2APDI-BCM-SQ400-ASBluetooth Module

KDͬ/ŶƚĞŐƌĂƚŽƌƐ/ŶƐƚĂůůĂƚŝŽŶDĂŶƵĂů CO NFIDENTIAL INFORMATION BnCOM Co.,Ltd. BCM- 00-ASSQ4 BnCOM Audio Module User Manual BCM-SQ400-AS Romeo HWANG [날짜] Revision History DATE VERSION DESCRIPTION AUTHOR 2022-01-14 0.1 Draft version Romeo Table of Contents 1. INTRODUCTION.................................................................................. 1 PURPOSE ................................................................................................................. 1 INTENDED AUDIENCE AND PERTINENT SECTIONS ........................................... 1 DOCUMENT CONVENTIONS ................................................................................... 1 REFERENCES .......................................................................................................... 2 2. Overview ............................................................................................. 3 DEFINITIONS AND ABBREVIATION ....................................................................... 3 2.1.1 Definitions ................................................................................................ 3 2.1.2 Abbreviations ........................................................................................... 3 3. AT COMMAND .................................................................................... 4 3.1 AT Command syntax ....................................................................................... 4 3.2 Basic Commands ............................................................................................ 6 3.2.1 ATtention .................................................................................................. 6 3.2.2 Soft reset Z ............................................................................................... 6 3.2.3 Set to factory-defined configuration &F ................................................ 6 3.2.4 Verbose result codes V ........................................................................... 7 3.2.5 Error message format +CMEE ................................................................ 8 3.2.6 Display product identification information I .......................................... 9 3.2.7 Display version information +VERSION ................................................ 9 3.2.8 Change UART configuration +UART .................................................... 10 3.3 General Commands ....................................................................................... 12 3.3.1 Configure the Bluetooth local name +LOCALNAME .......................... 12 3.3.2 Read the remote Bluetooth name +REMOTENAME ............................ 12 3.3.3 Read the local Bluetooth address +LOCALADDR .............................. 12 3.3.4 Read the remote Bluetooth address +REMOTEADDR ....................... 13 3.3.5 Configure the Bluetooth pairing procedure +PAIRMODE .................. 13 3.3.6 Change PIN code +PINCODE ................................................................ 13 3.3.7 Power on reconnection +PWRONCON ................................................ 14 3.3.8 Auto reconnection +AUTOCON ............................................................ 14 3.3.9 Link loss recovery +LINKLOSS ............................................................ 15 3.3.10 Power On/Off +POWER ......................................................................... 16 3.3.11 Start/Stop/Remove pair +PAIR ............................................................. 17 3.3.12 Pairing timeout +PAIRINT ..................................................................... 17 3.3.13 Bluetooth connect +CONNECT ............................................................ 17 3.3.14 Bluetooth disconnect +DISCONNECT ................................................. 18 3.3.15 Volume gain speaker +VGS .................................................................. 18 3.3.16 Mute control +MUTE .............................................................................. 19 3.4 HFP Commands ............................................................................................. 20 3.4.1 Answering an incoming call A .............................................................. 20 3.4.2 Terminate or Reject a call +CHUP ........................................................ 20 3.4.3 Audio transfer +SCO ............................................................................. 20 3.4.4 Place a call with the phone number D ................................................. 21 3.4.5 Last number re-dial +BLDN .................................................................. 21 3.4.6 Calling line identification notification +CLIP ....................................... 21 3.4.7 Toggle voice recognition +BVRA ......................................................... 22 3.4.8 Transmit DTMF code +VTS ................................................................... 22 3.4.9 Subscriber number information +CNUM ............................................. 23 3.4.10 Retrieve supported features +BRSF .................................................... 23 3.4.11 Headset button press +CKPD ............................................................... 24 3.4.12 Change the internal HFP settings +SETHFP ....................................... 24 3.4.13 Get the internal HFP settings +GETHFP .............................................. 25 3.5 A2DP and AVRCP Commands ...................................................................... 27 3.5.1 Toggle music playback +PLAYNPAUSE .............................................. 27 3.5.2 Play the music +PLAY ........................................................................... 27 3.5.3 Pause the music +PAUSE ..................................................................... 27 3.5.4 Play the next song +FORWARD ........................................................... 27 3.5.5 Play the previous song +BACKWARD ................................................. 28 3.5.6 Change player’s rep…

