2A9H6-PETA1Wifi module

wifimodulespecification Revisionrecord dateedition DescriptionOn Reviser 2022-11-30 V1.0 Initialversion james 2 catalog HB55modulespecification ................................................................................................................ 1 1. Productoverview ........................................................................................................... 3 1.1. characteristic ............................................................................................... 3 1.2. application ....................................................................................................... 3 2. Productspecifications ............................................................................................... 4 3. Electricalspecifications ...................................................................................... 4 3.1. DCcharacteristics ......................................................................................................... 4 3.2. powerwaste ........................................................................................................................ 4 3.3. RFcharacteristics ......................................................................................................... 5 3.3.1.Transmitterperformance ..................................................................................... 5 3.3.2.Receiverperformance ......................................................................................... 5 4. Pindefinition .............................................................................................................................. 6 5. ModuleSize .................................................................................................................................... 7 5.1.Packagesize ...................................................................................................................... 7 5.2. Layoutsize ........................................................................................................................ 7 6. Referencedesignofexternalantenna .................................................................................... 8 7.ReferencedesignofUSBinterface ...................................................................................... 9 8.reflowprofile ............................................................................................................................ 10 3 1.Productoverview TheHB55_V0.1isa2.4GHz802.11nproduct.withaudioperipheralsand imagesensorinterface.withafull802.11b/g/naudio/video.withsupport forbothAPandSTAapplications. 1.1.characteristic 802.11b/g/n1x1compliant 20/40MHzbandwidthandSTBC WorkingmodeSTA,AP,Direct APandSTArolesimultaneously 32-bitMCUupto180MHz 50MHzSDIOinterface DualI2Cinterface DualhighspeedUARTwithflowcontrolcapability OnechannelaudioADC CMOSsensor8-bitDVP SupportAES/RSA/SHA 1.2. application MiniDV WiFiendoscope Toyplane 4 2. Productspecifications Model HB55_V0.1 ProductName 2.4GHz802.11nModule MajorChipset BK7252 Standard802.11b/g/n DataTransferRate Upto54Mbps ModulationMethod DSSS/OFDM/HT40/HT20/STBC FrequencyBand 2.4GHzISMBand SpreadSpectrum IEEE802.11b:DSSS (DirectSequenceSpreadSpectrum)IEEE802.11g/n:OFDM (OrthogonalFrequencyDivisionMultiplexing) OperationMode InfrastructureSSID OperatingChannel 1~11 Security AES,RSA,SHA OperatingTemperature-20~85。CAmbientTemperature Dimension 3.Electricalspecifications 3.1.DCcharacteristics Symbol Parameter Minimum Typical Maximum Units VBAT VBATSupplyVoltage 3.554.2 V DC-5V DC_5V-Input 4.0 - 5.0V 3.2. powerwaste Thefollowingpowerconsumptiondataisbasedon3.3Vpowersupply,25C ambienttemperature,completedattheRFinterface.Alltransmitteddataaremeasuredbased on100%dutycycle,andtheCPUrunsat180mhz. 5 RFpowerconsumption Workingmode describe Peakvalue (MA) Active(VBATMode) TX 17dBm,802.11b,11Mbps 230 14dBm,802.11g,54Mbps 200 RX -10dBminput,802.11g54Mbps 104 -10dBminput,802.11nHT40MCS7 124 3.3.RFcharacteristics 3.3.1.Transmitterperformance parameter condition Typicalva lue(DBM) outputpower 54MbpsOFDM 15 11MbpsDSSS 19 3.3.2.Receiverperformance parameter condition Typicalvalue (DBM) Receiving sensitivity HT40MCS7 -69 HT20MCS7 -71 54MbpsOFDM-75 6MbpsOFDM-92 11MbpsDSSS-90 2MbpsDSSS-94 6 4.Pindefinition Serialnum ber Pinname Pintype Functiondescription 1 GNDGROUND Grounding 2VBAT VBAT Powerinput 3DC_5V-InputDC-5VPOWER DCpowerinput 4 GND GROUND Grounding 5 DC_5V-Input DC-5VPOWER DC5VinputUSB 6 RX UARTRX UARTReceiver 7 TX UARTTX UARTTransmitter 1 2 3 4 5 6 7 5.ModuleSize 5.1.Packagesize 8 6.Referencedesignofexternalantenna TheRFportofBK7252isant DuringPCBlayout,attentionshouldbepaidto: (1)Iftheantisfarawayfromtheantenna, itisrecommendedtoreservetwoπcircuitsonPCBtomatchantandantenna respectively; (2)WhenPCBlayout,ifPCBspaceconstraintsleadtopowerfilter/crystaloscillator /resetcircuitlayoutconflict,itisrecommendedtogivepriorityto antennalayout;Whenthelayoutofantennaandmoduleiscompact,firstly,thematching linkcanbesaved;Secondly,thelossofRFsignalcanbereduced,soasto improvetheperformanceofairinterface; (3) TheRFsignallineshouldbeasshortaspossible.Thecontrolimpedanceis50R.Both sidesofthewiringarecoveredwithgroundandmoregroundholesaredrilled. Thebottomandthebottomofthechipensurethecompletegroundplane, sothattheRFreferencegroundandthechipmaingroundarewellconnected. 9 8.reflowprofile 11 FCC WARNING 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 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 and its antenna(s) must not be co-located or operating in conjunction with any other antenna or transmitter. 15.105 Informatio…

