NHPWLB14022.4G USB Wireless LAN

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Training Research Co., Ltd. 255 Nanyang Street, Shijr, Taipei Hsien 221, Taiwan, R.O.C. TEL: 886-2-26935155 FAX: 886-2-26934440 TRCSince1985 ® Measurement of MPE 1. Foreword In adopt with the Human Exposure IEEE C95.1, and according to the FCC 1.1310. The Maximum Permissible Exposure (MPE) is obligated to measure in order to prove the safety of radiation harmfulness to the human body. The Gain of the antenna used is measured in an Anechoic chamber. The maximum total power to the antenna is to be recorded. By adopting the Friis Transmission Formula and the power gain of the antenna, we can find the distance right away from the product, where the limit of the MPE is. 2. Description of EUT EUT : 2.4G USB Wireless LAN Classification : Mobile Device (i) Under normal use condition, the antenna is at least 20cm away from the user; (ii) Warning statement for keeping 20cm separation distance and the prohibition of operating next to the person has been printed in the user’s manual Model No. : WLB-1420 FCC ID : NHPWLB1402 Frequency Range : 2.412 GHz ~ 2.462GHz Support Channel : 11 Channel Modulation Skill : DBPSK, DQPSK, CCK Power Type : By the USB interface of computer Style Interface : USB Applicant : CAMEO COMMUNICATIONS, INC. 6/F, No.22, Chung Hsin Rd., His-chih, Taipei 221, Taiwan, R.O.C. Training Research Co., Ltd. 255 Nanyang Street, Shijr, Taipei Hsien 221, Taiwan, R.O.C. TEL: 886-2-26935155 FAX: 886-2-26934440 TRCSince1985 ® 3. Limits for Maximum Permissible Exposure (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Filed Strength (H) (A/m) Power Density (S) (mW/cm2) Averaging Time |E| 2 , |H| 2 or S (minutes) (A) Limits for Occupational/Controlled Exposure 0.3-3.0 614 1.63 100 6 3.0-30 1842/f 4.89/f 900/f 2 6 30-300 61.4 0.163 1.0 6 300-1500 -- -- f/300 6 1500-100,000 -- -- 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3-1.34 614 1.63 100 30 1.34-30 824/f 2.19/f 180/f 2 30 30-300 27.5 0.073 0.2 30 300-1500 -- -- f/1500 30 1500-100,000 -- -- 1.0 30 [The EUT is tested in transmit and receive modes and in the first, middle and the last channel separately. The following shows only our observation have the greatest emissions.] According to OET BULLETIN 56 Fourth Edition/August 1999, Equation for Predicting RF Fields: Friis Transmission Formula: 23 22 /10929.8 )20(4 00.188.44 4 cmmW R PG S − ×= × == ππ Estimated safe separation: cm PG R890.1 4 00.188.44 4 = × == ππ Remarks: "The safe estimated separation that the user must maintain from the antenna is at least 1.890 cm." Where: S = power density (in appropriate units, e.g. mW/cm2) P = power input to the antenna (in appropriate units, e.g., mW) G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna (appropriate units, e.g., cm) The Numeric gain G of antenna with a gain specified in dB is determined by: G = Log -1 (dB antenna gain/10) G = Log -1 (0 / 10) = 1.00

Test Report ------------------------------------------------------------------------------ 3/36 Report No.: C5115062, FCC Part 15 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Tables of Contents I. GENERAL ..................................................................................................................... 5 1.1 Introduction .............................................................................................................. 5 1.2 Description of EUT .................................................................................................. 5 1.3 Description of Support Equipment ........................................................................... 6 1.4 Test method ............................................................................................................. 6 1.5 Configuration of System Under Test ........................................................................ 7 1.6 Verify the Frequency and Channel ........................................................................... 9 1.7 Test Procedure ........................................................................................................ 10 1.8 Location of the Test Site ......................................................................................... 10 1.9 General Test Condition ........................................................................................... 10 II. Section 15.101(a) : Equipment Authorization of Unintentional Radiators................ 11 III. Section 15.203 : Antenna Requirement........................................................................ 12 IV. Section 15.207 : Power Line Conducted Emissions for AC Powered Units ............. 13 4.1 Test Condition & Setup ........................................................................................... 13 4.2 List of Test Instruments ........................................................................................... 13 4.3 Test Result of Conducted Emissions ....................................................................... 14 Channel 01 .............................................................................................................. 14 Channel 06 .............................................................................................................. 15 Channel 11 .............................................................................................................. 16 V. Section 15.247(a) : Technical Description of the EUT................................................. 17 VI. Section 15.247(a)(2) : Bandwidth for Direct Sequence System ................................. 18 6.1 Test Condition & Setup ........................................................................................... 18 6.2 Test Instruments Configuration ............................................................................... 18 6.3 List of Test Instruments ........................................................................................... 18 6.4 Test Result of Bandwidth ........................................................................................ 19 Channel 01 .............................................................................................................. 20 Channel 06 .............................................................................................................. 21 Channel 11 .............................................................................................................. 22 Test Report ------------------------------------------------------------------------------ 4/36 Report No.: C5115062, FCC Part 15 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 VII. Section 15.247(b) : Power Output ............................................................................... 23 7.1 Test Condition & Setup ........................................................................................... 23 7.2 List of Test Instruments ........................................................................................... 23 7.3 Test Result .............................................................................................................. 23 VIII. Section 15.247(c) : Spurious Emissions (Radiated) ................................................. 24 8.1 Test Condition & Setup ........................................................................................... 24 8.2 List of Test Instruments ........................................................................................... 25 8.3 Test Result of Spurious Radiated Emissions ........................................................... 26 Table 1 Radiated emissions of Horizontal for 30MHz to 1GHz ..................................... 26 Table 2 Radiated emissions of Vertical for 30MHz to 1GHz ......................................... 26 Table 3 Above 1GHz radiated emissions of Horizontal of CH1 ..................................... 27 Table 4 Above 1GHz radiated emissions of Vertical of CH1 ......................................... 27 Table 5 Above 1GHz radiated emissions of Horizontal of CH6 ..................................... 28 Table 6 Above 1GHz radiated emissions of Vertical of CH6 ......................................... 28 Table 7 Above 1GHz radiated emissions of Horizontal of CH11 ................................... 29 Table 8 Above 1GHz radiated emissions of Vertical of CH11 ....................................... 29 8.4 Test Result of Bandedge........................................................................................... 30 Channel 01 ............................................................................................................... 31 Channel 11 ............................................................................................................... 32 IX. Section 15.247(d) : Power Spectral Density ..........................................................…

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Test Setup Photos ------------------------------------------------------------------------ 1/3 FCC ID: NHPWLB1402 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Conducted Test Setup Placement: Front View of the Test Configuration Side View of the Test Configuration Test Setup Photos ------------------------------------------------------------------------ 2/3 FCC ID: NHPWLB1402 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Radiated Test Setup Placement: (Unintentional) Front View of the Test Configuration of Unintentional Rear View of the Test Configuration of Unintentional Test Setup Photos ------------------------------------------------------------------------ 3/3 FCC ID: NHPWLB1402 Training Research Co., Ltd., TEL: 886-2-26935155, Fax: 886-2-26934440 Radiated Test Setup Placement: (Intentional) Front View of the Test Configuration of Intentional Rear View of the Test Configuration of Intentional