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Attestation Statement Letter I Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Date: __________________ Ref: Attestation Statements Part 2.911(d)(5)(i) Filing FCC Application for FCC ID: _______________________________ ________________________ certifies that the equipment for which authorization is sought is not “covered” equipment prohibited for receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Applicant’s Signature: Applicant’s Name:

Attestation Statement Letter II Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: __________________ Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing FCC Application for FCC ID: _______________________________ _________________________ certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Applicant’s Signature: Applicant’s Name:

BNCOM CO.LTD 1106, M-Techno Center, 46, Gongdan-ro 140 Beon-gil Gunpo-si, Gyeonggi-do, 15847 South Korea Date: 2023-03-21 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2APDI-BCM-SQ400-AS US Agent – Attestation Statement / Part 2.911(d)(7) BNCOM CO.LTD certifies, that as of 2023-03-21, we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2APDI-BCM-SQ400-AS BNCOM CO.LTD, accepts to maintain an agent of service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission- related administrative or judicial proceeding involving the equipment, whichever is later. FCC US Agent, LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of BNCOM CO.LTD for FCC ID: 2APDI-BCM-SQ400-AS Designated Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, Company: BNCOM CO.LTD Designated Agent: FCC US Agent, LLC Company Representative: SUNG GON KIM Designated Agent Representative: Tim Payne Signature: Signature:

Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Authorization v02 Page 1 of 1 BNCOM CO.LTD Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2023-02-16 SUBJECT: FCC Application for (FCC ID: 2APDI-BCM-SQ400-AS) To Whom It May Concern: We, the undersigned, hereby authorize David Zhang in Vista Laboratories, Inc. on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Vista Laboratories, Inc. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, (Must be signed by the person that is listed on the FCC Website) Client’s signature: Client’s name & title: SUNG GON KIM/ CEO Contact information / address: 82-31-427-6034 / 1106, M-Techno Center, 46, Gongdan-ro 140 Beon-gil, Gunpo-si, Gyeonggi-do, 15847, Korea

Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Confidentiality v03 Page 1 of 1 BNCOM CO.LTD Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2APDI-BCM- SQ400-AS Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Type of Confidentiality Requested Exhibit Type ☐Short Term ☒Permanent Block Diagrams ☒Short Term External Photos ☒Short Term ☐Permanent* Internal Photos ☐Short Term ☒Permanent Operation Description ☐Short Term ☒Permanent Parts List/BOM ☐ Short Term ☒Permanent Schematics ☒Short Term Test Setup Photos ☒Short Term ☐Permanent* User manual *Requires further justification before permanent confidentiality will be allowed. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for an initial period of 180 days. Sincerely, Client’s signature: Client’s name & title: SUNG GON KIM/ CEO Contact information / address: 82-31-427-6034 / 1106, M-Techno Center, 46, Gongdan-ro 140 Beon-gil, Gunpo-si, Gyeonggi-do, 15847, Korea