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< BROADWATCH Co., Ltd.> Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 Company name: BROADWATCH Co., Ltd. FCC ID: 2A9H6-PETA1 Gentlemen, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 ‘Module Certification Guide v02’. FCC ID: 2A9H6-PETA1 has been examined against the following requirements. Items to be covered by Single modular transmitters. Requirement per 15.212 and KDB 996369 D01 ‘Modular Certification Guide v02 Explanation from Grantee (do not write yes/no, but explain why product complies/how it is achieved) 1. The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly The modular have the radio frequency circuitry shielded 2. The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal All modulation and data inputs are buffered by circuitry on the transmitter chip ESP32, as is shown in the schematic. 3. The module must contain power supply regulation on the module Power supply regulation is provided by circuitry on the transmitter chip ESP32, as is shown in the schematic. 4. The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) EUT module contain a permanently attached antenna. Please reference the exhibition Test Report. 5. The module must demonstrate compliance in a stand- alone configuration Please reference exhibition Test Configuration Photo for the stand-alone test configuration. 6. The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) The instruction on the labelling rule of the end product has been stated in the Users manual of this module. Please also see the exhibition Label Sample. 7. The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee The required FCC rule has been fulfilled and all the instructions for maintaining compliance has been clearly stated in the Users Manual. 8. The module must comply with RF exposure requirements Please refer exhibition RF Exposure for the compliance of MPE RF exposure rule. Name: Kenji Osako Title: Manager Signature of applicant Date: 2022.11.29

BROADWATCH Co., Ltd. (2022.11.29) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Wifi module / PETA-PCB-TF-VGA / FCC ID: 2A9H6-PETA1 ) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: Kenji Osako Title: Manager

BROADWATCH Co., Ltd. (2022.11.29) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Kenji Osako Title: Manager

External Photos

Label Location Model: PETA-PCB-TF-VGA FCC ID: 2A9H6-PETA1

Internal Photos ANT

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2A9H6-PETA1 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), 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 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 Time |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 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz 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 Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: 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,R=20cm Test Result of RF Exposure Evaluation Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result 2.4G WIFI 802.11b&2 437 14±1 15 31.6228 1.5849 (2dBi) 0.00998 1 Pass

