VUEQLRFM21XAudience response system Module

1 Audience response system Module QL-RFM21X Compliance 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. Changes or modifications to this module not expressly approved by Guangzhou City Qile Technology Co., Ltd. may void the user’s authority to operate this module. NOTE: This module 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 limits are designed to provide reasonable protection against harmful interference in a residential installation. This module 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 module does cause harmful interference to radio or television reception, which can be determined by turning the module 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 receiver or clicker units. • Increase the separation between the equipment and the product. • Connect the affected equipment into an outlet on a circuit different from that to which the receiver’s computer is connected. • Consult your Qile service representative or an experienced radio TV technician for help. 2 1:Introduce The Audience response system Module QL_RFM21X can be used as a drop-in subsystem component. The designer never has to care about things like impedance matching or soldering fine pitch devices. This module is restrict ed to battery-operated devices with two 1.5 V DC batteries. 2.Pin definition and diagram Pin Number Signal 1 GDO1/SO 2 SCLK 3 SI 4 RX/TXDATA(GDO0) 5 GND 6 VDD 7 NC 8 NC 9 GDO2 10 NC 11 CSn First place the module with the antenna on top and with the connector close to your body, then the most left pin is pin #1. 3 3.Operating Rang Parameters Min Max Unit Supply Voltage 2.2 5.5 V Temperature ambient -10 60 °C 4.Electrical Specification Tc=25°C,RFMOD_VDD=3V if nothing else stated 5. Modulation Technology Frequency Shift Keying (FSK)

DATE Nemko Canada Inc 303 River Road Ottawa, Ontario, Canada K1V 1H2 Attn: Director of Certification Authority to Act as Agent On our behalf, I appoint Guangdong Electronic & Electrical Products Inspection and Supervision Institute, 45 South Street Shayongnan village Sanyuanli Guangzhou, (Name and address). to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko Canada Inc, still resides with Guangzhou City Qile Technology Co., Ltd. Address: Meijing Street 68, Changxing Road, Tianhe District, Guangzhou City, Guangdong Province, China. Dated this 27 Day of Nov. 20 07 Agency agreement expiration date: Within 12 months after date By: Cai Chaolai Signature Printed Title: General Manager On behalf of : Guangzhou City Qile Technology Co., Ltd. Telephone: 86-20-37212096

DATE Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: VUEQLRFM21X Product Name: Audience response system Module Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...) • Schematics • Block diagram These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Dated this 27 Day of Nov. 20 07 Agency agreement expiration date: Within 12 months after date By: Cai Chaolai Signature Printed Title: General Manager On behalf of : Guangzhou City Qile Technology Co., Ltd. Telephone: 86-20-37212096

Modular approval letter We Guangzhou City Qile Technology Co., Ltd. wishes to request a modular transmitter approval. Our module Product name: Audience response system Module Model number: QL-RFM21X was deemed to fill the requirements of PART 15 UNLICENSED MODULAR TRANSMITTER APPROVAL. 1. The modular transmitter has its own RF shielding. We declare that the shielding of the module is identical to the sample tested on batch production. 2. The modular transmitter has buffered modulation/data inputs and the module complies with Part 15 requirements under conditions of excessive data rates or over-modulation. 3. The modular transmitter has its own power supply regulation. 4. The modular transmitter complies with the antenna requirements of Section 15.203 and 15.204(c). The antenna is permanently attached 5. The modular transmitter was tested in a stand-alone configuration. The module was not inside another device during testing. The module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. DC power lines and data input/output lines connected to the module do not contain ferrites. The length of these lines is 50 centimeters and there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing are unmodified or commercially available. 6. The outside of the device into which the module is installed displaies a label referring to the enclosed module. This exterior label use wording as following: “Contains FCC ID: VUEQLRFM21X.” An example of which was included in the application for equipment authorization. 7. The modular transmitter complies with any specific rule or operating requirements applicable to the transmitter and we have provided adequate instructions along with the module to explain any such requirements. A copy of these instructions was included in the application for equipment authorization. 8. The modular transmitter complies with any applicable RF exposure requirements. Signature of applicant: Date: 2007-12-13

DECLARATION We Guangzhou City Qile Technology Co., Ltd. declare that the Maximum Peak Output Power of our test sample Product name: Audience response system Module Model number: QL-RFM21X is identical to the product. Signature of applicant: Date: 2007-12-18

Circuit Description The Audience response system Module consists of 4 portions: Control IC (U1) controls the whole Module; The 26MHz crystal provides clock timing for U1. ANT1 is a PCB antenna which can receive and send signal; U2 provides 2V DC to the module; The connector CON1 connects the RF Module to the other device. The RF frequency from 2400MHz to 2483.5MHz Programmable data rate up to 500 kbps