BNCOM CO.LTD Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Modular v02 Page 1 of 1 MODULAR APPROVAL LETTER (Product name) FCC ID : 2APDI-BCM-SQ400-AS, is seeking FCC Authorization as a Single Modular transmitter / Single Limited Modular Approval (Please check one) The EUT meets the requirements for Single Modular approval / Single Limited Modular Approval (please check one) as detailed in KDB 996369. Compliance to each of the requirements is described below: Modular Approval Requirement Yes No Please provide a detailed explanation if the answer is “No.” (i) The radio elements of the modular transmitter must have their own shielding. The physical crystal and tuning capacitors may be located external to the shielded radio elements. X (ii) The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with part 15 requirements under conditions of excessive data rates or over-modulation. X (iii) The modular transmitter must have its own power supply regulation. X (iv) The modular transmitter must comply with the antenna and transmission system requirements of §§ 15.203, 15.204(b) and 15.204(c). The antenna must either be permanently attached or employ a ‘‘unique’’ antenna coupler (at all connections between the module and the antenna, including the cable). The ‘‘professional installation’’ provision of § 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph (b) of this section. X (v) The modular transmitter must be tested in a stand-alone configuration X (vi) The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number. X (vii) The modular transmitter must comply with any specific rules or operating requirements that ordinarily apply to a complete transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. X (viii) The modular transmitter must comply with any applicable RF exposure requirements in its final configuration. X Client’s signature: Client’s name & title: SUNG GON KIM / CEO Contact information / address: 82-31-427-6034 / 1106, M-Techno Center, 46, Gongdan-ro 140 Beon-gil, Gunpo-si, Gyeonggi-do, 15847, Korea

FCC ID: 2APDI-BCM-SQ400-AS Page 1 of 4 Upper Lower FCC ID: 2APDI-BCM-SQ400-AS Page 2 of 4 Side 1 Side 2 FCC ID: 2APDI-BCM-SQ400-AS Page 3 of 4 Side 3 Side 4 FCC ID: 2APDI-BCM-SQ400-AS Page 4 of 4 Antenna

FCC ID: 2APDI-BCM-SQ400-AS Copyright Ⓒ 20, KRL Co., Ltd. SAMPLE LABEL & LOCATION BNCOM CO.LTD M/N: Bluetooth Module FCC ID: 2APDI-BCM-SQ400-AS 23

FCC ID: 2APDI-BCM-SQ400-AS Page 1 of 1 Main Board Front Main Board Rear

FCC ID: 2APDI-BCM-SQ400-AS * Maximum Permissible Exposure(MPE) 1. Applicable Standard 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 limit for maximum permissible exposure. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as a mobile device whereby a distance of 0.2m normally can be maintained between the user and the device. a) Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times |E| 2, |H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842/f 4.89/f (900/f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-10000 5 6 b) Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Times |E| 2, |H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 30 3.0-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-10000 1.0 30 Note : f=frequency in MHz *=Plane-wave equivalent power density FCC ID: 2APDI-BCM-SQ400-AS 2. MPE Calculation Method S = power density P = power input to antenna 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 Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 S = PG/4πR 2 3. Calculated Result and Limit Mode Frequency (MHz) Maximum conducted power Antenna Gain Distance Power Density Limit dBm mW dBi mW Cm mW/cm 2 mW/cm 2 Bluetooth BDR 1Mbps 2402 8.59 7.228 1.950 1.567 20 0.0023 1 2442 8.59 7.228 1.950 1.567 20 0.0023 1 2480 8.38 6.887 1.950 1.567 20 0.0021 1 Bluetooth EDR 2Mbps 2402 8.69 7.396 1.950 1.567 20 0.0023 1 2442 8.55 7.161 1.950 1.567 20 0.0022 1 2480 8.29 6.745 1.950 1.567 20 0.0021 1 Bluetooth EDR 3Mbps 2402 8.64 7.311 1.950 1.567 20 0.0023 1 2442 8.57 7.194 1.950 1.567 20 0.0022 1 2480 8.32 6.792 1.950 1.567 20 0.0021 1 Bluetooth LE 1Mbps 2402 5.45 3.508 1.950 1.567 20 0.0011 1 2442 5.23 3.334 1.950 1.567 20 0.0010 1 2480 4.92 3.105 1.950 1.567 20 0.0010 1

QCC3024 MX25U3232F 32MHz 9pF LFB182G45SG9A272 1ohm 1.5pF10pF 10nF 100nF 1uF 1uF 470nF 470nF 470nF 470nF 470nF 2.2uF 2.2uF 2.2uF 2.2uF 4.7uF4.7uF 1.2nH 2.2uF 4.7uH4.7uH 0ohm 0ohm 0ohm 1.5pF 1pF

