EW780-7812-001.9GHz Digital Modulation Cordless Phone



      Base 1921.536~1928.448MHz 1921.536~1928.448MHz Block diagram ANT switch RF & Base Band Controller EEPROM ( AT 24C 64) Crystal 13.824MHZ Antenna 0 LM1117 Voltage regulator Tel Line Tel Line interface Op-amp Pair Key 3 LEDs Antenna 1 AC DC Adaptor Input 117V Output 6V , 300m A & 7V , 300m A USB port Lifter

VTech Telecommunications Ltd Appendix B1 Letter of Agency for FCC Certification 16-July-2010 To whom it may concern, Letter of Agency I, an officer of VTech Telecommunications Ltd. do hereby authorize Intertek Testing Services (Mr. Ken Sit/ Mr. Tommy Leung/Mr. Melvin Nip) to act on our behalf in front of the Federal Communications Commission with respect to all matters relating to certification of equipment under Part 15 and/or Part 95 of the FCC Rules until further notice. I further certify that no party (as defined in §1.2002(b) of CFR 47, 2004) to this application, including myself, is subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C., 862. Regards, Samson Man Approbation Supervisor

INTERTEK TESTING SERVICES External Photos FCC ID: EW780-7812-00 IC: 1135B-80781200 external photos - 1 of 2 INTERTEK TESTING SERVICES External Photos FCC ID: EW780-7812-00 IC: 1135B-80781200 external photos - 2 of 2

INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-7812-00 internal photos - 1 of 5 Base Unit assembly (View 1) Base Unit assembly (View 2) INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-7812-00 internal photos - 2 of 5 Base Unit Main PCB comp side Base Unit Main PCB solder side (View 1) INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-7812-00 internal photos - 3 of 5 Base Unit Main PCB solder side (View 2) Base Unit Keypad front side INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-7812-00 internal photos - 4 of 5 Base Unit Keypad rear side (View 1) Base Unit Keypad rear side (View 2) INTERTEK TESTING SERVICES Internal photos FCC ID: EW780-7812-00 internal photos - 5 of 5 Base Unit Antenna Base Unit Oscillator PCB comp side

