N6C-USBACEmbedded Wireless Module

User Manual Since this module is not sold to general end users directly, there is no user manual of module. For the details about this module, please refer to the specification sheet of module. This module should be installed in the host device according to the interface specification (installation procedure). FCC Notice This device complies with Part 15 of 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. List of applicable FCC rules This device complies with below part 15 of the FCC Rules. Part 15 Subpart C Part 15 Subpart E Test Modes silex technology, Inc. uses various test mode programs for test set up which operate separate from production firmware. Host integrators should contact silex technology, Inc. for assistance with test modes needed for module/host compliance test requirements. Additional testing, Part 15 Subpart B disclaimer The modular transmitter is only FCC authorized for the specific rule parts (i.e., FCC transmitter rules) listed on the grant, and the host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. The final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed. Summarize the specific operational use conditions This module designed for mounting inside of the end product by end product manufacturer professionally. Therefore, it complies with the antenna and transmission system requirements of §15.203. Compliance with FCC requirement 15.407(c) Data transmission is always initiated by software, which is the passed down through the MAC, through the digital and analog baseband, and finally to the RF chip. Several special packets are initiated by the MAC. These are the only ways the digital baseband portion will turn on the RF transmitter, which it then turns off at the end of the packet. Therefore, the transmitter will be on only while one of the aforementioned packets is being transmitted. In other words, this device automatically discontinue transmission in case of either absence of information to transmit or operational failure. RF exposure considerations This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment and meets the FCC radio frequency (RF) Exposure Guidelines. This equipment should be installed and operated keeping the radiator at least 20cm or more away from person’s body. Co-Location Rule This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter. Label and compliance information Following information must be indicated on the host device of this module. Contains Transmitter Module FCC ID：N6C-USBAC Or Contains FCC ID：N6C-USBAC FCC CAUTION The following statements must be described on the user manual of the host device of this module; FCC CAUTION Changes or modifications not expressly approved by the party responsible for compliance could void the userbs authority to operate the equipment. Antennas Recommended Antenna List Antennas Vendors Antenna Type 2.4GHz Gain 5GHz Gain SXANTFDB24A55-02 Silex Patern +2.0dBi +3.0dBi WLAN Channel 12 & 13 Product hardware has the capability to operate on channel 12 & 13. However, these 2 channels will be disabled via software and user will not able to enable these 2 channels. ISED Notice This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: 1. This device may not cause interference. 2. This device must accept any interference, including interference that may cause undesired operation of the device. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : 1. L’appareil ne doit pas produire de brouillage; 2. L’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement. Label and compliance information The following information must be indicated on the host device of this module. Les informations suivantes doivent être indiquées sur le périphérique hôte de ce module. Contains Transmitter Module IC: 4908A-USBAC Or Contains IC: 4908A-USBAC Operation in the band 5150-5350 MHz Operation in the band 5150-5350 MHz is only for indoor use to reduce the potential for harmful interference to co- channel mobile satellite systems. La bande 5150-5350 MHz est réservés uniquement pour une utilisation à l'intérieur afin de réduire les risques de brouillage préjudiciable aux systèmes de satellites mobiles utilisant les mêmes canaux. Data transmission Data transmission is always initiated by software, which is the passed down through the MAC, through the digital and analog baseband, and finally to the RF chip. Several special packets are initiated by the