2BS73-BBAudio/Video sync box

avs-man02 User manual Brainbox Date: 2026-06-22 Version: 1.1 1. Intended Use...............................................................................................................................................2 2. Safety Information......................................................................................................................................2 2.1 General Safety......................................................................................................................................2 2.2 Power adapter safety..........................................................................................................................2 2.3 Disposal and Recycling........................................................................................................................2 3. Regulatory and Licensing Information....................................................................................................3 3.1 FCC Compliance Statement (United States).....................................................................................3 3.2 ISED Compliance Statement (Canada)..............................................................................................3 3.3 RF Exposure Information....................................................................................................................4 4. Certifications...............................................................................................................................................5 4.1 Certification Details..............................................................................................................................5 4.1.1 Europe (CE).................................................................................................................................5 4.1.2 United Kingdom (CE).................................................................................................................5 4.1.3 United States (FCC)...................................................................................................................5 4.1.4 Canada (ISED).............................................................................................................................5 4.1.5 International Safety (IECEE CB Scheme)................................................................................5 4.2 Contained Transmitters......................................................................................................................5 4.3 Responsible Party Information..........................................................................................................6 avs-man02 1. Intended Use The Brainbox serves for two purposes: •Communication device relaying AV-Signals to Bluetooth for synchronised audio playback •Function as a Wi-Fi gateway for Bluetooth devices to access the internet UseDescription MountingTabletop or wall mounted PowerUSB-C connection (5V) Temperature range0–45°C Altitude2000 m or less 2. Safety Information Please read all safety instructions carefully before using this product. Retain these instructions for future reference. 2.1 General Safety •Use this product only for its intended purpose as described in this manual. •Do not use this product if it appears damaged or malfunctions. •Keep the product away from liquids and moisture unless otherwise specified. •Do not attempt to repair or modify this product yourself. Contact Guide-ID for service. 2.2 Power adapter safety •Use only the provided charger. Using incompatible chargers may damage the device and void the warranty. 2.3 Disposal and Recycling This product contains electronic components that require special disposal: •Do not dispose of this product in household waste. The product must be disposed of separately from general waste in accordance with local regulations. •Return the product to Guide-ID for proper disposal. 2 avs-man02 3. Regulatory and Licensing Information 3.1 FCC Compliance Statement (United States) This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: •This device may not cause harmful interference. •This device must accept any interference received, including interference that may cause undesired operation. FCC Class B Digital Device Notice 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. Caution: Changes or modifications to this equipment not expressly approved by Guide-ID could void the user's authority to operate the equipment. 3.2 ISED Compliance Statement (Canada) English: 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: •This device may not cause interference. 3 avs-man02 •This device must accept any interference, including interference that may cause undesired operation of the device. Français: Cet appareil co…

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1 Guide ID B.V. Leeuwenbrug 117 7411 TH Deventer The Netherlands Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA January 27, 2026 Attestation Statement according to 2.911(d)(5)(i) and 2.911(d)(5)(ii) FCC IDs: 2BS73-BB, 2BS73-BC, 2BS73-BL, 2BS73-BP, 2BS73-PP TO WHOM IT MAY CONCERN: Hereby we certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Further we certify that, as of the date of the filing of the application, Guide ID B.V. is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, _______________ Guide ID B.V. FCC Registration Number(FRN): 0037659810 Leeuwenbrug 117 7411 TH Deventer The Netherlands +31570572202 [email protected]

1 Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA January 27, 2026 CONFIDENTIALITY REQUEST for Certification Service in USA TO WHOM IT MAY CONCERN: Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b) (4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID 2BS73-BB 2BS73-BC 2BS73-BL 2BS73-BP 2BS73-PP Model Brainbox Basecamp Beacon Lite Beacon Pro Podcatcher Pro For the product stated above, we request that the following information be held confidential: The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. Exhibits Long-Term Confidentiality Short-Term Confidentiality External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Description 2 If you have any questions, please feel free to contact me at the address shown below. Sincerely, _______________ Frits Polman / CEO Guide ID B.V. Leeuwenbrug 117 7411 TH Deventer The Netherlands +31570572202 [email protected]

