UKU-RADO1VEX Elementary 900 MHz Radio

VEX 228-2621 900 MHz VEX Radio Module User Guide 03/15/2013 Rev NC www.VEXrobotics.com Page 1 VEX Robotics, Inc. 228-2621 VEX 900 MHz Radio Module User Guide VEX 228 -2 6 21 900 MHz VEX Radio Module User Guide 03/15/2013 Rev NC www.VEXrobotics.com Page 2 Table of Contents 1. Overview ................................................................................................................................. 2 2. Operation ................................................................................................................................. 2 3. FCC / Industry Canada Compliance Information ................................................................... 2 1. Overview This document describes how to use the 228-2621 900 MHz VEX Radio Module. 2. Operation Start with the 228-2530 VEX Controller or 228-2540 VEX Robot Brain turned off. Connect the Radio Module to the VEX Controller or Robot Brain by sliding it in to the radio socket. Power will be applied to the Radio Module when the host device is turned on. Radio Module operation is based on commands from the host. 3. FCC / Industry Canada Compliance Information FCC Compliance Statement (United States): This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These lim it s are designed to provide reasonable protection against harmful interference in a r esidential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connect ed. • Consult the dealer or an experienced radio/TV technician for help. Note: Changes or modifications not expressly appro ved by the party responsible for compliance could void the us er’s authority to operate the equipment. Industry Canada Compliance Statement This device complies with Industry Canada licence-exempt RSS Standards. Operation is subject to the following two conditions: 1) this device may not cause interference, and 2) this device must accept any interference, including interference that may cause undesired operation of the device. Conformité aux normes d'Industrie Canada Cet appareil est conforme aux normes RSS exemptes de licence d'Industrie Canada. Son utilisation doit répondre aux deux conditions suivantes :(1) cet appareil ne doit pas générer d'interférences et (2) il doit supporter toutes les interférences, y compris les interférences susceptibles de provoquer des dysfonctionnements. Appendix A: Document Version History Date Code Changes 2013-03-15 Rev NC. Initial document release.

External photos EUT EUT

Notes: 900 MHz Radio Module 02/15/13 VEX Elememtary / Construction Pre-P roduction Testing Samples Spec. Release FCC ID:UKU-RAD01 vexrobotics.co m YWWDFF Custom manufactured in China for VEX Robotics Inc. IC: 6811A-RAD01 1 the VEX Elememtary Construction 900 MHz Radio Module. Revised the font for the IC number and pad print color to PMS 423c. Model: 228-2621 Radio Module 900 MHz FCC and IC number is printed in PMS 423c. 17.7 x 7.5 mm Both case plastics are molded in PMS 425c. Both case are textured with 1000 grit finish at a minimum. VEX logo graphic is pad printed in PMS 877c Silver and PMS 3005c VEX Blue. See pad printing artwork pages. Revision 3_02/15/13:

Internal photos

1 INTERTEK TESTING SERVICES RF Exposure The Equipment under Test (EUT) is a VEX Elementary 900 MHz Radio unit, model: 228-2621 operating at 902.44 – 927.84MHz with channel spacing 200KHz. The EUT was powered by joystick controller and the joystick controller was powered by a 3.7V rechargeable battery which can be charged by USB port. For more detail information pls. refer to the user manual. Antenna Type: Integral antenna. Antenna Gain: 0dBi. The nominal conducted output power specified: -5dBm +/-3dB. The nominal radiated output power (e.r.p) specified: -7.15dBm (+/- 3dB) Modulation Type: GFSK According to the KDB 447498: T he worst-case Quasi-Peak radiated emission for the EUT is 90.5dBμV/m at 3m in the frequency 902.440MHz The EIRP = [(FS*D) ^2 / 30] mW= -4.73dBm The ERP = EIRP – 2.15 = -6.88 dBm which is within the production variation. The maximun conducted output power specified is -2dBm = 0.63mW The source- based time-averaging conducted output power = 0.63 * Duty factor mW= 0.14 mW The SAR Exclusion Threshold Level: = 3.0 * (min. test separation distance, mm) / sqrt(freq. in GHz) = 3.0 * 5 / sqrt (0.92784) mW = 15.57 mW Si nce the source-based time-averaging conducted output power is well below the SAR low threshold level, so the EUT is considered to comply with SAR requirement without testing. Transmitter Duty Cycle Calculation The duty cycle is simply the on-time divided by the period: The duration of one cycle = 25.4ms Effective period of the cycle = 5.8ms DC = 5.8ms / 25.4ms = 0.2283 or 22.83% FCC ID: UKU-RADO1