Guangdong Electronic & Electrical Products Inspection and Supervision Institute FCC ID: VUEQLRFM21X Report No.:CGEL2007W0449 Page 1 of 44 Test Report Product Name: Audience response system Module Model No.: QL-RFM21X Brand Name: ENJOY, Qclick, Feedback Genius, Xpress FCC ID: VUEQLRFM21X Applicant: Guangzhou City Qile Technology Co., Ltd. Address: 68 Meijing Street, Changxing Road, Tianhe district, Guangzhou City, Guangdong Province, China. Date of Receipt: 2007-12-4 Date of Test: 2007-12-4 to 2007-12-7 Investigation Requested: FCC Part 15 Subpart C Conclusions: The submitted product COMPLIED with the requirements of FCC Part 15: 2006, Subpart C. The EMC tests were performed in accordance with the standards described above. Prepared By: Reviewed By: Issued Date: 2007-12-7 This report shall not be reproduced in part without written approval of Guangdong Electronic & Electrical Products Inspection and Supervision Institute. Guangdong Electronic & Electrical Products Inspection and Supervision Institute FCC ID: VUEQLRFM21X Report No.:CGEL2007W0449 Page 2 of 44 Contents 1.General Information.......................................................................................................................3 1.1. EUT Description....................................................................................................................3 1.2. Applicant Details....................................................................................................................4 1.3. Test Facility.............................................................................................................................4 2. Test Information and Result Summary...................................................................................5 2.1. Test Statement.......................................................................................................................5 2.2. EUT Modification...................................................................................................................5 2.3. Investigations Requested....................................................................................................5 2.4. Test Standard and Results Summary................................................................................5 2.5.Description of EUT Connection...........................................................................................6 2.6. Measurement Uncertainty...................................................................................................6 3. Conduct Emission.........................................................................................................................7 4. Radiated Emission........................................................................................................................8 4.1. Test equipment and test site...............................................................................................8 4.2. Test setup................................................................................................................................9 4.3. Test Procedure.....................................................................................................................10 4.4. Limits and Test Result........................................................................................................ 11 5. 20 dB Bandwidth..........................................................................................................................37 5.1. Test Equipment....................................................................................................................37 5.2. Test Procedure.....................................................................................................................37 5.3. Test Result............................................................................................................................37 6.Photographs...................................................................................................................................41 Guangdong Electronic & Electrical Products Inspection and Supervision Institute FCC ID: VUEQLRFM21X Report No.:CGEL2007W0449 Page 3 of 44 1.General Information 1.1. EUT Description Model name: Audience response system Module Model number: QL-RFM21X Brand name: ENJOY, Qclick, Feedback Genius, Xpress FCC ID: VUEQLRFM21X Operation frequency: 2400MHz to 2483.5MHz Channel Number: 80 Test Channel: CH1: 2404MHz, CH2: 2444MHz, CH3: 2482MHz Modulation Technology: FSK Antenna: Permanently attached Antenna gain: 3 Power Supply: DC 3V(2 AAA Batteries) Manufacturer: Guangzhou City Qile Technology Co., Ltd. Address: 68 Meijing Street, Changxing Road, Tianhe district, Guangzhou City, Guangdong Province, China. EUT photos: Refer to Clause 5 in this report Guangdong Electronic & Electrical Products Inspection and Supervision Institute FCC ID: VUEQLRFM21X Report No.:CGEL2007W0449 Page 4 of 44 1.2. Applicant Details Applicant: Guangzhou City Qile Technology Co., Ltd. Address: 68 Meijing Street, Changxing Road, Tianhe district, Guangzhou City, Guangdong Province, China. 1.3. Test Facility 3m Anechoic Chamber: FCC Registration Number: 597719 January 18, 2005 EMC Lab. Certificated by Nemko, Shanghai Aut. No.: ELA505 May 30, 2007 Industry Canada Registration Number: 6664A August 22, 2006 Certificated by China National Accreditation Service for Conformity Assessment [CNAS] CNAS Number: L0307 Name of Firm: Guangdong Electronic & Electrical Products Inspection and Supervision Institute. [CGEL] Site Location: 45 South Street Shayongnan village Sanyuanli Guangzhou China. Telephone: 86-20-36377897 Fax: 86-20-36377049 Guangdong Electronic & Electrical Products Inspection and Supervision Institute FCC ID: VUEQLRFM21X Report No.:CGEL2007W0449 Page 5 of 44 2. Test Information and Result Summary 2.1. Test Statement The test results in the report apply only to the unit tested by CGEL. There was no deviati…

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Guangdong Electronic & Electrical Products Inspection and Supervision Institute FCC ID: VUEQLRFM21X Report No.:CGEL2007W0449 Page 43 of 54 Radiated Emission, Worst Case: Test Result of band edge: 2482MHz(Peak) Guangdong Electronic & Electrical Products Inspection and Supervision Institute FCC ID: VUEQLRFM21X Report No.:CGEL2007W0449 Page 44 of 54 Test Result of band edge of CH1: 2482MHz(Average)

Guangdong Electronic & Electrical Products Inspection and Supervision Institute FCC ID: VUEQLRFM21X Report No.:CGEL2007W0449 Page 53 of 54 Photos of Radiated Emission Test 30-1000MHz Guangdong Electronic & Electrical Products Inspection and Supervision Institute FCC ID: VUEQLRFM21X Report No.:CGEL2007W0449 Page 54 of 54 Photos of Radiated Emission Test Above 1000MHz *****End of Test Report*****