QW7GB03XX26.96-27.28 MHz WIRELESS R/CTX

Hobbyengine Model Ltd.

Click to zoom

Application Details

Equipment Class: DXX - Part 15 Low Power Communication Device Transmitter
Date of Grant: Mar 09, 2004
Application Purpose: Original Equipment
Date of Application: Mar 09, 2004
Equipment Note: 26.96-27.28 MHz WIRELESS R/CTX
Frequency Range: 26.96000000 - 27.28000000
Company: Hobbyengine Model Ltd.
Country: Hong Kong

Documents & Files

Select a file to view

Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

ID Label/Location Info

FCC ID Label FCC ID: QW7GB03XX 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.

Test Report

THRUlab & Engineering. RM1105,11FL, ACE TECHNO TOWER 197-22,GURO-DONG GURO-GU SEOUL KOREA T81221095059F81221095056 email [email protected] APPLICANT: HOBBYENGINE MODEL INDUSTRIAL LTD. FCC ID: QW7GB03XX REPORT #: THRU-403002 COVER SHEET Test Report Product Name: 26.96-27.28 MHz Wireless R/C Toy - TX FCC ID: QW7GB03XX Applicant: HOBBYENGINE MODEL INDUSTRIAL LTD. ROOM 619, 6/F., PENINSULA CENTRE, 67 MODY ROAD, TSIMSHATSUI EAST KOWLOON HONG KONG Date Receipt: 01/12/2004 Date Tested: 2/02/2004 THRUlab & Engineering. RM1105,11FL, ACE TECHNO TOWER 197-22,GURO-DONG GURO-GU SEOUL KOREA T81221095059F81221095056 email [email protected] APPLICANT: HOBBYENGINE MODEL INDUSTRIAL LTD. FCC ID: QW7GB03XX REPORT #: THRU-403002 COVER SHEET TABLE OF CONTENTS LIST APPLICANT: HOBBYENGINE MODEL INDUSTRIAL LTD. FCC ID: QW7GB03XX TEST REPORT CONTAINING: PAGE 1...............TEST EQUIPMENT LIST PAGE 2...............TEST PROCEDURE PAGE 3-5.............RADIATION INTERFERENCE TEST DATA PAGE 6...............OCCUPIED BANDWIDTH PAGE 7-8.............OCCUPIED BANDWIDTH PLOT EXHIBITS CONTAINING: EXHIBIT 2............BLOCK DIAGRAM EXHIBIT 3............SCHEMATIC EXHIBIT 4A-4B........PARTS LIST EXHIBIT 5............INSTRUCTION MANUAL EXHIBIT 6............SAMPLE OF FCC ID LABEL EXHIBIT 7............LOCATION OF FCC ID LABEL EXHIBIT 8............EXTERNAL PHOTO - FRONT SIDE EXHIBIT 9............EXTERNAL PHOTO - BACK SIDE EXHIBIT 10...........INTERNAL PHOTO - COMPONENT SIDE EXHIBIT 11...........INTERNAL PHOTO - COPPER SIDE EXHIBIT 14...........CIRCUIT DESCRIPTION THRUlab & Engineering. RM1105,11FL, ACE TECHNO TOWER 197-22,GURO-DONG GURO-GU SEOUL KOREA T81221095059F81221095056 email [email protected] APPLICANT: HOBBYENGINE MODEL INDUSTRIAL LTD. FCC ID: QW7GB03XX REPORT #: THRU-403002 Page 1 of 8 Test Equipment List DEVICE MODEL MFGR SERNO DUE.CAL EMI Test Receiver ESVS 10 Rohde & Schwarz 830489/001 2004.04.25. Spectrum Analyzer 8566B Hewlett Packard 2311A02394 2004.03.17 Spectrum Display 85662A Hewlett Packard 2542A12429 2004.03.17 Quasi-Peak Adapter 85650A Hewlett Packard 2521A00887 2004.03.17 RF Preselector 85685A Hewlett Packard 2648A00504 2004.03.17 Pre- Amplifier 8449B Hewlett Packard 3008A00375 2004.03.17 Pre- Amplifier 8447F Hewlett Packard 3113A05367 2004.03.17 Spectrum Monitor EZM Rohde & Schwarz 862304/007 2004.03.17 Bico- Antenna 94455-1 Eaton 977 2004.03.17 Log- Periodic Antenna 3146 EMCO 2051 2004.03.17 Dipole Antenna TDA25/1/2 Electro Metrics 176/200/200 2004.03.17 Horn Antenna SAS-571 A.H Systems 414 2004.03.17 Spectrum Analyzer R3261C Advantest 71720189 2004.04.26 LISN KNW-242 Kyoritsu 8-923-2 2004.07.12 LISN 8012-50-R-24 Solar 8379121 2004.07.12 Loop Ant 6502 EMCO 9609-3087 2004.07.02 