2021.11.22 RA-N2103-31 APPROVAL SHEET MODEL : BCM-SQ400-AS Antenna layout Review Consent Approval Messrs. BnCOM Co.,Ltd RadiNa Co. ,Ltd TEL:+82-2-463-0373 FAX:+82-2-463-0374 PRODUCT APPROVAL SHEET GRBB21N22BT91 MODEL NAME BCM-SQ400-AS REV. 1.0 Page 2 / 10 RADINA. Co., LTD / CONFIDENTIAL This Document contains confidential and proprietary information, cannot discourse to third party without the prior written Authorization. Table of contents 1. Revision History 2. Product Information 2.1 General Features 2.2 Electrical Specifications 3. Pattern Specifications 4. Matching Network 5. Electrical Characteristics 5.1 VSWR 5.2 Smith Chart 5.3 3D-PLOT 5.4 2D-GAIN 6. Passive Measurement 7. Measurement Process 1. Revision History PRODUCT APPROVAL SHEET GRBB21N22BT91 MODEL NAME BCM-SQ400-AS REV. 1.0 Page 3 / 10 RADINA. Co., LTD / CONFIDENTIAL This Document contains confidential and proprietary information, cannot discourse to third party without the prior written Authorization. NO. Before After Reason Date 1 2 3 4 5 6 7 8 9 10 11 12 13 PRODUCT APPROVAL SHEET GRBB21N22BT91 MODEL NAME BCM-SQ400-AS REV. 1.0 Page 4 / 10 RADINA. Co., LTD / CONFIDENTIAL This Document contains confidential and proprietary information, cannot discourse to third party without the prior written Authorization. 2. Product Information 2.1 General Features PART NUMBER GradiANT ANTENNA TYPE PCB Pattern Antenna APPLICATIONS Bluetooth 2.2 Electrical Specifications Frequency Range1 (TX) 2400MHz~2485MHz Frequency Range1 (RX) 2400MHz~2485MHz IMPEDANCE 50  V.S.W.R TX 2400MHz 2485MHz 3↓ 3↓ RX 2400MHz 2485MHz 3↓ 3↓ RADIATION PATTERN Omni-directional POLARIZATION Linear PRODUCT APPROVAL SHEET GRBB21N22BT91 MODEL NAME BCM-SQ400-AS REV. 1.0 Page 5 / 10 RADINA. Co., LTD / CONFIDENTIAL This Document contains confidential and proprietary information, cannot discourse to third party without the prior written Authorization. 3. Pattern Specifications 4. Matching Network Capacitor value can be changed depending on different situation PRODUCT APPROVAL SHEET GRBB21N22BT91 MODEL NAME BCM-SQ400-AS REV. 1.0 Page 6 / 10 RADINA. Co., LTD / CONFIDENTIAL This Document contains confidential and proprietary information, cannot discourse to third party without the prior written Authorization. 5. Electrical Characterristics 5.1 VSWR 5.2 SMITH CHART PRODUCT APPROVAL SHEET GRBB21N22BT91 MODEL NAME BCM-SQ400-AS REV. 1.0 Page 7 / 10 RADINA. Co., LTD / CONFIDENTIAL This Document contains confidential and proprietary information, cannot discourse to third party without the prior written Authorization. 5.3 3D-PLOTs 5.4 2D-GAIN PRODUCT APPROVAL SHEET GRBB21N22BT91 MODEL NAME BCM-SQ400-AS REV. 1.0 Page 8 / 10 RADINA. Co., LTD / CONFIDENTIAL This Document contains confidential and proprietary information, cannot discourse to third party without the prior written Authorization. 