RRK1WCFG02VA1802.11b/g Compact Flash Card

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FCC ID: RRK1WCFG02VA1 Report No. RF940707H01 Operational Description This device is an 802.11b/g Compact Flash Card, the maximum data rate could be up to 54Mbps which OFDM technique will be applied. If the signal to noise radio is too poor which could not support 54Mbps, the 11Mbps data rate with CCK technique will be applied. The transmitter of the EUT (802.11b/g Compact Flash Card) is powered by host equipment. The antenna type used in this product is Dipole Antenna with MHF connector. The other instruction, please have a look at the users manual.

FCC ID: RRK1WCFG02VA1 Report No.: SA940707H01 1 RF EXPOSURE REPORT REPORT NO.: SA940707H01 MODEL NO.: WCF-G02 ACCORDING: FCC Guidelines for Human Exposure IEEE C95.1 APPLICANT: Alpha Networks Inc. ADDRESS: NO.8,Li Hsing Rd VII ,SCIENCE-BASED INDUSTRIAL PARK,HSINCHU,TAIWAN,R.O.C. ISSUED BY: Advance Data Technology Corporation LAB LOCATION: No. 81-1, Lu Liao Keng, 9 Ling, Wu Lung Tsuen, Chiung Lin Hsiang, Hsin Chu Hsien, Taiwan, R.O.C. FCC ID: RRK1WCFG02VA1 Report No.: SA940707H01 2 RF Exposure Measurement 1. Introduction In this document, we try to prove the safety of radiation harmfulness to the human body for our product. The limit for Maximum Permissible Exposure (MPE) specified in FCC 1.1310 is followed. The Gain of the antenna used in this product is measured in a Fully Anechoic Chamber (FAC) calibrated for antenna measurement in ADT, and also the maximum total power input to the antenna is measured. Through the Friis transmission formula and the maximum gain of the antenna, we can calculate the distance, away from the product, where the limit of MPE is reached. Although the Friis transmission formula is a far field assumption, the calculated result of that is an over-prediction for near field power density. We will take that as the worst case to specify the safety range. 2. RF Exposure Limit According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environmental impact of human exposure to radio-frequency (RF) radiation as specified in 1.1307(b) LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Average Time (minutes) (A)Limits For Occupational / Control Exposures 300-1500......F/3006 1500-100,000......56 (B)Limits For General Population / Uncontrolled Exposure 300-1500......F/15006 1500-100,000......1.030 F = Frequency in MHz FCC ID: RRK1WCFG02VA1 Report No.: SA940707H01 3 3. Friis Formula Friis transmission formula : Pd = (Pout*G) / (4*pi*r 2 ) where Pd = power density in mW/cm 2 Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm Pd is the limit of MPE, 1 mW/cm 2 . If we know the maximum Gain of the antenna and the total power input to the antenna, through the calculation, we will know the MPE value at distance 20cm. Ref. : David K. Cheng, Field and Wave Electromagnetics, Second Edition, Page 640, Eq. (11-133). 4. EUT Operating condition The software provided by Manufacturer enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. 5. Classification The antenna of this product, under normal use condition, is at least 20cm away from the body of the user. Warning statement to the user for keeping at least 20cm or more separation distance with the antenna should be included in users manual. So, this device is classified as Mobile Device. FCC ID: RRK1WCFG02VA1 Report No.: SA940707H01 4 6. Test Results 6.1 Antenna Gain The maximum Gain measured in Fully Anechoic Chamber are 2dBi or 1.58489(numeric) 6.2 Output Power Into Antenna & RF Exposure value at distance 20cm: For Part 802.11b: Channel Channel Frequency (MHz) Output Power to Antenna (mW) Power Density (mW/cm 2 ) Limit of Power Density (mW/cm 2 ) 1241264.714261570.0204046491.0 6243779.799468730.0251610711.0 11246262.805835880.0198029151.0 For Part 802.11g: Channel Channel Frequency (MHz) Output Power to Antenna (mW) Power Density (mW/cm 2 ) Limit of Power Density (mW/cm 2 ) 1241239.355007550.0124087811.0 6243779.615935040.0251032021.0 11246240.457589170.0127564291.0