Report no.: HK10060831-4 PC Mode (Audio Recording) - PC AC Mains “L” Ctrl No.: N/A PAGE 1 Report No.:HK10060831-4 Scan Settings (1 Range) |--------- Frequencies -----------||----------- Receiver Settings ------------| Start Stop Step IF BW Detector M-Time Atten Preamp OpRge 150k 30M 4.5k 10k PK+AV 10ms AUTO LN OFF 60dB Final Measurement: x QP / + AV Meas Time: 1 s Subranges: 16 Acc Margin: 20dB Transducer No. Start Stop Name 1 1 9k 30M 2454 2 9k 30M 0700 3 9k 30M 0090 0 10 20 30 40 50 60 70 80 90 dBuV 100 0.15 MHz 30 1 10 F15Q F15A Report no.: HK10060831-4 PC Mode (Audio Recording) - PC AC Mains “L” Ctrl No.: N/A Repor t No.:HK1 006 08 31-4 Sca n Settings (1 R ange) |--------- Frequencies -----------||----------- Receiver Settings ------------| Start S top Step IF BW De te ctor M-Time Atten P rea mp OpRge 15 0k 3 0M 4.5 k 1 0k P K+AV 10ms AUTO LN O FF 60 dB Final Measurement Results: Fr eque ncy QP Lev el QP Lim it Delta MHz dBuV dBuV dB 0 .15 000 41 .4 6 6.0 -24. 6 0 .21 300 45 .9 6 3.1 -17. 2 0 .48 300 33 .0 5 6.3 -23. 3 0 .64 500 35 .8 5 6.0 -20. 2 1 .05 450 31 .5 5 6.0 -24. 5 1 .09 500 36 .7 5 6.0 -19. 3 1 .63 050 31 .7 5 6.0 -24. 3 3 .70 050 27 .4 5 6.0 -28. 6 24 .00 00 0 45 .9 60. 0 -14 .1 Fr eque ncy AV Le ve l AV Li mit Delta MHz dBuV dBuV dB 0 .42 900 29 .0 4 7.3 -18. 3 0 .64 500 26 .6 4 6.0 -19. 4 0 .86 550 24 .7 4 6.0 -21. 3 1 .99 950 30 .1 4 6.0 -15. 9 24 .00 00 0 30 .1 50. 0 -19 .9 * limit ex ce eded Report no.: HK10060831-4 PC Mode (Audio Recording) -Base AC Mains “L” Ctrl No.: N/A PAGE 1 Report No.:HK10060831-4 Scan Settings (1 Range) |--------- Frequencies -----------||----------- Receiver Settings ------------| Start Stop Step IF BW Detector M-Time Atten Preamp OpRge 150k 30M 4.5k 10k PK+AV 10ms AUTO LN OFF 60dB Final Measurement: x QP / + AV Meas Time: 1 s Subranges: 16 Acc Margin: 20dB Transducer No. Start Stop Name 1 1 9k 30M 2454 2 9k 30M 0700 3 9k 30M 0090 0 10 20 30 40 50 60 70 80 90 dBuV 100 0.15 MHz 30 1 10 F15Q F15A Report no.: HK10060831-4 PC Mode (Audio Recording) -Base AC Mains “L” Ctrl No.: N/A Report No.:HK10060831-4 Sc an S ett ings (1 Ra nge) |- ---- --- - Frequencies ---- --- ---- ||-- ---- --- -- Receiver Settings - --- ---- --- -| Start Stop Step IF BW Detector M-Time Atten Preamp OpRge 1 50 k 30 M 4. 5k 10 k P K+AV 10ms A UTO LN OFF 60 dB Final Measurement Results: Frequency QP Level QP Limit Delta MHz dBuV dBuV dB 11.99850 28.1 60.0 -31.9 24.00000 40.4 60.0 -19.6 Frequency AV Level AV Limit Delta MHz dBuV dBuV dB no Results * limit exceed Report no.: HK10060831-4 PC mode (Audio Playing) - PC AC Mains “L” Ctrl No.: N/A PAGE 1 Report No.:HK10060831-4 Scan Settings (1 Range) |--------- Frequencies -----------||----------- Receiver Settings ------------| Start Stop Step IF BW Detector M-Time Atten Preamp OpRge 150k 30M 4.5k 10k PK+AV 10ms AUTO LN OFF 60dB Final Measurement: x QP / + AV Meas Time: 1 s Subranges: 16 Acc Margin: 20dB Transducer No. Start Stop Name 1 1 9k 30M 2454 2 9k 30M 0700 3 9k 30M 0090 0 10 20 30 40 50 60 70 80 90 dBuV 100 0.15 MHz 30 1 10 F15Q F15A Report no.: HK10060831-4 PC mode (Audio Playing) - PC AC Mains “L” Ctrl No.: N/A Report No.:HK10060831-4 Sc an S ett ings (1 Ra nge) |- ---- --- - Frequencies ---- --- ---- ||-- ---- --- -- Receiver Settings - --- ---- --- -| Start Stop Step IF BW Detector M-Time Atten Preamp OpRge 150k 30M 4.5k 10k PK+AV 10ms AUTO LN OFF 60dB Final Measurement Results: Frequency QP Level QP Limit Delta MHz dBuV dBuV dB 0.15900 40.7 65.5 -24.8 0.21750 44.9 62.9 -18.0 0.64500 35.0 56.0 -21.0 1.03200 34.6 56.0 -21.4 1.35150 34.4 56.0 -21.6 1.56750 32.1 56.0 -23.9 3.91650 27.8 56.0 -28.2 Frequency AV Level AV Limit Delta MHz dBuV dBuV dB 0.82050 22.3 46.0 -23.7 1.99950 30.3 46.0 -15.7 * limit exceeded Report no.: HK10060831-4 PC Mode (Audio Recording) - PC AC Mains “N” Ctrl No.: N/A PAGE 1 Report No.:HK10060831-4 Scan Settings (1 Range) |--------- Frequencies -----------||----------- Receiver Settings ------------| Start Stop Step IF BW Detector M-Time Atten Preamp OpRge 150k 30M 4.5k 10k PK+AV 10ms AUTO LN OFF 60dB Final Measurement: x QP / + AV Meas Time: 1 s Subranges: 16 Acc Margin: 20dB Transducer No. Start Stop Name 1 1 9k 30M 2454 2 9k 30M 0700 3 9k 30M 0090 0 10 20 30 40 50 60 70 80 90 dBuV 100 0.15 MHz 30 1 10 F15Q F15A Report no.: HK10060831-4 PC Mode (Audio Recording) - PC AC Mains “N” Ctrl No.: N/A Report No.:HK10060831-4 Sc an S ett ings (1 Ra nge) |- ---- --- - Frequencies ---- --- ---- ||-- ---- --- -- Receiver Settings - --- ---- --- -| Start Stop Step IF BW Detector M-Time Atten Preamp OpRge 150k 30M 4.5k 10k PK+AV 10ms AUTO LN OFF 60dB Final Measurement Results: Frequency QP Level QP Limit Delta MHz dBuV dBuV dB 0.15450 38.3 65.7 -27.4 0.21300 43.7 63.1 -19.4 1.07700 36.3 56.0 -19.7 1.10400 36.3 56.0 -19.7 1.61250 32.9 56.0 -23.1 3.87600 27.9 56.0 -28.1 Frequency AV Level AV Limit Delta MHz dBuV dBu V dB 1.99950 30.1 46.0 -15.9 * limit exceeded

