S5FSDWFCU-33HRWi-Fi Module

USER MANUAL 1、Summary SDWFCU-33HR Smart home WIFI module is a suitable receiving IEEE802.11b/g/n WLAN receiver. Design of SDWFCU-33HR Smart home WIFI module, including RF impedance of antenna, matching, USB port impedance matching, power supply unit. SDWFCU-33HR Smart home WIFI module can be USB2.0 /UART/SPI ,And has the GPIO output used in home appliances - refrigerator - air conditioning - washing machine - LED and so on the Internet of things. This product is of high reliability, strong universality. In terms of electrical performance, stable and reliable work. (see Figure) 2、Technical indicators 2.1 service restrictions Atmospheric pressure： 86kPa～106kPa temperature limit：-5°C～40°C Relative humidity：≦90% , 2.2. Electrical characteristics 2.2.1 Transmit power Frequency in 2412MHz (1CH), 2437 MHz (6CH), 2462 MHz (11CH) for 802.11b, 802.11g& 802.11n HT20 & 2422MHz (3CH), 2437 MHz (6CH), 2452 MHz (9CH) for 802.11n HT40 transmit power value as shown in table 1.Table 1 The transmit power value unit：dBm Protocol Data rate(Mbps) transmit power value 802.11b 11 17 ± 2 802.11g 54 14 ± 2 802.11n(HT20) 65(MCS7) 13 ± 2 802.11n(HT40) 135(MCS7) 12 ± 2 2.2.2 EVM Frequency 2412MHz (1CH), 2437 MHz (6CH), 2462 MHz (11CH) for 802.11b, 802.11g& 802.11n HT20 & 2422MHz (3CH), 2437 MHz (6CH), 2452 MHz (9CH) for 802.11n HT40 EVM values are shown in table 2. Table 2 EVM value unit：：dB Protocol Data rate(Mbps) EVM 802.11b 11 ≤-10 802.11g 54 ≤ -25 802.11n(HT20) 65(MCS7) ≤ -25 802.11n(HT40) 135(MCS7) ≤ -28 2.2.3 Frequency accuracy Frequency in 2412MHz (1CH), 2437 MHz (6CH), 2462 MHz (11CH) for 802.11b, 802.11g & 802.11n HT20 &2422MHz (3CH), 2437 MHz (6CH), 2452 MHz (9CH) for 802.11n HT40 frequency accuracy as shown in table 3. Table 3 Frequency accuracy unit： kHz Protocol Data rate(Mbps) Frequency accuracy 802.11b 11 -25≤Frequency accuracy≤25 802.11g 54 -25≤Frequency accuracy≤25 802.11n(HT20) 65(MCS7) -25≤Frequency accuracy≤25 802.11n(HT40) 135(MCS7) -25≤Frequency accuracy≤25 2.2.4Sensitivity Frequency in 2412MHz (1CH), 2437 MHz (6CH), 2462 MHz (11CH) for 802.11b,802.11g & 802.11n HT20 &2422MHz (3CH), 2437 MHz (6CH), 2452 MHz (9CH) for 802.11n HT40 Sensitivity as shown in table 4. Table 4Sensitivity unit：dBm Protocol Data rate(Mbps) sensitivity 802.11b 11 ≤-77 802.11g 54 ≤-66 802.11n(HT20) 65(MCS7) ≤-65 802.11n(HT40) 135(MCS7) ≤-62 2.2.5 Internet experience test In 802.11b/g/n, the distance of router 10m, separated by a wall, playback buffer fast, smooth. 3、SDWFCU-33HR Pin definition and mechanical dimensions PIN. PIN NAME PIN. PIN NAME PIN. PIN NAME A1 3.3V B1 USB_DN B17 GPIO12 A2 GND_1 B2 USB_DP B18 GPIO13 A3 CHIP_PWD_L B3 UART_RXD B19 IOT_MODE_EN A4 Watchdog B4 UART_TXD A5 GPIO18 B5 GND_2 C1 VIN A6 GPIO16 B6 3.3V_2 C2 GND A7 GPIO17 B7 GPIO0 C3 RXD-5V A8 GPIO15 B8 GPIO1 C4 TXD-5V A9 GPIO21 B9 GPIO2 A10 WAKEUP_N B10 GPIO3 A11 I2C_SCK B11 GPIO4 A12 I2C_SDA B12 GPIO5 B13 UART_RXD B14 UART_TXD B15 GPIO9 B16 GPIO8 (Viewed for top) (Viewed for bottom) 25.00 45.00 6.151.27 18x1.27=22.86 6.15 38-0.70 38-1.00 45.00 1.27 18x1.27=22.86 6.151.27 18x1.27=22.86 6.151.27 18x1.27=22.86 25.00 NOTE1:General tolerance ±0.15mm unless otherwise stated NOTE2:Unit mm NOTE3:Drawing not to scale 3 8 - R 0 . 4 0 4、Use and repair Electronic products this product belongs to high density, high technology, specifically for TV, PC production plant use, do not use due to mechanical impact and external direct action, the appearance by the damage phenomenon. If the product fails, by professional technicians to repair. 5、Special version SDWFCU-33HR/*** is a SDWFCU-33HR product, suffix‘ * * * ’is made by use of manufacturers and other information that has no effect on the product itself. 6、OEM Labeling Requirements NOTICE: The OEM must make sure that labeling requirements are met. This includes a clearly visible exterior label on the outside of host system, host system must be labeled with “contains FCC ID: S5FSDWFCU-33HR” . CE statement This device complies with relative criteria of CE certification ETSI EN 300 328, ETSI EN 301 489-1, ETSI EN 301 489-17 & EN 62311 FCC Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. 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. This device complies with part 15C of the FCC Rules. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for …