Annex A101 - Photographs No. 1-0243-25-01-01_TR1-A101-R01 October 29, 2025 DescriptionExternal photos of EUT This document is electronically signed and valid without handwritten signature. Public keys for verifcation of the electronic signatures can be requested at the testing laboratory. Andreas Curette Lab Manager Radio Labs authorized by cetecom advanced GmbH Untertuerkheimer Str. 6-10, 66117 Saarbruecken Document No. 1-0243-25-01-01_TR1-A101-R01 Page 1 of 6 Photo 1 Photo 2 cetecom advanced GmbH Untertuerkheimer Str. 6-10, 66117 Saarbruecken Document No. 1-0243-25-01-01_TR1-A101-R01 Page 2 of 6 Photo 3 Photo 4 cetecom advanced GmbH Untertuerkheimer Str. 6-10, 66117 Saarbruecken Document No. 1-0243-25-01-01_TR1-A101-R01 Page 3 of 6 Photo 5 Photo 6 cetecom advanced GmbH Untertuerkheimer Str. 6-10, 66117 Saarbruecken Document No. 1-0243-25-01-01_TR1-A101-R01 Page 4 of 6 Photo 7 cetecom advanced GmbH Untertuerkheimer Str. 6-10, 66117 Saarbruecken Document No. 1-0243-25-01-01_TR1-A101-R01 Page 5 of 6 Document History End of document ReleaseApplied changesRelease date R01initial releaseOctober 29, 2025 cetecom advanced GmbH Untertuerkheimer Str. 6-10, 66117 Saarbruecken Document No. 1-0243-25-01-01_TR1-A101-R01 Page 6 of 6

Annex A102 - Photographs No. 1-0243-25-01-01_TR1-A102-R01 October 29, 2025 DescriptionInternal photos of EUT This document is electronically signed and valid without handwritten signature. Public keys for verifcation of the electronic signatures can be requested at the testing laboratory. Andreas Curette Lab Manager Radio Labs authorized by cetecom advanced GmbH Untertuerkheimer Str. 6-10, 66117 Saarbruecken Document No. 1-0243-25-01-01_TR1-A102-R01 Page 1 of 4 Photo 1 Photo 2 cetecom advanced GmbH Untertuerkheimer Str. 6-10, 66117 Saarbruecken Document No. 1-0243-25-01-01_TR1-A102-R01 Page 2 of 4 Photo 3 cetecom advanced GmbH Untertuerkheimer Str. 6-10, 66117 Saarbruecken Document No. 1-0243-25-01-01_TR1-A102-R01 Page 3 of 4 Document History End of document ReleaseApplied changesRelease date R01initial releaseOctober 29, 2025 cetecom advanced GmbH Untertuerkheimer Str. 6-10, 66117 Saarbruecken Document No. 1-0243-25-01-01_TR1-A102-R01 Page 4 of 4

