test report

FCC ID: R38YLWM0404

Test Report

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FCCID_419824

FCC PART 90
EMI MEASUREMENT AND TEST REPORT
For

YULONG COMPUTER TELECOMMUNICATION
SCIENTIFIC (SHENZHEN) CO. LTD
8/F, B TOWER, HIGH TECH. PLAZA, TIANAN CRYBERPARK,
SHENZHEN, CHINA

FCC ID: R38YLWM0404

This Report Concerns: Equipment Type:
Original Report Wireless Data Modem

Test Engineer: Ming Jin

Report Number: R0404063

Report Date: 2004-04-26

Reviewed By: Ling Zhang

Prepared By: Bay Area Compliance Laboratory Corporation
230 Commercial Street
Sunnyvale, CA 94085
Tel: (408) 732-9162
Fax: (408) 732 9164

Note: This test report is specially limited to the above client company and product model. It may
not be duplicated without prior written consent of Bay Area Compliance Laboratory
Corporation. This report must not be used by the client to claim product endorsement by
NVLAP or any agency of the U.S. Government.

YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO. LTD FCC ID: R38YLWM0404

TABLE OF CONTENTS
GENERAL INFORMATION.......................................................................................................................................3
PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................................................3
OBJECTIVE ...................................................................................................................................................................3
RELATED GRANT/SUBMISSION.....................................................................................................................................3
TEST METHODOLOGY ..................................................................................................................................................3
TEST FACILITY .............................................................................................................................................................3
SYSTEM TEST CONFIGURATION..........................................................................................................................5
JUSTIFICATION .............................................................................................................................................................5
SPECIAL ACCESSORIES .................................................................................................................................................5
SCHEMATICS / BLOCK DIAGRAM .................................................................................................................................5
EQUIPMENT MODIFICATIONS .......................................................................................................................................5
LOCAL SUPPORT EQUIPMENT LIST AND DETAILS ........................................................................................................5
EXTERNAL I/O CABLING LIST AND DETAILS ...............................................................................................................5
POWER SUPPLY AND LINE FILTERS ..............................................................................................................................5
CONFIGURATION OF TEST SYSTEM ..............................................................................................................................6
TEST SETUP BLOCK DIAGRAM .....................................................................................................................................6
REQUIREMENTS OF PROVISIONS ........................................................................................................................7
REQUIREMENTS AND TEST SUMMARY .........................................................................................................................7
LABELING REQUIREMENT ............................................................................................................................................7
§2.1046 AND §90.205(J) - CONDUCTED OUTPUT POWER..................................................................................8
PROVISION APPLICABLE...............................................................................................................................................8
TEST PROCEDURE ........................................................................................................................................................8
TEST EQUIPMENT .........................................................................................................................................................8
TEST RESULTS .............................................................................................................................................................8
§2.1049, AND §90.209 - OCCUPIED BANDWIDTH OF EMISSION ...................................................................10
PROVISION APPLICABLE.............................................................................................................................................10
TEST PROCEDURE ......................................................................................................................................................10
TEST EQUIPMENT .......................................................................................................................................................10
TEST RESULTS ...........................................................................................................................................................10
§2.1053 AND §90.210 - RADIATED SPURIOUS EMISSION ................................................................................13
PROVISION APPLICABLE.............................................................................................................................................13
TEST PROCEDURE ......................................................................................................................................................13
TEST EQUIPMENT .......................................................................................................................................................13
TEST RESULT .............................................................................................................................................................14
§2.1051 AND §90.210 - SPURIOUS EMISSION AT ANTENNA TERMINAL ...................................................15
STANDARD APPLICABLE ............................................................................................................................................15
MEASUREMENT PROCEDURE......................................................................................................................................15
TEST EQUIPMENT .......................................................................................................................................................15
TEST RESULT .............................................................................................................................................................15
§90.265(B)(3) - FREQUENCY STABILITY MEASUREMENT ............................................................................17
PROVISION APPLICABLE.............................................................................................................................................17
TEST PROCEDURE ......................................................................................................................................................17
TEST EQUIPMENT .......................................................................................................................................................17
TEST RESULTS ...........................................................................................................................................................18

Report # R0404063Rpt Page 2 of 18 FCC Part 90 Test Report

YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO. LTD FCC ID: R38YLWM0404

GENERAL INFORMATION
Product Description for Equipment Under Test (EUT)
The YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO. LTD’s Model:
PIP-900 or the “EUT” as referred to in this report is a wireless data modem, transmitter part, which
measures approximately 11.2cmL x 5.8cmW x 3.0cmH. The EUT operates at frequency 896 – 901MHz
with maximum ERP of 1.36W, frequency tolerance 1.5ppm and emission designator F3D.