MAC. These are the only ways the digital baseband portion will turn on the RF transmitter, which it then turns off at the end of the packet. Therefore, the transmitter will be on only while one of the aforementioned packets is being transmitted. In other words, this device automatically discontinue transmission in case of either absence of information to transmit or operational failure. La transmission des données est toujours initiée par le logiciel, puis les données sont transmises par l'intermédiaire du MAC, par la bande de base numérique et analogique et, enfin, à la puce RF. Plusieurs paquets spéciaux sont initiés par le MAC. Ce sont les seuls moyens pour qu'une partie de la bande de base numérique active l'émetteur RF, puis d…

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1 KDB996369 Check List FCC ID: N6C-USBAC Applicant: Silex Technology, Inc. This transmitter complies with KDB996369 D03 as indicated below: Modular approval requirement Applicable Not Applicable 2.2 List of applicable FCC rules List the FCC rules that are applicable to the modular transmitter. These are the rules that specifically establish the bands of operation, the power, spurious emissions, and operating fundamental frequencies. DO NOT list compliance to unintentional-radiator rules (Part 15 Subpart B) since that is not a condition of a module grant that is extended to a host manufacturer. See also Section 2.10 below concerning the need to notify host manufacturers that further testing is required. Please refer to User Manual 2.3 Summarize the specific operational use conditions Describe use conditions that are applicable to the modular transmitter, including for example any limits on antennas, etc. For example, if point-to-point antennas are used that require reduction in power or compensation for cable loss, then this information must be in the instructions. If the use condition limitations extend to professional users, then instructions must state that this information also extends to the host manufacturer’s instruction manual. In addition, certain information may also be needed, such as peak gain per frequency band and minimum gain, specifically for master devices in 5 GHz DFS bands. Please refer to User Manual 2.4 Limited module procedures If a modular transmitter is approved as a “limited module,” then the module manufacturer is responsible for approving the host environment that the limited module is used with. The manufacturer of a limited module must describe, both in the filing and in the installation instructions, the alternative means that the limited module manufacturer uses to verify that the host meets the necessary requirements to satisfy the module limiting conditions. A limited module manufacturer has the flexibility to define its alternative method to address the conditions that limit the initial approval, such as: shielding, minimum signaling amplitude, buffered modulation/data inputs, or power supply regulation. The alternative method could include that the limited module manufacturer reviews detailed test data or host designs prior to giving the host manufacturer approval. This limited module procedure is also applicable for RF exposure evaluation when it is necessary to demonstrate compliance in a specific host. The module manufacturer must state how control of the product into which the modular transmitter will be installed will be maintained such that full compliance of the product is always ensured. For additional hosts other than the specific host originally granted with a limited module, a Class II permissive change is required on the module grant to register the additional host as a specific host also approved with the module. 2 2.5 Trace antenna designs For a modular transmitter with trace antenna designs, see the guidance in Question 11 of KDB Publication 996369 D02 FAQ – Modules for Micro-Strip Antennas and traces. The integration information shall include for the TCB review the integration instructions for the following aspects: layout of trace design, parts list (BOM), antenna, connectors, and isolation requirements. a) Information that includes permitted variances (e.g., trace boundary limits, thickness, length, width, shape(s), dielectric constant, and impedance as applicable for each type of antenna); b) Each design shall be considered a different type (e.g., antenna length in multiple(s) of frequency, the wavelength, and antenna