© cetecom advanced GmbH Page 1 of 9 TEST REPORT Test report no.: 1-0243-25-02-04_TR1-R01 RF Exposure consideration according to FCC447498D04 V1 Testing laboratory Applicant cetecom advanced GmbH Untertuerkheimer Strasse 6 – 10 66117 Saarbruecken / Germany Phone: + 49 681 5 98 - 0 Fax: + 49 681 5 98 - 9075 Internet: https://cetecomadvanced.com e-mail: [email protected] Accredited Testing Laboratory: The testing laboratory (area of testing) is accredited according to DIN EN ISO/IEC 17025 (2018-03) by the Deutsche Akkreditierungsstelle GmbH (DAkkS). The accreditation is valid for the scope of testing procedures as stated in the accreditation certificate with the registration number: D-PL-12047-01-00. ISED Testing Laboratory Recognized Listing Number: DE0001 FCC designation number: DE0002 Guide ID BV Leeuwenbrug 117 7411 TH Deventer / NETHERLANDS Phone: -/- Contact: Richard Hup e-mail: [email protected] Manufacturer Guide ID BV Leeuwenbrug 117 7411 TH Deventer / NETHERLANDS Test Item Kind of test item: Audio Guide Model name: Brainbox FCC ID: 2BS73-BB Frequency: 2.4 GHz Technology: Bluetooth ® LE, WLAN This test report is electronically signed and valid without handwritten signature. For verification of the electronic signatures, the public keys can be requested at the testing laboratory. Test report authorized: Test performed: Alexander Hnatovskiy Eric Tuettmann Lab Manager Testing Manager Radio Labs Radio Labs Test report no.: 1-0243-25-02-04_TR1-R01 © cetecom advanced GmbH Page 2 of 9 1 Table of contents 1 Table of contents ............................................................................................................................................. 2 2 General Information ......................................................................................................................................... 3 2.1 Notes and Disclaimer ............................................................................................................................ 3 2.2 References ............................................................................................................................................ 3 3 General RF Exposure Test Exemptions ............................................................................................................ 4 3.1 MPE-Based Test Exemption ................................................................................................................. 5 3.2 Simultaneous Transmission ............................................................................................................... 5 4 MPE-Based Test Exemption ............................................................................................................................ 6 4.1 Detailed Description .............................................................................................................................. 6 4.2 Results ................................................................................................................................................... 7 5 Simultaneous Transmission ............................................................................................................................ 8 5.1 Detailed Description .............................................................................................................................. 8 5.2 Result..................................................................................................................................................... 9 6 Conclusion ........................................................................................................................................................ 9 Test report no.: 1-0243-25-02-04_TR1-R01 © cetecom advanced GmbH Page 3 of 9 2 General Information 2.1 Notes and Disclaimer The test results of this test report relate exclusively to the test item specified in this test report. cetecom advanced GmbH does not assume responsibility for any conclusions and generalizations drawn from the test results with regard to other specimens or samples of the type of the equipment represented by the test item. The test report may only be reproduced or published in full. Reproduction or publication of extracts from the report requires the prior written approval of cetecom advanced GmbH. The testing service provided by cetecom advanced GmbH has been rendered under the current "General Terms and Conditions for cetecom advanced GmbH". cetecom advanced GmbH will not be liable for any loss or damage resulting from false, inaccurate, inappropriate or incomplete product information provided by the customer. Under no circumstances does the cetecom advanced GmbH test report include any endorsement or warranty regarding the functionality, quality or performance of any other product or service provided. Under no circumstances does the cetecom advanced GmbH test report include or imply any product or service warranties from cetecom advanced GmbH, including, without limitation, any implied warranties of merchantability, fitness for purpose, or non-infringement, all of which are expressly disclaimed by cetecom advanced GmbH. All rights and remedies regarding vendor’s products and services for which cetecom advanced GmbH has prepared this test report shall be provided by the party offering such products or services and not by cetecom advanced GmbH. In no case this test report can be considered as a Letter of Approval. This test report is electronically signed and valid without handwritten signature. For verification of the electronic signatures, the public keys can be requested at the testing laboratory. 2.2 References Guidance Version Description 47 CFR 1.1307 Actions that may have a significant environmental effect, for which Environmental Assessments (EAs) must be prepared. 47 CFR 2.1091 Radiofrequency radiation exposure evaluation: mobile devices. 47 CFR 2.1093 Radiofrequency radiation exposure evaluation: porta…

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avs-inf02 Antenna Description Brainbox Date: 2026-03-05 Version: 1.0 1 Antenna overview....................................................................................................................2 2 Antenna Details........................................................................................................................2 2.1 Bluetooth Low Energy....................................................................................................2 2.2 Wi-Fi...................................................................................................................................5 2.2.1 Embedded Module Antenna..................................................................................5 2.2.2 Connectorized SMA coaxial whip dipole..............................................................5 avs-inf02 1 Antenna overview The Brainbox contains these transmitters for which antenna details are provided here: •Bluetooth Low Energy (BLE) •Wi-Fi 2 Antenna Details 2.1 Bluetooth Low Energy For Bluetooth Low Energy the Brainbox uses an integrated ZOR PCB antenna. The following antenna gain measurements were taken as part of the certification testing. More details can be found in the test report (1-0243-25-02-02_TR1-R01). Frequency (MHz)Antenna Gain (dBi) 24021.2 2440-0.9 2480-3.2 The original reference design utilises a 1.6 mm substrate. All measurements and specifications provided hereafter are those provided with the reference design. 2 avs-inf02 Bluetooth Antenna PCB layout: Return loss vs frequency plot: 3 avs-inf02 Horizontal Radiation Pattern: Vertical radiation pattern: 4 avs-inf02 2.2 Wi-Fi The Brainbox has two RF ports to allow antenna diversity using an internal switch: •Certified Embedded Module Antenna with an external loop •Certified Connectorized SMA coaxial whip dipole of max gain 4.7 dBi 2.2.1 Embedded Module Antenna The WFM200S SiP module contains a certified Embedded Module Antenna with an external loop. No additional information about it is available. 2.2.2 Connectorized SMA coaxial whip dipole The module is certified for use with a connectorized SMA coaxial whip dipole of max gain 4.7 dBi. Example below (Pulse Electronics W1038). Antenna gain: 4.7dBi (Refer to certification testing report 1-0243-25-01-03_TR1-R01) 5