* The test data gathered are from production sample, serial number: PIP-900-001, provided by the
manufacturer.

Objective
This report is prepared on behalf of YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC
(SHENZHEN) CO. LTD in accordance with Part 90 Subpart A Subpart I and Subpart S of the Federal
Communication Commissions rules.

The objective of the manufacturer is to demonstrate compliance with FCC rules for effective radiated
power, modulation characteristics, occupied bandwidth, radiated spurious emissions, and frequency
stability.

Related Grant/Submission
No Related Submittals.

Test Methodology
Measurements contained in this report were also conducted with TIA/EIA Standard 603,
Telecommunications Industry Association Land Mobile FM or PM Communications Equipment
Measurement and Performance Standards.

All radiated and conducted emissions measurement was performed at Bay Area Compliance Laboratory,
Corp. The radiated testing was performed at an antenna-to-EUT distance of 3 meters.

Test Facility
The Open Area Test site used by Bay Area Compliance Laboratory Corporation to collect radiated and
conducted emission measurement data is located in the back parking lot of the building at 230 Commercial
Street, Sunnyvale, California, USA.

Test site at Bay Area Compliance Laboratory Corporation has been fully described in reports submitted to
the Federal Communication Commission (FCC) and Voluntary Control Council for Interference (VCCI).
The details of these reports has been found to be in compliance with the requirements of Section 2.948 of
the FCC Rules on February 11 and December 10, 1997 and Article 8 of the VCCI regulations on
December 25, 1997. The facility also complies with the radiated and AC line conducted test site criteria
set forth in ANSI C63.4-1992.

The Federal Communications Commission and Voluntary Control Council for Interference has the reports
on file and is listed under FCC file 31040/SIT 1300F2 and VCCI Registration No.: C-1298 and R-1234.
The test site has been approved by the FCC and VCCI for public use and is listed in the FCC Public
Access Link (PAL) database.
Report # R0404063Rpt Page 3 of 18 FCC Part 90 Test Report

YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO. LTD FCC ID: R38YLWM0404

Additionally, Bay Area Compliance Laboratory Corporation is a National Institute of Standards and
Technology (NIST) accredited laboratory, under the National Voluntary Laboratory Accredited Program
(NVLAP). The scope of the accreditation covers the FCC Method - 47 CFR Part 15 - Digital Devices,
CISPR 22: 1997, and AS/NZS 3548: Electromagnetic Interference - Limits and Methods of Measurement
of Information Technology Equipment test methods under NVLAP Lab Code 200167-0.

Report # R0404063Rpt Page 4 of 18 FCC Part 90 Test Report

YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO. LTD FCC ID: R38YLWM0404

SYSTEM TEST CONFIGURATION
Justification
The EUT was tested under typical operating modes to represent the worst-case results during the final
qualification test.

Special Accessories
As shown in the test setup block diagram, interface cable used for compliance testing is shielded as
normally supplied by customer and its respective support equipment manufacturers.

Schematics / Block Diagram
Please refer to Appendix D.

Equipment Modifications
No modification was made by BACL Corp. to make sure the EUT to comply with the applicable limits.

Local Support Equipment List and Details

Manufacturer Description Model Serial Number FCC ID
Dell Notebook PC PS04RC N/A N/A

External I/O Cabling List and Details

Cable Description Length (M) From To
RSS232 and Power Cable 0.5 RSS232 and Power Cable Notebook PC / RSS232 Port
RSS232 and Power Cable 0.5 EUT / RSS232 Port AC/DC Adapter
Antenna Cable 1.0 EUT / Antenna Port Antenna

Power Supply and Line Filters

Manufacturer Description Model Serial Number FCC ID
Yulong AC Power supply PRS-Z30US7 N/A N/A