shape (traces in phase) can affect antenna gain and must be considered); c) The parameters shall be provided in a manner permitting host manufacturers to design the printed circuit (PC) board layout; d) Appropriate parts by manufacturer and specifications; e) Test procedures for design verification; and f) Production test procedures for ensuring compliance. The module grantee shall provide a notice that any deviation(s) from the defined parameters of the antenna trace, as described by the instructions, require that the host product manufacturer must notify the module grantee that they wish to change the antenna trace design. In this case, a Class II permissive change application is required to be filed by the grantee, or the host manufacturer can take responsibility through the change in FCC ID (new application) procedure followed by a Class II permissive change application. 2.6 RF exposure considerations It is essential for module grantees to clearly and explicitly state the RF exposure conditions that permit a host product manufacturer to use the module. Two types of instructions are required for RF exposure information: (1) to the host product manufacturer, to define the application conditions (mobile, portable – xx cm from a person’s body); and (2) additional text needed for the host product manufacturer to provide to end users in their end-product manuals. If RF exposure statements and use conditions are not provided, then the host product manufacturer is required to take responsibility of the module through a change in FCC ID (new application). Please refer to User Manual 2.7 Antennas A list of antennas included in the application for certification must be provided in the instructions. For modular transmitters approved as limited modules, all applicable professional installer instructions must be included as part of the information to the host product manufacturer. The antenna list shall also identify the antenna types (monopole, PIFA, dipole, etc. (note that for example an “omni-directional antenna” is not considered to be a specific “antenna type”)). For situations where the host product manufacturer is responsible for an external connector, for example with an RF pin and antenna trace design, the integration instructions shall inform the installer that unique antenna connector must be used on the Part 15 authoriz…

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Drawing No.：JW205660AX © silex technology, Inc. Date：October 22, 2020 (37/60) CONFIDENTIAL 9.表示仕様 / Indication specifications SX-USBAC-SMT, SX-USBAC-TAC, SX-USBAC-SMT-SP, SX-USBAC-TAC-SP Country of origin (French) Country of origin (English) 製造者名 Manufacturer name モデル名 (HVIN) Model name (HVIN) MIC Mark and number 日本国内W52/53 屋外利用制限注意文 Warning message of W52/53 for Japan FCC ID 2D Code Data Matrix (ECC200) Data: MAC Address(Last 6 digit) MAC Address (Last 6 digit) IC ID

UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8999 Facsimile : +81 596 24 8124 RF Exposure / MPE Calculation No. : 13521383H Applicant : silex technolo gy, Inc. Type of Equipment : Embedded Wireless Module Model No. : SX-USBAC FCC ID : N6C-USBAC silex technology, Inc. declares that Model: SX-USBAC complies with FCC radiation exposure requirement specified in the FCC Rule 2.1091 (for mobile). RF Exposure Calculations: The following information provides the minimum separation distance for the highest gain antenna provided with the “SX-USBAC“ as calculated from (B) Limits for General Population / Uncontrolled Exposure of TABLE 1- LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) of §1.1310 Radiofrequency radiation exposure limits. 【WLAN 2.4 GHz band part】 This calculation is based on the highest EIRP possible from the system, considering maximum power and antenna gain, and considering a 1mW/cm^2 uncontrolled exposure limit. The Friis formula used was: Where P =101.86 mW (Maximum average output power) Time average was used for the above value in consideration of 6-minutes time-averaging Burst power average was used for the above value in consideration of worst condition. G =1.585 N umerical Antenna gain; equal to 2dBi r =20 cm (Separation distance) 0.03212 mW/cm 2 Power Density Result S = 2 4r GP S     【Bluetooth (BT LE) part】 This calculation is based on the highest EIRP possible from the system, considering maximum power and antenna gain, and considering a 1mW/cm^2 uncontrolled exposure limit. The Friis formula