Approval sheet Page 1 of 12 ASC_RFECA3216060A1T_V09 Aug. 2018 RFECA Series – RoHS Compliance CERAMIC ANTENNA Halogens Free Product 2.4 GHz ISM Band RF Application P/N: RFECA3216060A1T *Contents in this sheet are subject to change without prior notice. Approval sheet Page 2 of 12 ASC_RFECA3216060A1T_V09 Aug. 2018 FEATURES 1. Surface Mounted Devices with a small dimension of 3.2 X 1.6 X 0.6 mm 3 meet future miniaturization trend. 2. LTCC process. 3. High stability in Temperature / Humidity Change. 4. Superb performance to place on the middle of PCB edge and excellent peak/ average gain observed by field test application. APPLICATIONS 1. ISM Band 2.4GHz applications. 2. Bluetooth.. CONSTRUCTION DIMENSIONS Figure Symbol Dimension (mm) L 3.10 ± 0.20 W 1.60 ± 0.20 T 0.60 ± 0.10 A 0.25 ± 0.20 PINConnection 1 Feeding 2 Soldering terminal Approval sheet Page 3 of 12 ASC_RFECA3216060A1T_V09 Aug. 2018 SOLDER LAND PATTERN DESIGN Type-1: Empty Space 8.0mm x 3.0 mm Figure (Empty Space 8.0 mm x 3.0 mm) The limited size for ECA3216 is L>30mm and D>6mm Land Pattern TYPE-1 TEST BOARD ELECTRONIC CHARACTERISTICS *Note 1. Central Frequency should be defined after customers’ application approval. Item Specification Working Frequency Range 2.4GHz~2.4835GHz (Note-1) Gain 2 dBi (Typical) VSWR 2.0 max. Polarization Linear Azimuth Beamwidth Omni-directional Impedance 50 Power Capacity 3 W max. Maximum Input Power 5 Watts for 5 minutes Approval sheet Page 4 of 12 ASC_RFECA3216060A1T_V09 Aug. 2018 Type-2: Empty Space 6.3mm x 4.0 mm Figure (Empty Space 6.3 mm x 4.0 mm) The limited size for ECA3216 is L>30mm and D>6mm Land Pattern TYPE-2 TEST BOARD ELECTRONIC CHARACTERISTICS *Note 1. Central Frequency should be defined after customers’ application approval. Item Specification Working Frequency Range 2.4GHz~2.4835GHz (Note-1) Gain 2 dBi (Typical) VSWR 2.0 max. Polarization Linear Azimuth Beamwidth Omni-directional Impedance 50 Power Capacity 3 W max. Maximum Input Power 5 Watts for 5 minutes Approval sheet Page 5 of 12 ASC_RFECA3216060A1T_V09 Aug. 2018 Antenna on Type-1 Test Board ( Empty Space 8x3 mm &Thick ness 0.8mm) Antenna S11 on Type-1 Test Board Antenna VSWR on Type-1 Test Board 1.782 @ 2.40 GHz 1.328 @ 2.45 GHz 1.816 @ 2.50 GHz -11.0208 dB @ 2.40 GHz -17.0222 dB @ 2.45 GHz -10.7612 dB @ 2.50 GHz Approval sheet Page 6 of 12 ASC_RFECA3216060A1T_V09 Aug. 2018 Antenna on Type-2 Test Board ( Empty Space 6.3x4 mm &Thick ness 0.8mm) Antenna S11 on Type-2 Test Board Antenna VSWR on Type-2 Test Board 1.453 @ 2.40 GHz 1.216 @ 2.45 GHz 1.732 @ 2.50 GHz -14.6741 dB @ 2.40 GHz -20.2120 dB @ 2.45 GHz -11.4374 dB @ 2.50 GHz Approval sheet Page 7 of 12 ASC_RFECA3216060A1T_V09 Aug. 2018 RADIATION PATTERN Radiation Pattern and Gain were dependent on measurement board design. The specification of RFECA3216060A1T antenna was measured based on the PCB size and installation position as shown in the below figure Test Board. Antenna on Type-1 Test Board ZX plane ZY plane XY plane Frequency [MHz] Max Value [dB] Average [dB] Max Value [dB] Average [dB] Max Value [dB] Average [dB] 2400 0.29 -3.32 1.82 -0.51 1.49 -2.87 2450 0.55 -2.88 2.00 -0.211.95 -2.48 2500 -0.15-3.44 1.82 -0.62 1.82 -2.73 Approval sheet Page 8 of 12 ASC_RFECA3216060A1T_V09 Aug. 2018 Antenna on Type-2 Test Board ZX plane ZY plane XY plane Frequency [MHz] Max Value [dB] Average [dB] Max Value [dB] Average [dB] Max Value [dB] Average [dB] 2400 1.57 -2.83 1.95 -0.76 1.10 -2.93 2450 1.70 -2.62 2.00 -0.621.57 -2.61 2500 1.46 -2.82 1.90 -0.71 1.75 -2.68 Approval sheet Page 9 of 12 ASC_RFECA3216060A1T_V09 Aug. 2018 RELIABILITY TEST Test item Test condition / Test method Specification Solderability JIS C 0050-4.6 JESD22-B102D *Solder bath temperature：235  5C *Immersion time：2  0.5 sec Solder：Sn3Ag0.5Cu for lead-free At least 95% of a surface of each terminal electrode must be covered by fresh solder. Leaching (Resistance to dissolution of metallization) IEC 60068-2-58 *Solder bath temperature：260  5C *Leaching immersion time：30  0.5 sec Solder : SN63A Loss of metallization on the edges of each electrode shall not exceed 25%. Resistance to soldering heat JIS C 0050-5.4 *Preheating temperature：120~150°C, 1 minute. *Solder temperature：2705C *Immersion time：101 sec Solder：Sn3Ag0.5Cu for lead-free Measurement to be made after keeping at room temperature for 242 hrs No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics under the operational temperature range within -40 ~ 85°C. Loss of metallization on the edges of each electrode shall not exceed 25%. Drop Test JIS C 0044 Customer’s specification. *Height：75 cm *Test Surface：Rigid surface of concrete or steel. *Times：6 surfaces for each units；2 times for each side. No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics under the operational temperature range within -40 ~ 85°C. Vibration JIS C 0040 *Frequency：10Hz~55Hz~10Hz(1min) *Total amplitude：1.5mm *Test times：6hrs.(Two hrs each in three mutually perpendicular directions) No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics under the operational temperature range within -40 ~ 85°C. Adhesive Strength of Termination JIS C 0051- 7.4.3 *Pressurizing force： 5N(≦0603)；10N(>0603) *Test time：10±1 sec No remarkable damage or removal of the termination. Approval sheet Page 10 of 12 ASC_RFECA3216060A1T_V09 Aug. 2018 Bending test JIS C 0051- 7.4.1 The middle part of substrate shall be pressurized by means of the pressurizing rod at a rate of about 1 mm/s per second until the deflection becomes 1mm/s and then pressure shall be maintained for 51 sec. Measurement to be made after keeping at room temperature for 242 hours No mechanical damage. Electrical specification shall satisfy the descriptions in electrical characteristics under the operational temperature range within -40 ~ 85°C. Temperature cycle JIS C 0025 1. 303 m…

