ45 1 RJ45 1 Indoor PC Antenna RF output/input MCX 1 - - Indoor External antenna

Directional 4-Sector Antenna for 5.0 GHz TBD Electrical Specification Frequency range 4900 MHz - 5000 MHz Gain 9 dBi VSWR 1.5 : 1 Max. Polarization Linear, vertical HPBW / horizontal 90 o HPBW / vertical 25 o Front to back ratio 12 dB Power handling 1 W (cw) Impedance 50 ohms Connector MCX & Control Evironmental & Mechanical Characteristics Temperature - 30 o C to +75 o C Humidity 95% @ 25 C o Radome color TBD Radome material ABS, UV resistant Weight TBD Dimensions 113 x 55 mm Preliminary http:// www.smartant.com TEL: +886 (0)3 578-3188 FAX: +886 (0)3 578-3189 E-mail: [email protected] All right reserved by SmartAnt Telecom Co., Ltd. 0.3 H-Plane Co-polarization Pattern V-Plane Co-polarization Pattern -180-150-120-90-60-300306090120150180 -20 -15 -10 -5 0 5 10 15 Magnitude (dBi) Angle (degree) 4900 MHz H-plane 5000 MHz H-plane PS: Antenna Efficiency = 75% -180-150-120-90-60-300306090120150180 -20 -15 -10 -5 0 5 10 15 Magnitude (dBi) Angle (degree) 4900 MHz V-plane 5000 MHz V-plane PS: Antenna Efficiency = 75%

MTI WIRELESS EDGE LTD.MT – 464008/MV REV- SCALE: NONE DOC NO. RD41764000CSHEET 1 OF 3 SPECIFICATION FOR MT –464008 /MV SUBSCRIBER ANTENNA 4.9- 5.875 GHz, 17 dBi THIS DOCUMENT AND THE INFORMATION CONTAINED IN IT ARE PROPRIETARY AND CONFIDENTIAL TO MTI. NO PERSON IS ALLOWED TO COPY REPRINT REPRODUCE OR PUBLISH ANY PART OF THIS DOCUMENT NOR DISCLOSE ITS CONTENTS TO OTHERS NOR MAKE ANY USE OF IT NOR ALLOW OR ASSIST OTHERS TO MAKE ANY USE OF IT, UNLESS BY THE PRIOR WRITTEN EXPRESS AUTHORIZATION OF MTI AND THEN ONLY TO THE EXTENT AUTHORIZED. (C) COPYRIGHT –MTI WIRELESS EDGE LTD. MTI WIRELESS EDGE LTD.SPECIFICATION FOR MT – 464008/MV SUBSCRIBER ANTENNA DOC NO. RD41764000C4.9-5.875 GHz, 17 dBi SCALE: NONE CLASSIFICATION: NONEREV-SHEET 2 OF 3 REVISION RECORD DATE APVD DESCRIPTION ECO REV 56 55 54 53 52 51 50 49 48 47 46 45 44 43 SHEET REV 42 41 40 39 38 37 36 35 34 33 32 31 30 29 SHEET REV 28 27 26 25 24 23 22 21 20 19 18 17 16 15 SHEET REV 14 13 12 11 10 9 8 7 6 5 4 3 2 1 SHEET A A A REV PRODUCT STATUS: PRODUCTION PREPRODUCTION IN DEVELOPMENT PROPOSAL CONTRACT NO DATE SIGN NAME ACTION 23.11.05 YAEL YAEL HRASH PREP DOV FEINER CHKD CHKD CHKD ASAF HAVIV DSGN MOTI ROSTMY PROJ MFG MOTI MOTOVICH QA EFI AGMON MARK. MTI WIRELESS EDGE LTD.SPECIFICATION FOR MT – 464008/MV SUBSCRIBER ANTENNA DOC NO. RD41764000C4.9-5.875 GHz, 17 dBi SCALE: NONE CLASSIFICATION: NONEREV-SHEET 3 OF 3 SPECIFICATION FLAT PANEL SUBSCRIBER ANTENNA MTI PART NUMBER MT- 464008/MV REGULATORY COMPLIANCE ETSI EN 302 085 V1.1.2 (2001-02) RANGE 1 ELECTRICAL. 1 FREQUENCY RANGE 4.9 – 5.875 GHz GAIN 4.9 – 5.15 GHz 17 dBi (min) 5.15 – 5.875 GHz 17.5 dBi (min) VSWR 1. 5 : 1 (typ) 1.7:1(max) AZIMUTH BEAMWIDTH 9.5°(typ) POLARIZATION Linear Vertical ELEVATION BEAMWIDTH 18° (typ) SIDELOBES LEVEL EN 302 085 V1.1.2 TS2 CROSS POLARIZATION EN 302 085 V1.1.2 TS2 F/B RATIO EN 302 085 V1.1.2 TS2 INPUT IMPEDANCE 50 (ohm) INPUT POWER 6W (max) LIGHTNING PROTECTIONDC Grounded MECHANICAL. 2 DIMENSIONS (LxWxD) PCB 270X150X0.8mm (max) WEIGHT 0.1 kg (max) CONNECTOR MCX- Male RADOME Supply by customer BASE PLATE Supply by customer OUTLINE DRAWING TBD