used was: Where P =1.20 mW (Maximum average output power) Time average was used for the above value in consideration of 6-minutes time-averaging Burst power average was used for the above value in consideration of worst condition. G =1.585 Numerical Antenna gain; equal to 2dBi r =20 cm (Separation distance) 0.00038 mW/cm 2 Power Density Result S = 2 4r GP S     UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8999 Facsimile : +81 596 24 8124 【Bluetooth (BR/EDR) part】 This calculation is based on the highest EIRP possible from the system, considering maximum power and antenna gain, and considering a 1mW/cm^2 uncontrolled exposure limit. The Friis formula used was: Where P =1.99 mW (Maximum average output power) Time average was used for the above value in consideration of 6-minutes time-averaging Burst power average was used for the above value in consideration of worst condition. G =1.585 Numerical Antenna gain; equal to 2 dBi r =20 cm (Separation distance) 0.00063 mW/cm 2 Power Density Result S = 2 4r GP S     【WLAN 5 GHz band part】 This calculation is based on the highest EIRP possible from the system, considering maximum power and antenna gain, and considering a 1mW/cm^2 uncontrolled exposure limit. The Friis formula used was: Where P =25.41 mW (Maximum average output power) Time average was used for the above value in consideration of 6-minutes time-averaging Burst power average was used for the above value in consideration of worst condition. G =1.995 Numerical Antenna gain; equal to 3 dBi r =20 cm (Separation distance) 0.01009 mW/cm 2 Power Density Result S = 2 4r GP S     Even taking into account the tolerance, this device can be satisfied with the limits. Therefore, if Bluetooth (BR/EDR) + WLAN 5 GHz transmit simultaneo usly, S=0.00063 mW/cm 2 + 0.01009 mW/cm 2 =0.01072 mW/cm 2

Test report No. : 13521383H-A-R1 Page : 1 of 93 Issued date : April 16, 2021 FCC ID : N6C-USBAC UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8999 Facsimile : +81 596 24 8124 Report Cover Page - 13-EM-F0429 Issue # 17.0 RADIO TEST REPORT Test Report No. : 13521383H-A-R1 Applicant : silex technology, Inc. Type of EUT : Embedded Wireless Module Model Number of EUT : SX-USBAC FCC ID : N6C-USBAC Test regulation : FCC Part 15 Subpart C: 2020 *WLAN and Bluetooth Low Energy parts Test Result : Complied (Refer to SECTION 3) Date of test: October 14 2020 to March 22, 2021 Representative test engineer: Ryota Yamanaka Engineer Consumer Technology Division Approved by: Satofumi Matsuyama Engineer Consumer Technology Division CERTIFICATE 5107.02 The testing in which "Non-accreditation" is displayed is outside the accreditation scopes in UL Japan. There is no testing item of "Non-accreditation". 1. This test report shall not be reproduced in full or partial, without the written approval of UL Japan, Inc. 2. The results in this report appl y only to the sample tested. 3. This sample tested is in compliance with the limits of the above re gulation. 4. The test results in this test report are traceable to the national or international standards. 5. This test report must not be used by the customer to claim product certification, approval, or endorsement by the A2LA accreditation body. 6. This test report covers Radio technical requirements. It does not cover administrative issues such as Manual or non-Radio test related Requirements. (if applicable) 7. The all test items in this test report are conducted b y UL Japan, Inc. Ise EMC Lab. 8. The opinions and the interpretations to the result of the description in this report are outside scopes where UL Japan has been accredited. 9. The information provided from the customer for this report is identified in Section 1. 10. This report is a revised version of 13521383H-A. 13521383H- A is replaced with this report. Test report No. : 13521383H-A-R1 Page : 2 of 93 Issued date : April 16, 2021 FCC ID : N6C-USBAC UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8999 Facsimile : +81 596 24 8124 REVISION HISTORY Original Test Report No.: 13521383H-A Revision Test report No. Date Page revised Contents - (Original) 13521383H-A November 20, 2020 - - 1 13521383H-A-R1 April 16, 2021 P.1 Correction of Date of test October 14 to November 4, 2020→ October 14 2020 to March 22, 2021 1 13521383H-A-R1 April 16, 2021 P.5 Addition of Receipt Date for BT LE in Section 2.1. 