Report # R0404063Rpt Page 5 of 18 FCC Part 90 Test Report

YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO. LTD FCC ID: R38YLWM0404

Configuration of Test System

Adapter

EUT

Notebook
Antenna

Test Setup Block Diagram

EUT Power Cord
Peripheral Adapter LISN1
Power Cords
LISN 2

Notebook 10 EUT
cm

1 Meter

Antenna

Non-Conducting Table
80 cm Above Ground Plane

1.5 Meters

Report # R0404063Rpt Page 6 of 18 FCC Part 90 Test Report

YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO. LTD FCC ID: R38YLWM0404

REQUIREMENTS OF PROVISIONS
Requirements and Test Summary

FCC Rules Rules Description Result
2.1046
RF Output Power Complied
90.205 (j)

2.1049
Occupied Bandwidth Complied
90.210 (j)

2.1053
Radiated Spurious Emission Complied
90.210
2.1051
Spurious Emission at Antenna Port Complied
90.210
Frequency Stability
2.1055
Vs. Temperature Complied
90.213
Vs. Voltage

Labeling Requirement
Each equipment for which a type acceptance applications is filed on or after May 1, 1981, shall bear an
identification plate or label pursuant to §2.295 (Identification of Equipment) and §2.926 (FCC identifier)

In August 1996 the Federal Communications Commissions (FCC) adopted RF exposure guidelines with
safety levels for hand-held wireless devices.

Generally users manual contains a RF exposure statement to indicate compliance with FCC requirements.

Report # R0404063Rpt Page 7 of 18 FCC Part 90 Test Report

YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO. LTD FCC ID: R38YLWM0404

§2.1049, and §90.209 - OCCUPIED BANDWIDTH OF EMISSION
Provision Applicable
Per FCC §2.1049, and §90.209, the emission bandwidth shall not exceed 12.5KHz.

For any frequency removed from the center of the assigned channel by more than 50 percent up to and
including 100 percent of the authorized bandwidth, at least 25 dB.

On any frequency removed from the center of the assigned channel by more than 100 percent up to and
including 250 percent, at least 35 dB.

On any frequency removed from the center of the assigned channel by more than 250 percent at least:

50 + 10 log(P) dBm

Test Procedure
The transmitter was connected to a spectrum analyzer via a low lose cable. The resolution bandwidth of
the spectrum analyzer was set up to 1KHz and the spectrum of the transmitting signal was recorded. This
spectrum was compared to the required emission mask.

Test Equipment

Manufacturer Description Model No. Serial No. Calibration Date
DRG Spectrum
Agilent 8565EC 3946A00131 2003-06-30
Analyzer
Hewlett Packard Plotter HP7470A N/A N/A
NAAYAN Audio Generator NY2201 00042 N/A

2003. . ............................................................................................. Statement of Traceability: BACL Corp.
certifies that all calibrations have been performed in accordance to NVLAP requirements, traceable to the
NIST.

Test Results
Environmental Conditions

Temperature: 25° C
Relative Humidity: 38 %
ATM Pressure: 1032mbar

The testing was performed by Ming Jing on 2004-04-25.

Test Result: Pass
Please refer the following curve and plots.

Report # R0404063Rpt Page 10 of 18 FCC Part 90 Test Report

YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO. LTD FCC ID: R38YLWM0404

Test Result
Environmental Conditions

Temperature: 25° C
Relative Humidity: 38 %
ATM Pressure: 1032mbar

The testing was performed by Ming Jing on 2004-04-25.

Low Frequency: -1.1 dB at 2688.0375 MHz
High Frequency: -1.1 dB at 2702.9625 MHz

Primary scan at Low Frequency 896.0125MHz

EUT Generator Standard

Indicated Table Test Antenna Substitution Antenna Cable Absolute FCC FCC

Frequency Ampl. Angle Height Polar Frequency Level Polar Gain Loss Level Limit Margin
MHz dBuV/m Degree Meter H/V MHz dBm H/V Corrected DB dBm dBm DB
896.0125 104.2 30 1.2 v 896.0125 26.53 v 6.5 0.2 32.83
896.0125 99.6 130 1.8 h 896.0125 21.92 h 6.5 0.2 28.22
2688.0375 43.2 195 1.3 h 2688.0375 -29.1 h 8.7 0.7 -21.1 -20 -1.1
2688.0375 42.6 172 1.4 v 2688.0375 -29.3 v 8.7 0.7 -21.3 -20 -1.3
1792.025 45.2 160 1.2 h 1792.025 -27.7 h 6.8 0.5 -21.4 -20 -1.4
1792.025 44.9 270 1.4 v 1792.025 -28.1 v 6.8 0.5 -21.8 -20 -1.8
3584.05 33.2 172 1.4 v 3584.05 -34.8 v 10.8 0.9 -24.9 -20 -4.9
3584.05 30.1 195 1.3 h 3584.05 -37.1 h 10.8 0.9 -27.2 -20 -7.2