6. Passive measurement 1 2 3 4 5 6 7 8 9 10 Frequency(MHz) 2400 2405 2410 2415 2420 2425 2430 2435 2440 2445 Efficiency(dB) -2.20 -2.10 -1.90 -1.61 -1.79 -1.62 -1.43 -1.34 -1.39 -1.29 Efficiency(%) 60.25 61.72 64.51 69.04 66.23 68.91 72.00 73.39 72.60 74.36 TRG(dB) -2.20 -2.10 -1.90 -1.61 -1.79 -1.62 -1.43 -1.34 -1.39 -1.29 TRG Theta (dB) -3.77 -3.62 -3.48 -3.16 -3.30 -3.20 -2.99 -2.83 -2.92 -2.88 TRG Phi (dB) -7.37 -7.39 -7.07 -6.83 -7.11 -6.77 -6.62 -6.73 -6.66 -6.41 UHRG(dB) -5.39 -5.34 -5.09 -4.79 -5.08 -4.84 -4.64 -4.65 -4.70 -4.50 UHRG/TRG(%) 47.96 47.37 47.98 48.03 46.83 47.59 47.70 46.68 46.64 47.68 H-Plane -2.17 -1.92 -1.91 -1.67 -1.72 -1.69 -1.50 -1.39 -1.51 -1.56 E1-Plane, AVG(dB) -5.42 -5.20 -5.15 -4.78 -4.94 -4.88 -4.74 -4.47 -4.51 -4.58 E2-Plane, AVG(dB) -3.76 -3.44 -3.31 -3.02 -3.05 -2.90 -2.98 -2.73 -2.82 -2.75 Peak Gain(dB) 1.20 1.31 1.21 1.82 1.68 1.42 1.91 1.75 1.70 1.95 Directivity(dB) 3.40 3.40 3.12 3.43 3.47 3.04 3.34 3.09 3.09 3.23 Minimum Gain(dB) -12.78 -11.30 -12.41 -10.95 -12.14 -12.05 -11.77 -10.91 -11.15 -11.34 11 12 13 14 15 16 17 18 19 20 Frequency(MHz) 2450 2455 2460 2465 2470 2475 2480 2485 2490 2497 Efficiency(dB) -1.38 -1.41 -1.37 -1.52 -1.66 -1.57 -1.85 -2.25 -2.18 -2.20 Efficiency(%) 72.83 72.28 72.91 70.54 68.21 69.70 65.30 59.56 60.49 60.21 TRG(dB) -1.38 -1.41 -1.37 -1.52 -1.66 -1.57 -1.85 -2.25 -2.18 -2.20 TRG Theta (dB) -2.91 -2.92 -2.96 -3.11 -3.21 -3.15 -3.45 -3.86 -3.78 -3.90 TRG Phi (dB) -6.63 -6.74 -6.50 -6.65 -6.89 -6.73 -6.96 -7.35 -7.29 -7.10 UHRG(dB) -4.64 -4.72 -4.63 -4.77 -4.96 -4.83 -5.12 -5.53 -5.51 -5.50 UHRG/TRG(%) 47.14 46.63 47.25 47.23 46.83 47.17 47.06 47.01 46.50 46.86 H-Plane -1.45 -1.61 -1.70 -1.82 -2.00 -1.81 -2.36 -2.74 -2.78 -2.98 E1-Plane, AVG(dB) -4.56 -4.57 -4.74 -4.88 -4.97 -4.77 -5.09 -5.76 -5.41 -5.50 E2-Plane, AVG(dB) -2.86 -2.79 -2.82 -3.00 -3.15 -3.03 -3.32 -3.67 -3.60 -3.73 Peak Gain(dB) 1.74 1.56 1.82 1.48 1.36 1.53 0.91 0.79 0.72 0.32 Directivity(dB) 3.12 2.96 3.19 2.99 3.02 3.09 2.76 3.04 2.90 2.52 Minimum Gain(dB) -11.30 -11.01 -10.88 -11.66 -12.22 -11.70 -12.86 -13.31 -14.58 -12.50 Average Efficiency -1.69dBi, 67.75% Peak Gain 1.95dBi, PRODUCT APPROVAL SHEET GRBB21N22BT91 MODEL NAME BCM-SQ400-AS REV. 1.0 Page 9 / 10 RADINA. Co., LTD / CONFIDENTIAL This Document contains confidential and proprietary information, cannot discourse to third party without the prior written Authorization. 7. Measurement Process 7.1 SWR / Return loss Set Condition Network Analyzer Agilent 8753ES Cable Semi-ridid (40mm, 60mm) Test condition 7.2 Gain Antenna gain is measured in the anechoic chamber of this company. Anechoic Chamber for Antenna Gain Measurement PRODUCT APPROVAL SHEET GRBB21N22BT91 MODEL NAME BCM-SQ400-AS REV. 1.0 Page 10 / 10 RADINA. Co., LTD / CONFIDENTIAL This Document contains confidential and proprietary information, cannot discourse to third party without the prior written Authorization. 7.3 Gain test block diagram Active test Sysetm - TRP, NHPRP,UHRP - TIS, NHPIS, UHIS - Relative Sensitivity Passiver test Sysetm - Efficiency - Peak Gain, Avg, Gain - Min, Max PWR

KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Report No.: KES-RF-23T0030 Page ( 1 ) of ( 56 ) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP16-F01(00-23-01-01) KES A4 Te s t R e p o r t Part 15 & RSS-247 (Issue 2) Equipment under test Bluetooth module Model name BCM-SQ400-AS FCC ID 2APDI-BCM-SQ400-AS IC Certification No 8738A-BCMSQ400AS Applicant BNCOM CO.LTD Manufacturer BNCOM CO.LTD Date of test(s) 2023.02.01 ~ 2023.02.10 Date of issue 2023.02.10 Issued to BNCOM CO.LTD #1106, M-Techno Center, 46, Gongdan-ro 140 beon-gil, Gunpo-si, Gyeonggi-do, Republic of Korea. Tel: +82-31-893-1540 Fax : +82-31-893-1541 Issued by KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea 473-21, Gayeo-ro, Yeoju-si, Gyeonggi-do, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 Test and report completed by : Report approval by : Do-won, Ahn Test engineer Young-Jin Lee Technical manager This test report is not related to KS Q ISO/IEC 17025 and KOLAS. KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Report No.: KES-RF-23T0030 Page ( 2 ) of ( 56 ) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP16-F01(00-23-01-01) KES A4 Revision history Revision Date of issue Test report No. Description - 2023.02.10 KES-RF-23T0030 Initial KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Report No.: KES-RF-23T0030 Page ( 3 ) of ( 56 ) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP16-F01(00-23-01-01) KES A4 TABLE OF CONTENTS 1. General information ..................................................................................................... 4 1.1. EUT description .............................................................................................................. 4 1.2. Requirements for Bluetooth transmitter ......................................................................... 5 1.3. Test configuration ........................................................................................................... 6 1.4. Information about derivative model ............................................................................... 6 1.5. Accessory information .................................................................................................... 6 1.6. Sample calculation .......................................................................................................... 6 1.7. Measurement Uncertainty ............................................................................................... 6 1.8. Frequency/channel operations ........................................................................................ 7 2. Summary of tests ........................................................................................................ 8 3. Test results ............................................................................................................... 9 3.1. 99% Occupied Bandwidth .............................................................................................. 9 3.2. 20 ㏈ bandwidth ......................................................................................................... 14 3.3. Output power ................................................................................................................ 18 3.4. Carrier frequency separation ......................................................................................... 20 3.5. Number of hopping frequency ........................................................................................ 22 3.6. Time of occupancy ........................................................................................................ 24 3.7. Radiated restricted band and emissions ........................................................................ 28 3.8. Conducted band edge and out of band emissions ......................................................... 49 3.8. AC conducted emissions ............................................................................................... 53 Appendix A. Measurement equipment .................................................................................. 55 Appendix B. Test setup photo ............................................................................................ 56 KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Report No.: KES-RF-23T0030 Page ( 4 ) of ( 56 ) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP16-F01(00-23-01-01) KES A4 1. General information Applicant: BNCOM CO.LTD Applicant address: #1106, M-Techno Center, 46, Gongdan-ro 140 beon-gil, Gunpo-si, Gyeonggi-do, Republic of Korea. Test site: KES Co., Ltd. Test site address: 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea 473-21, Gayeo-ro, Yeoj…

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KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Appendix B. Test setup photo Radiated emissions Conducted emissions N/A