THRUlab & Engineering. RM1105,11FL, ACE TECHNO TOWER 197-22,GURO-DONG GURO-GU SEOUL KOREA T81221095059F81221095056 email [email protected] APPLICANT: HOBBYENGINE MODEL INDUSTRIAL LTD. FCC ID: QW7GB03XX REPORT #: THRU-403002 Page 2 of 8 TEST PROCEDURE GENERAL: This report shall NOT be reproduced except in full without the written approval of . RADIATION INTERFERENCE: The test procedure used was ANSI STANDARD C63.4- 1992 using a HEWLETT PACKARD spectrum analyzer with a preselector. The bandwidth of the spectrum analyzer was 100 kHz with an appropriate sweep speed. The analyzer was calibrated in dB above a microvolt at the output of the antenna. The resolution bandwidth was 100 kHz and the video bandwidth was 300 kHz. The ambient temperature of the UUT was 10ºC with a humidity of 36%. FORMULA OF CONVERSION FACTORS: The Field Strength at 3m was established by adding the meter reading of the spectrum analyzer (which is set to read in units of dBuV) to the antenna correction factor supplied by the antenna manufacturer. The antenna correction factors are stated in terms of dB. The gain of the Preselector was accounted for in the Spectrum Analyzer Meter Reading. Example: Freq (MHz) METER READING + ACF = FS 33 20 dBuV + 10.36 dB = 30.36 dBuV/m @ 3m ANSI STANDARD C63.4-1992 10.1.7 MEASUREMENT PROCEDURES: The unit under test was placed on a table 80 cm high and with dimensions of 1m by 1.5m. The table used for radiated measurements is capable of continuous rotation. When an emission was found, the table was rotated to produce the maximum signal strength. At this point, the antenna was raised and lowered from 1m to 4m. The antenna was placed in both the horizontal and vertical planes. The situation was similar for the conducted measurement except that the table did not rotate. The EUT was setup as described in ANSIC63.4-1992 with the EUT 40 cm from the vertical ground wall. Not Applicable, battery operated. THRUlab & Engineering. RM1105,11FL, ACE TECHNO TOWER 197-22,GURO-DONG GURO-GU SEOUL KOREA T81221095059F81221095056 email [email protected] APPLICANT: HOBBYENGINE MODEL INDUSTRIAL LTD. FCC ID: QW7GB03XX REPORT #: THRU-403002 Page 3 of 8 APPLICANT: HOBBYENGINE MODEL INDUSTRIAL LTD. FCC ID: QW7GB03XX NAME OF TEST: RADIATION INTERFERENCE RULES PART NO.: 15.227(a) REQUIREMENTS: CARRIER FREQUENCY SHALL NOT EXCEEDS 10,000 microvolts/meter AT 3M. Frequency (MHz) Receiver Reading dBuv/m PK Receiver Reading dBuv/m AV Ant Height m Antenna Factor dB Cable Loss dB Result dBuv PK Result dBuv AV Limit dBuv/m PK Limit dBuv/m AV Margin dBuv/m PK Margin dBuv/m AV 27.095 60.5 58.0 2.8 7.0 0.9 68.4 65.9 100 80 -31.6 -14.1 SAMPLE CALCULATION: FSdBuV/m = MR (dBuV) + ACFdB. TEST PROCEDURE : The procedure used was ANSI STANDARD C63.4-1992. The spectrum was scanned from 30 MHz to 1000 MHz. When an emission was found, the table was rotated to produce the maximum signal strength. The antenna was placed in both the horizontal and vertical planes and the worse case emissions were reported. The UUT was tested in 3 orthogonal planes. TEST RESULTS: THE UNIT DOES MEET THE FCC REQUIREMENTS. PERFORMED BY: K.M CHOI DATE: 02/02/2004 THRUlab & Engineering. RM1105,11FL, ACE TECHNO TOWER 197-22,GURO-DONG GURO-GU SEOUL KOREA T81221095059F81221095056 email [email protected]…

Text truncated - open the document above for the full version.