TEST REPORT Test report no.: 1-0243-25-02-03_TR1-R01 Testing laboratory Applicant cetecom advanced GmbH Untertuerkheimer Strasse 6 – 10 66117 Saarbruecken / Germany Phone: + 49 681 5 98 - 0 Fax: + 49 681 5 98 - 9075 Internet: https://cetecomadvanced.com e-mail: [email protected] Accredited Testing Laboratory: The testing laboratory (area of testing) is accredited according to DIN EN ISO/IEC 17025 (2018-03) by the Deutsche Akkreditierungsstelle GmbH (DAkkS). The accreditation is valid for the scope of testing procedures as stated in the accreditation certificate with the registration number: D-PL-12047-01-00. ISED Testing Laboratory Recognized Listing Number: DE0001 FCC designation number: DE0002 Guide ID BV Leeuwenbrug 117 7411 TH Deventer / NETHERLANDS Phone: -/- Contact: Richard Hup e-mail: [email protected] Manufacturer Guide ID BV Leeuwenbrug 117 7411 TH Deventer / NETHERLANDS Test standard/s FCC - Title 47 CFR Part 15 FCC - Title 47 of the Code of Federal Regulations; Chapter I; Part 15 - Radio frequency devices RSS - 247 Issue 4 Digital Transmission Systems, Frequency Hopping Systems and Licence-Exempt Local Area Network Devices in 902-928 MHz, 2400-2483.5 MHz, 5150-5350 MHz, and 5470-5895 MHz bands For further applied test standards please refer to section 3 of this test report. Test Item Kind of test item: Audio/Video sync box Model name: Brainbox FCC ID: Contains FCC ID: QOQWFM200 ISED certification number: Contains IC: 5123A-WFM200 Frequency: 2400 MHz to 2483.5 MHz Technology tested: WLAN Antenna: Integrated antenna Power supply: 5.0 V DC by USB interface Temperature range: 0°C to +45°C This test report is electronically signed and valid without handwritten signature. For verification of the electronic signatures, the public keys can be requested at the testing laboratory. Test report authorized: Test performed: Michael Dorongovski Andreas Curette Lab Manager Lab Manager Radio Labs Radio Labs Test report no.: 1-0243-25-02-03_TR1-R01 © cetecom advanced GmbH Page 2 of 20 1 Table of contents 1 Table of contents ....................................................................................................................................... 2 2 General information ................................................................................................................................... 3 2.1 Notes and disclaimer ...................................................................................................................... 3 2.2 Application details .......................................................................................................................... 3 2.3 Test laboratories sub-contracted .................................................................................................... 3 3 Test standard/s, references and accreditations ......................................................................................... 4 4 Reporting statements of conformity – decision rule .................................................................................. 5 5 Test environment ...................................................................................................................................... 6 6 Test item ................................................................................................................................................... 6 6.1 General description ......................................................................................................................... 6 6.2 Additional information .................................................................................................................... 6 7 Sequence of testing ................................................................................................................................... 7 7.1 Sequence of testing radiated spurious 1 GHz to 18 GHz ................................................................. 7 8 Description of the test setup ...................................................................................................................... 8 8.1 Shielded fully anechoic chamber ..................................................................................................... 9 9 Measurement uncertainty ........................................................................................................................ 10 10 Summary of measurement results ....................................................................................................... 11 11 Additional information and comments ................................................................................................. 12 12 Additional EUT parameter .................................................................................................................... 13 13 Measurement results ........................................................................................................................... 14 13.1 Band edge compliance radiated ................................................................................................. 14 13.2 Spurious emissions radiated above 1 GHz ................................................................................. 16 14 Observations ........................................................................................................................................ 18 15 Glossary ............................................................................................................................................... 19 16 Document history ................................................................................................................................. 20 Test report no.: 1-0243-25-02-03_TR1-R01 © cetecom advanced GmbH Page 3 of 20 2 General information 2.1 Notes and disclaimer The test results of this test report relate exclusively to the test item specified in this test report. cetecom advanced GmbH does not assume responsi…