FCC ID: RRK1WCFG02VA1 Report No.: RF940707H011Report Format Version 2.0.2 FCC TEST REPORT REPORT NO.:RF940707H01 MODEL NO.: WCF-G02 RECEIVED:July 5, 2005 TESTED:July 8 to 12, 2005 ISSUED: July 14, 2005 APPLICANT:Alpha Networks Inc. ADDRESS:NO.8,Li Hsing Rd VII ,SCIENCE-BASED INDUSTRIAL PARK,HSINCHU,TAIWAN,R.O.C. ISSUED BY:Advance Data Technology Corporation LAB LOCATION:No. 81-1, Lu Liao Keng, 9 Ling, Wu Lung Tsuen, Chiung Lin Hsiang, Hsin Chu Hsien, Taiwan, R.O.C. This test report consists of 57 pages in total. It may be duplicated completely for legal use with the approval of the applicant. It should not be reproduced except in full, without the written approval of our laboratory. The client should not use it to claim product endorsement by CNLA, A2LA or any government agencies. The test results in the report only apply to the tested sample. The test results in this report are traceable to the national or international standards. 0536 No. 2177-01 ILAC MRA FCC ID: RRK1WCFG02VA1 Report No.: RF940707H012Report Format Version 2.0.2 Table of Contents 1CERTIFICATION ........................................................................................... 4 2SUMMARY OF TEST RESULTS................................................................... 5 3GENERAL INFORMATION ........................................................................... 6 3.1GENERAL DESCRIPTION OF EUT.............................................................. 6 3.2DESCRIPTION OF TEST MODES................................................................ 7 3.3TEST MODE APPLICABLITY AND TESTED CHANNEL DETAIL: ................ 8 3.4GENERAL DESCRIPTION OF APPLIED STANDARDS ............................... 9 3.5DESCRIPTION OF SUPPORT UNITS........................................................ 10 3.6CONFIGURATION OF SYSTEM UNDER TEST ......................................... 10 4TEST TYPES AND RESULTS......................................................................11 4.1CONDUCTED EMISSION MEASUREMENT ...............................................11 4.1.1LIMITS OF CONDUCTED EMISSION MEASUREMENT ............................11 4.1.2TEST INSTRUMENTS .................................................................................11 4.1.3TEST PROCEDURES................................................................................. 12 4.1.4TEST SETUP .............................................................................................. 12 4.1.5EUT OPERATING CONDITIONS................................................................ 13 4.1.6TEST RESULTS.......................................................................................... 14 4.2RADIATED EMISSION MEASUREMENT ................................................... 16 4.2.1LIMITS OF RADIATED EMISSION MEASUREMENT ................................ 16 4.2.2TEST INSTRUMENTS ................................................................................ 17 4.2.3TEST PROCEDURES................................................................................. 18 4.2.4TEST SETUP .............................................................................................. 19 4.2.5EUT OPERATING CONDITIONS................................................................ 19 4.2.6TEST RESULTS.......................................................................................... 20 4.2.7TEST RESULTS – DSSS ............................................................................ 21 4.2.8TEST RESULTS – OFDM ........................................................................... 24 4.36DB BANDWIDTH MEASUREMENT.......................................................... 27 4.3.1LIMITS OF 6DB BANDWIDTH MEASUREMENT ....................................... 27 4.3.2TEST INSTRUMENTS ................................................................................ 27 4.3.3TEST PROCEDURE ................................................................................... 28 4.3.4TEST SETUP .............................................................................................. 28 4.3.5EUT OPERATING CONDITIONS................................................................ 28 4.3.6TEST RESULTS – DSSS ............................................................................ 29 4.3.7TEST RESULTS – OFDM ........................................................................... 32 4.4MAXIMUM PEAK OUTPUT POWER .......................................................... 35 FCC ID: RRK1WCFG02VA1 Report No.: RF940707H013Report Format Version 2.0.2 4.4.1LIMITS OF MAXIMUM PEAK OUTPUT POWER MEASUREMENT ........... 35 4.4.2TEST INSTRUMENTS ................................................................................ 35 4.4.3TEST PROCEDURES................................................................................. 36 4.4.4TEST SETUP .............................................................................................. 36 4.4.5EUT OPERATING CONDITIONS................................................................ 36 4.4.6TEST RESULTS – DSSS ............................................................................ 37 4.4.7TEST RESULTS – OFDM ........................................................................... 38 4.5POWER SPECTRAL DENSITY MEASUREMENT...................................... 39 4.5.1LIMITS OF POWER SPECTRAL DENSITY MEASUREMENT ................... 39 4.5.2TEST INSTRUMENTS ................................................................................ 39 4.5.3TEST PROCEDURE ................................................................................... 40 4.5.4TEST SETUP .............................................................................................. 40 4.5.5EUT OPERATING CONDITIONS................................................................ 40 4.5.6TEST RESULTS – DSSS ............................................................................ 41 4.5.7TEST RESULTS – OFDM ...........................................…

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FCC ID: RRK1WCFG02VA1 Report No.: RF940707H0155Report Format Version 2.0.2 5 PHOTOGRAPHS OF THE TEST CONFIGURATION CONDUCTED EMISSION TEST FCC ID: RRK1WCFG02VA1 Report No.: RF940707H0156Report Format Version 2.0.2 RADIATED EMISSION TEST