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Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB221123002RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 67 TEST REPORT Compiled by: Reviewed by: Approved by: Chen Zheng Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Wifi module FCC ID: 2A9H6-PETA1 Trademark: BROADWATCH Model Number: PETA-PCB-TF-VGA Prepared For: BROADWATCH Co., Ltd. Address: 3cho 1-7 Terajicho Nishi Sakai-Ku Sakai-shi Osaka, Japan Manufacturer: Shenzhen Heqi Lensens Technology Co., Ltd Address: Floor 2, Building A, No. 9, Huayuan Xincun Avenue, Xiangjiaotang Community, Bantian Street, Longgang District, Shenzhen Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Nov. 08, 2022 Sample tested Date: Nov. 08, 2022 to Nov. 23, 2022 Issue Date: Nov. 23, 2022 Report No.: CTB221123002RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is WIFI-2.4GHz band radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB221123002RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 67 TABLE OF CONTENT Test Report Declaration Page 1. VERSION .......................................................................... 3 2. TEST SUMMARY ................................................................... 4 3. MEASUREMENT UNCERTAINTY ..................................................... 5 4. PRODUCT INFORMATION AND TEST SETUP .......................................... 6 4.1 Product Information .................................................................... 6 4.2 Test Setup Configuration ............................................................... 6 4.3 Support Equipment .................................................................... 6 4.4 Channel List .......................................................................... 7 4.5 Test Mode ............................................................................ 7 4.6 Test Environment ...................................................................... 7 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................... 8 5.1 Test Facility ........................................................................... 8 5.2 Test Instrument Used .................................................................. 8 6. AC POWER LINE CONDUCTED EMISSION ............................................ 10 6.1 Block Diagram Of Test Setup .......................................................... 10 6.2 Limit ................................................................................ 10 6.3 Test procedure ....................................................................... 10 6.4 Test Result .......................................................................... 12 7. RADIATED SPURIOUS EMISSION ................................................... 14 7.1 Block Diagram Of Test Setup .......................................................... 14 7.2 Limit ................................................................................ 14 7.3 Test procedure ....................................................................... 15 7.4 Test Result .......................................................................... 16 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS .......................... 38 8.1 Block Diagram Of Test Setup .......................................................... 38 8.2 Limit ................................................................................ 38 8.3 Test procedure ....................................................................... 38 8.4 Test Result .......................................................................... 39 9. COUDUCTED OUTPUT POWER ..................................................... 46 9.1 Block Diagram Of Test Setup .......................................................... 46 9.2 Limit ................................................................................ 46 9.3 Test procedure ....................................................................... 46 9.4 Test Result .......................................................................... 47 10. 6DB OCCUPIED BANDWIDTH ....................................................... 48 10.1 Block Diagram Of Test Setup ......................................................... 48 10.2 Limit ............................................................................... 48 10.3 Test procedure ...................................................................... 48 10.4 Test Result ......................................................................... 49 11. POWER SPECTRAL DENSITY ...................................................... 54 11.1 Block Diagram Of Test Setup ......................................................... 54 11.2 Limit ............................................................................... 54 11.3 Test procedure ...................................................................... 54 11.4 Test Result ......................................................................... 55 12. ANTENNA REQUIREMENT ......................................................... 60 13. EUT PHOTOGRAPHS .............................................................. 61 14. EUT TEST SETUP PHO…

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Radiated Emission Below 1G Above 1G Conducted emissions