Primary scan at High Frequency 900.987MHz

EUT Generator Standard

Indicated Table Test Antenna Substitution Antenna Cable Absolute FCC FCC

Frequency Ampl. Angle Height Polar Frequency Level Polar Gain Loss Level Limit Margin
MHz dBuV/m Degree Meter H/V MHz dBm H/V Corrected DB dBm dBm DB
900.9875 102.8 74 1.5 v 900.9875 25.27 v 6.5 0.2 31.57
900.9875 99.2 190 1.2 h 900.9875 21.85 h 6.5 0.2 28.15
2702.9625 42.7 64 1.3 v 2702.9625 -29.1 v 8.7 0.7 -21.1 -20 -1.1
1801.975 45.1 55 1.5 v 1801.975 -27.5 v 6.8 0.5 -21.2 -20 -1.2
2702.9625 41.8 90 1.3 h 2702.9625 -30.2 h 8.7 0.7 -22.2 -20 -2.2
1801.975 43.5 95 1.2 h 1801.975 -29 h 6.8 0.5 -22.7 -20 -2.7
3603.95 32.7 64 1.3 v 3603.95 -35.4 v 10.8 0.9 -25.5 -20 -5.5
3603.95 32.4 90 1.3 h 3603.95 -35.8 h 10.8 0.9 -25.9 -20 -5.9

Result: Pass
Test was performed in three orthogonal plane.

Report # R0404063Rpt Page 14 of 18 FCC Part 90 Test Report

YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO. LTD FCC ID: R38YLWM0404

§2.1051 and §90.210 - SPURIOUS EMISSION AT ANTENNA TERMINAL
Standard Applicable
Per FCC §2.1051and FCC §90.210

On any frequency removed from the center of the assigned channel by more than 250 percent at least:

50 + 10 log(P) dBm

Measurement Procedure
The RF output of the transceiver was connected to a spectrum analyzer through appropriate attenuation.
The resolution bandwidth of the spectrum analyzer was set at 100 kHz. Sufficient scans were taken to
show any out of band emissions up to 10th harmonic.

Test Equipment

Manufacturer Description Model No. Serial No. Calibration Date
DRG Spectrum
Agilent 8565EC 3946A00131 2003-06-30
Analyzer

* Statement of Traceability: BACL Corp. certifies that all calibrations have been performed in accordance to
NVLAP requirements, traceable to the NIST.

Test Result
Environmental Conditions

Temperature: 25° C
Relative Humidity: 38 %
ATM Pressure: 1032mbar

The testing was performed by Ming Jing on 2004-04-25.

Please refer to following plots.

Report # R0404063Rpt Page 15 of 18 FCC Part 90 Test Report

YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO. LTD FCC ID: R38YLWM0404

Test Results

Reference Frequency: 896.0125 MHz, Limit: 1.5 ppm
Environment Temperature Power Supplied Frequency Measure with Time Elapsed
(°C) (Vac) MCF (MHz) Error (ppm)
60 120 896.0117 -0.9
50 120 896.0119 -0.7
40 120 896.0119 -0.7
30 120 896.0121 -0.4
20 120 896.0121 -0.4
10 120 896.0121 -0.4
0 120 896.0124 -0.1
-10 120 896.0127 0.2
-20 120 896.0129 0.4
-30 120 896.0129 0.4

Frequency Stability Versus Input Voltage

Reference Frequency: 896.1025 MHz, Limit: 1.5 ppm
Frequency Measure with Time Elapsed
Power Supplied
(Vac) Frequency (MHz) Error (ppm)

102 896.0119 -0.7
120 896.0121 -0.4
138 896.0127 0.2

Report # R0404063Rpt Page 18 of 18 FCC Part 90 Test Report

Document Created: 2004-05-04 14:34:30
Document Modified: 2004-05-04 14:34:30

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