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TEST REPORT Test report no.: 1-0243-25-02-02_TR1-R01 Testing laboratory Applicant cetecom advanced GmbH Untertuerkheimer Strasse 6 – 10 66117 Saarbruecken / Germany Phone: + 49 681 5 98 - 0 Fax: + 49 681 5 98 - 9075 Internet: https://cetecomadvanced.com e-mail: [email protected] Accredited Testing Laboratory: The testing laboratory (area of testing) is accredited according to DIN EN ISO/IEC 17025 (2018-03) by the Deutsche Akkreditierungsstelle GmbH (DAkkS). The accreditation is valid for the scope of testing procedures as stated in the accreditation certificate with the registration number: D-PL-12047-01-00. ISED Testing Laboratory Recognized Listing Number: DE0001 FCC designation number: DE0002 Guide ID BV Leeuwenbrug 117 7411 TH Deventer / NETHERLANDS Phone: -/- Contact: Richard Hup e-mail: [email protected] Manufacturer Guide ID BV Leeuwenbrug 117 7411 TH Deventer / NETHERLANDS Test standard/s FCC - Title 47 CFR Part 15 FCC - Title 47 of the Code of Federal Regulations; Chapter I; Part 15 - Radio frequency devices RSS - 247 Issue 4 Digital Transmission Systems, Frequency Hopping Systems and Licence-Exempt Local Area Network Devices in 902-928 MHz, 2400-2483.5 MHz, 5150-5350 MHz, and 5470-5895 MHz bands For further applied test standards please refer to section 3 of this test report. Test Item Kind of test item: Audio Guide Model name: Brainbox FCC ID: 2BS73-BB ISED certification number: 34863-BB Frequency: 2400 MHz to 2483.5 MHz Technology tested: Bluetooth ® LE Antenna: Integrated antenna Power supply: 4.75 V to 5.25 V DC by USB interface Temperature range: 0°C to +45°C This test report is electronically signed and valid without handwritten signature. For verification of the electronic signatures, the public keys can be requested at the testing laboratory. Test report authorized: Test performed: On behalf of On behalf of Marco Bertolino Andreas Curette Supervisor Radio Services Lab Manager Radio Labs Radio Labs Test report no.: 1-0243-25-02-02_TR1-R01 © cetecom advanced GmbH Page 2 of 41 1 Table of contents 1 Table of contents .................................................................................................................................... 2 2 General information ................................................................................................................................ 3 2.1 Notes and disclaimer .................................................................................................................... 3 2.2 Application details ........................................................................................................................ 3 2.3 Test laboratories sub-contracted .................................................................................................. 3 3 Test standard/s, references and accreditations ....................................................................................... 4 4 Reporting statements of conformity – decision rule ................................................................................ 5 5 Test environment.................................................................................................................................... 6 6 Test item ................................................................................................................................................ 6 6.1 General description ...................................................................................................................... 6 6.2 Additional information .................................................................................................................. 6 7 Sequence of testing ................................................................................................................................ 7 7.1 Sequence of testing radiated spurious 9 kHz to 30 MHz ................................................................ 7 7.2 Sequence of testing radiated spurious 30 MHz to 1 GHz ............................................................... 8 7.3 Sequence of testing radiated spurious 1 GHz to 18 GHz ................................................................ 9 7.4 Sequence of testing radiated spurious above 18 GHz .................................................................. 10 8 Description of the test setup ................................................................................................................. 11 8.1 Shielded semi anechoic chamber ................................................................................................ 12 8.2 Shielded fully anechoic chamber ................................................................................................ 13 8.3 Radiated measurements > 18 GHz .............................................................................................. 14 8.4 Conducted measurements Bluetooth system .............................................................................. 15 8.5 AC conducted ............................................................................................................................. 16 9 Measurement uncertainty ..................................................................................................................... 17 10 Summary of measurement results ..................................................................................................... 18 11 Additional c…

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