FCC ID:PIDASMAX49 Company name: Airspan Networks (Israel) Ltd Address: Harava St,”Unitronics” building Airport City 70100, P.O.199 Israel EasyST/ProST statement Each EasyST/ProST radio has been tested by automatic test station. As part of the test , the Maximum RF output power value has been measured. In case the RF output power is higher than specified in the System Description, the EasyST/ProST radio doesn’t pass the test and get Fail status. EasyST/ProST boards with Fail status can not be assembled as part of final product. Name of authorized person: Zion Levy Position: Compliances & Testing Engineer Date: May 11, 2006 Airspan Networks (Israel) Ltd., Israel Tel: +972-3-9777444 ; Fax: +972-3-9777400, www.airspan.com

Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 RF_evaluation_16897_EasyST.doc RF exposure evaluation according to §90.1217 and §1.1310 The EasyST transceiver is classified as mobile, the calculation was done for power density at 20 cm distance. Limit for power density for general population/uncontrolled exposure is 1 mW/cm 2 (for 1500 –100,000 MHz frequency range). The power density P (mW/cm 2 ) = P T / 4π ππ π r 2 P T is the transmitted power, which is equal to the peak transmitter output power 20.8 dBm plus maximum antenna gain 9 dBi, the maximum equivalent isotropically radiated power EIRP is P T = 20.8 dBm +9 dBi = 29.8 dBm = 955 mW. The power density P at 20 cm (minimum safe distance, required for mobile devices), calculated as follows: P = 955 mW / 4π (20 cm) 2 = 0.2 mW/cm 2 < 1 mW/cm 2 General public cannot be exposed to dangerous RF level. .

Airspan Networks (Israel) Ltd. FCC ID:PIDASMAX49 RF_evaluation_16897_ProST.doc RF exposure evaluation according to §90.1217 and §1.1310 The ProST transceiver is classified as fixed. The calculation was done for minimum safety distance. Limit for power density for general population/uncontrolled exposure is 1 mW/cm 2 (for 1500 –100,000 MHz frequency range). The power density P (mW/cm 2 ) = P T / 4π ππ π r 2 P T is the transmitted power, which is equal to the peak transmitter output power 20.8 dBm plus maximum antenna gain 17 dBi, the maximum equivalent isotropically radiated power EIRP is P T = 20.8 dBm +17 dBi = 37.8 dBm = 6026 mW. The minimum safe distance “r”, where RF exposure does not exceed FCC permissible limit, is 21.9 cm. r = sqrt (P T / (Px4π ππ π)) = sqrt (6026 / 12.56) = 21.9 cm The device is mounted outdoors on a pole, hence, no safety hazard exists for human being.

Hermon Labor…

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