- The test report only allows to be revised within the retention period unless further standard or the requirement was noticed. - 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 permit copying or distribution of this report and then only in its entirety. 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 in 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. Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2785 5487 Website: www.hk.intertek-etlsemko.com TEST REPORT Report Number: HK10060831-4 Application for Original Grant of 47 CFR Part 15 Certification 1.9GHz Digital Modulation Cordless Phone with Cordless Headset - Base Unit (Computer Peripheral Portion) FCC ID: EW780-7812-00 Prepared and Checked by: Approved by: Koo Wai Ip Nip Ming Fung, Melvin Lead Engineer Supervisor August 19, 2010 INTERTEK TESTING SERVICES Test Report Number: HK10060831-4 Page 1 of 18 FCC ID: EW780-7812-00 GENERAL INFORMATION Applicant Name: VTech Telecommunications Ltd. Applicant Address: 23/F., Tai Ping Industrial Centre, Block 1, 57 Ting Kok Road, Tai Po, Hong Kong. FCC Specification Standard: FCC Part 15: 2009 FCC ID: EW780-7812-00 FCC Model(s): TL7710, TL7711 Type of EUT: Class B Personal Computers and Peripherals Description of EUT: 1.9GHz Digital Modulation Cordless Phone with Cordless Headset - Base Unit (USB Portion) Serial Number: N/A Sample Receipt Date: June 15, 2010 Date of Test: June 21, 2010 Report Date: August 19, 2010 Environmental Conditions: Temperature: +10 to 40°C Humidity: 10 to 90% INTERTEK TESTING SERVICES Test Report Number: HK10060831-4 Page 2 of 18 FCC ID: EW780-7812-00 Table of Contents 1.0 Summary of Test Results................................................................................... 3 2.0 General Description............................................................................................ 5 2.1 Product Description ............................................................................................ 5 2.2 Purpose of Application........................................................................................ 6 2.3 Test Methodology............................................................................................... 6 2.4 Test Facility........................................................................................................ 6 3.0 System Test Configuration................................................................................. 8 3.1 Justification ........................................................................................................ 8 3.2 EUT Exercising Software.................................................................................... 9 3.3 Details of EUT and Description of Accessories................................................. 10 3.4 Measurement Uncertainty ................................................................................ 11 3.5 Equipment Modification .................................................................................... 11 4.0 Test Results....................................................................................................... 13 4.1 Field Strength Calculation................................................................................. 13 4.2 Radiated Emissions.......................................................................................... 14 4.2.1 Radiated Emission Configuration Photograph ................................................ 14 4.2.2 Radiated Emission Data ................................................................................ 14 4.2.3 Transmitter Duty Cycle Calculation ................................................................ 15 4.3 AC Power Line Conducted Emission ................................................................ 17 4.3.1 AC Power Line Conducted Emission Configuration Photograph..................... 17 4.3.2 AC Power Line Conducted Emission Data ..................................................... 17 5.0 Equipment List................................................................................................. 18 Appendix – Exhibits for Application of Certification INTERTEK TESTING SERVICES Test Report Number: HK10060831-4 Page 3 of 18 FCC ID: EW780-7812-00 1.0 Summary of Test Results Test Items FCC Part 15 Section Results Details see section Radiated Emission from Class B Personal Computers and Peripherals AC Power Line Conducted Emission 15.109 15.107 Pass Pass 4.2 4.3 Note: The device complies with ICES-003 (Issue 4) requirements. The test results in FCC test report are deemed satisfactory evidence of compliance with Industry Canada Interference – Causing Equipment Standard ICES-003. INTERTEK TESTING SERVICES Test Report Number: HK10060831-4 Page 4 of 18 FCC ID: EW780-7812-00 EXHIBIT 2 GENERAL DESCRIPTION INTERTEK TESTING SERVICES Test Report Number: HK10060831-4 Page 5 of 18 FCC ID: EW780-7812-00 2.0 General Description 2.1 Product Description The TL7710 is a 1.9GHz Digital Modulation Cordless Phone with Cordless Headset - Base Unit. It operates at frequency range of 1921.536MHz to 1928.448MHz with 5 channels (1921.536MHz, 1923.264MHz, 1924.992MHz, 1926.720MHz and 1928.448MHz). The Base Unit is powered by an adaptor 117VAC to…

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INTERTEK TESTING SERVICES The Worst Case Configuration Photographs FCC ID: EW780-7812-00 config photos (radiated emission – base unit) - 1 of 1 Radiated Emission – Base Unit (USB portion) Front View Rear View INTERTEK TESTING SERVICES The Worst Case Configuration Photographs – Mode: Audio Recording FCC ID: EW780-7812-00 config photos (conducted emission) - 1 of 2 Conducted Emission Front View Right Side View INTERTEK TESTING SERVICES The Worst Case Configuration Photographs – Mode: Audio Recording FCC ID: EW780-7812-00 config photos (conducted emission) - 2 of 2 Conducted Emission Left Side View