• The test results reported in this test report shall refer only to the sample actually tested and shall not refer or be deemed to refer to bulk from which such a sample may be said to have been obtained. • This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to copy or distribute this report. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results referenced from this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. • For Terms And Conditions of the services, it can be provided upon request. • The evaluation data of the report will be kept for 3 years from the date of issuance. TRF: No.: FCC 15C_TX_b Intertek Testing Services Shenzhen Ltd. Kejiyuan Branch 6F, D Block, Huahan Building, Langshan Road, Nanshan District, Shenzhen, P. R. China Tel: (86 755) 8601 6288 Fax: (86 755) 8601 6751 Website: www.china.intertek-etlsemko.com Innovation First, Inc. Application For Certification FCC ID: UKU-RADO1 Product Description: VEX Elementary 900 MHz Radio Model: 228-2621 Report No.: 130321005SZN-001 We hereby certify that the sample of the above item is considered to comply with the requirements of FCC Part 15, Subpart C for Intentional Radiator, mention 47 CFR [10-1-12] Prepared and Checked by: Approved by: Sign on file Chris Chen Engineer Billy Li Supervisor Date: 26 April 2013 INTERTEK TESTING SERVICES TRF No.: FCC 15C_TX_b FCC ID: UKU-RADO1 i LIST OF EXHIBITS INTRODUCTION EXHIBIT 1: General Description EXHIBIT 2: System Test Configuration EXHIBIT 3: Emission Results EXHIBIT 4: Equipment Photographs EXHIBIT 5: Product Labelling EXHIBIT 6: Technical Specifications EXHIBIT 7: Instruction Manual EXHIBIT 8: Miscellaneous Information EXHIBIT 9: Confidentiality Request EXHIBIT 10: Test Equipment List INTERTEK TESTING SERVICES TRF No.: FCC 15C_TX_b FCC ID: UKU-RADO1 ii MEASUREMENT/TECHNICAL REPORT Innovation First, Inc. Model: 228-2621 FCC ID: UKU-RADO1 8 April 2013 This report concerns (check one:) Original Grant X Class II Change Equipment Type: DXT - Part 15 Low Power Transceiver, Rx Verified Deferred grant requested per 47 CFR 0.457(d)(1)(ii)? Yes No X If yes, defer until: date Company Name agrees to notify the Commission by: date of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? Yes No X If no, assumed Part 15, Subpart C for intentional radiator − the new 47 CFR [10-1-12 Edition] provision. Report prepared by: Chris Chen Intertek Testing Services Shenzhen Ltd. Kejiyuan Branch 6F, Block D, Huahan Building, Langshan Road, Nanshan District, Shenzhen, P. R. China Phone: (86 755) 8614 0629 Fax: (86 755) 8601 6751 INTERTEK TESTING SERVICES TRF No.: FCC 15C_TX_b FCC ID: UKU-RADO1 iii Table of Contents 1.0 General Description ............................................................................................ 2 1.1 Product Description ............................................................................................ 2 1.2 Related Submittal(s) Grants ............................................................................... 2 1.3 Test Methodology ............................................................................................... 2 1.4 Test Facility ........................................................................................................ 2 2.0 System Test Configuration ................................................................................. 4 2.1 Justification ........................................................................................................ 4 2.2 EUT Exercising Software .................................................................................... 4 2.3 Special Accessories ........................................................................................... 4 2.4 Equipment Modification ...................................................................................... 4 2.5 Measurement Uncertainty .................................................................................. 5 2.6 Support Equipment List and Description ............................................................. 5 3.0 Emission Results ................................................................................................ 7 3.1Radiated Test Results..................................................................... ......8 3.1.1 Field Strength Calculation ................................................................................ 8 3.1.2 Radiated Emission Configuration Photograph .................................................. 9 3.1.3 Radiated Emissions ......................................................................................... 9 3.1.4 Transmitter Spurious Emissions (Radiated)............................................ 11 3.2 Conducted Emission at Mains Terminal................................................... 15 3.2.1 Conducted Emissions Configuration Photograph......................................15 3.2.2 Conducted Emissions........................................................................15 4.0 Equipment Photographs ................................................................................... 19 5.0 Product Labelling .............................................................................................. 21 6.0 Technical Specifications ................…

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conducted photos

Radiated photos Transmitting Mode Normal operation Mode