1 13521383H-A-R1 April 16, 2021 P.14 Correction of Test voltage in Section 4.2. AC 100 V/ 60 Hz→AC 120 V/ 60 Hz 1 13521383H-A-R1 April 16, 2021 P.14 Addition of below explanatory note *5) in Section 4.2. *5) Conducted Emission test was performed on this port. 1 13521383H-A-R1 April 16, 2021 P.15 Addition of Serial number and *3), *4) for BT LE in Section 4.2. 1 13521383H-A-R1 April 16, 2021 P.18 Addition of (BT LE) following sentence in Section 6. 11.12.2.5.2 The duty cycle was less than 98% for detected noise, a duty factor was added to the 11.12.2.5.1 results. → 11.12.2.5.2 (BT LE) The duty cycle was less than 98% for detected noise, a duty factor was added to the 11.12.2.5.1 results. 1 13521383H-A-R1 April 16, 2021 P.37 Replacement to new test data in APPENDIX 1: Test data (Burst rate confirmation) 1 13521383H-A-R1 April 16, 2021 P.22 to 24, 27, 30, 31, 33, 74 to 78, 80, 81, 82, 87 Replacement to new test data in APPENDIX 1: Test data for BT LE 1 13521383H-A-R1 April 16, 2021 P.88, 89 Replacement to new test instruments in APPENDIX 2: Test instruments Test report No. : 13521383H-A-R1 Page : 3 of 93 Issued date : April 16, 2021 FCC ID : N6C-USBAC UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8999 Facsimile : +81 596 24 8124 Reference: Abbreviations (Including words undescribed in this report) A2LA The American Association for Laboratory Accreditation MCS Modulation and Coding Scheme AC Alternating Current MRA Mutual Recognition Arrangement AFH Adaptive Frequency Hopping N/A Not Applicable AM Amplitude Modulation NIST National Institute of Standards and Technology Amp, AMP Amplifier NS No signal detect. ANSI American National Standards Institute NSA Normalized Site Attenuation Ant, ANT Antenna NVLAP National Voluntary Laboratory Accreditation Program AP Access Point OBW Occupied Band Width ASK Amplitude Shift Keying OFDM Orthogonal Frequency Division Multiplexing Atten., ATT Attenuator P/M Power meter AV Average PCB Printed Circuit Board BPSK Binary Phase-Shift Keying PER Packet Error Rate BR Bluetooth Basic Rate PHY Physical Layer BT Bluetooth PK Peak BT LE Bluetooth Low Energy PN Pseudo random Noise BW BandWidth PRBS Pseudo-Random Bit Sequence Cal Int Calibration Interval PSD Power Spectral Density CCK Complementary Code Keying QAM Quadrature Amplitude Modulation Ch., CH Channel QP Quasi-Peak CISPR Comite International Special des Perturbations Radioelectriques QPSK Quadri-Phase Shift Keying CW Continuous Wave RBW Resolution Band Width DBPSK Differential BPSK RDS Radio Data System DC Direct Current RE Radio Equipment D-factor Distance factor RF Radio Frequency DFS Dynamic Frequency Selection RMS Root Mean Square DQPSK Differential QPSK RSS Radio Standards Specifications DSSS Direct Sequence Spread Spectrum Rx Receiving EDR Enhanced Data Rate SA, S/A Spectrum Analyzer EIRP, e.i.r.p. Equivalent Isotropically Radiated Power SG Signal Generator EMC ElectroMagnetic Compatibility SVSWR Site-Voltage Standing Wave Ratio EMI ElectroMagnetic Interference TR Test Receiver EN European Norm Tx Transmitting ERP, e.r.p. Effective Radiated Power VBW Video BandWidth EU European Union Vert. Vertical EUT Equipment Under Test WLAN Wireless LAN Fac. Factor FCC Federal Communications Commission FHSS Frequency Hopping Spread Spectrum FM Frequency Modulation Freq. Freq…

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Test report No. : 13521383H-A-R1 Page : 90 of 93 Issued date : April 16, 2021 FCC ID : N6C-USBAC UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8999 Facsimile : +81 596 24 8124 APPENDIX 3: Photographs of test setup Conducted Emission Photo 1 Photo 2 Test report No. : 13521383H-A-R1 Page : 91 of 93 Issued date : April 16, 2021 FCC ID : N6C-USBAC UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8999 Facsimile : +81 596 24 8124 Radiated Spurious Emission Photo 1 Photo 2 Test report No. : 13521383H-A-R1 Page : 92 of 93 Issued date : April 16, 2021 FCC ID : N6C-USBAC UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8999 Facsimile : +81 596 24 8124 Worst Case Position Below 1GHz (Horizontal: Y-axis/ Vertical:Y-axis) Above 1GHz (Horizontal: Z-axis/ Vertical:Y-axis) 2nd Harmonics (Horizontal: X-axis/ Vertical:Z-axis) X-axis Y-axis Z-axis Test report No. : 13521383H-A-R1 Page : 93 of 93 Issued date : April 16, 2021 FCC ID : N6C-USBAC UL Japan, Inc. Ise EMC Lab. 4383-326 Asama-cho, Ise-shi, Mie-ken 516-0021 JAPAN Telephone : +81 596 24 8999 Facsimile : +81 596 24 8124 Antenna Terminal Conducted Tests End of Report