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EXHIBIT B – EUT EXTERNAL PHOTOGRAPHS EUT – Top View EUT – Bottom View RX/TX ANT 1 RX ANT 2

EXHIBIT A – FCC LABELING AND LABEL LOCATION FCC ID Label FCC ID Label Location

EXHIBIT C – EUT INTERNAL PHOTOGRAPHS EUT – Uncover View EUT – Main Board Top View EUT – Main Board Bottom View

Bay Area Compliance Laboratories Corp. (Chengdu) Report No.: RSC141205001 Page 12 of 61 FCC §15.247 (i), §2.1091 & §1.1307(b)(1)- MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 15.247(i)and subpart §1.1310, systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 30 30–300 27.5 0.073 0.2 30 300–1500 - - f/1500 30 1500–100,000 - - 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² Where: S = power density (in appropriate units, e.g. mW/cm 2 ); 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, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Antenna Gain Conducted Power Mode Frequency (MHz) (dBi) (numeric)(dBm)(mW) Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) 802.11b 2412 1.5 1.41 17.1251.5220 0.014 1.0 802.11g 2412 1.5 1.41 14.6028.8420 0.008 1.0 802.11n HT20 2412 1.5 1.41 13.5622.7020 0.006 1.0 802.11n HT40 2422 1.5 1.41 11.6814.7220 0.004 1.0 Result: The device meet FCC MPE at 20 cm distance.

Note: This test report was prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Chengdu). Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. This report was valid only with a valid digital signature. FCC PART 15.247 TEST REPORT For Chengdu Xuguang Tech Co., LTD Two Section of Park Road, Longquanyi, Chengdu, Sichuan, China Report Type: Original Report Product Name: WIFI MODULE Test Engineer: Kevin Tao Report Number: RSC141205001 Report Date: 2014-12-30 Reviewed By: Harry Wu Technical Leader Test Laboratory: Bay Area Compliance Laboratories Corp. (Chengdu) 5040, HuiLongWan Plaza, No. 1, ShaWan Road, JinNiu District, ChengDu, China Tel: 028-65523123, Fax: 028-65525125 www.baclcorp.com FCC ID: S5FSDWFCU-33HR Bay Area Compliance Laboratories Corp. (Chengdu) Report No.: RSC141205001 Page 2 of 61 TABLE OF CONTENTS GENERAL INFORMATION........................................................................................................................................4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT)................................................................................4 OBJECTIVE..................................................................................................................................................................4 RELATED SUBMITTAL(S)/GRANT(S)............................................................................................................................4 TEST METHODOLOGY.................................................................................................................................................4 TEST FACILITY.............................................................................................................................................................5 SYSTEM TEST CONFIGURATION...........................................................................................................................6 DESCRIPTION OF TEST CONFIGURATION...................................................................................................................6 EUT EXERCISE SOFTWARE........................................................................................................................................7 EQUIPMENT MODIFICATIONS......................................................................................................................................7 SUPPORT EQUIPMENT LIST AND DETAILS..................................................................................................................8 EXTERNAL I/O CABLE.................................................................................................................................................8 BLOCK DIAGRAM OF TEST SETUP..............................................................................................................................9 SUMMARY OF TEST RESULTS.............................................................................................................................11 FCC §15.247 (i), §2.1091 & §1.1307(b)(1)- MAXIMUM PERMISSIBLE EXPOSURE (MPE)............................12 APPLICABLE STANDARD............................................................................................................................................12 FCC §15.203 - ANTENNA REQUIREMENT..........................................................................................................13 APPLICABLE STANDARD............................................................................................................................................13 ANTENNA CONNECTOR CONSTRUCTION..................................................................................................................13 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS....................................................................................14 APPLICABLE STANDARD............................................................................................................................................14 MEASUREMENT UNCERTAINTY.................................................................................................................................14 EUT SETUP...............................................................................................................................................................14 EMI TEST RECEIVER SETUP....................................................................................................................................15 TEST PROCEDURE....................................................................................................................................................15 CORRECTED AMPLITUDE & MARGIN CALCULATION.................................................................................................15 TEST EQUIPMENT LIST AND DETAILS.......................................................................................................................16 TEST RESULTS SUMMARY........................................................................................................................................16 TEST DATA................................................................................................................................................................16 FCC §15.209, §15.205 & §15.247(d) - SPURIOUS EMISSIONS.......................................................................19 APPLICABLE STANDARD............................................................................................................................................19 MEASUREMENT UNCERTAINTY.............................................................................................................................…

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EXHIBIT D – TEST SETUP PHOTOGRAPHS Conducted Emissions Front View Conducted Emissions Rear View Radiated Emissions View (Below 1GHz) Radiated Emissions View (Above 1GHz) Close-up View