FCC ID: WCH99956085B Communication Printed Circuit Assembly with IOT capability. BLE module.

Users instructions to use the BLE communication module with MyDolphin application features. 1ContainsFCCID:WCH99956085B. 2FCCStatement ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuantto part15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmful interferenceinaresidentialinstallation.Thisequipmentgenerates,usesandcanradiateradiofrequency energyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterferenceto radiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticular installation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbe determinedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferenceby oneormoreofthefollowingmeasures:

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. Maytronicsisnotresponsibleforanyradioorcommunicationinterferencecausedbyusingotherthan specifiedorrecommendedcablesandbatteryorbyunauthorizedchangesormodificationstothisequipment. Changesormodificationsnotexpresslyapprovedbythemanufacturercouldvoidtheusersauthorityto operatetheequipment. Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:

1.Thisdevicemaynotcauseharmfulinterference,and 2.Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesired operation. 3Useconditions TheBLEcommunicationmoduleistobeincorporatedintheIoTPowersupply(Host)bytheGranteeandisnot forsaletoanyotherthirdparties. 4Limitedmoduleprocedures 4.1themodulartransmitterdoesn'thaveitsownRFshielding 4.2themoduletransmitterhasBLEtransmissionprotocols 4.3themodulartransmittergetspowerinternallyfromitspowersupplyusingalinear3.3Vregulator 4.4themoduletransmitterhasanantennaprintedonthePCB 4.5themodulartransmitterhasbeentestedinsideanauxiliarydevicethereforeitismatchingmodulelimited approval 1 4.6themodulartransmitterislabeledwithFCCIDandasitisnotvisibletotheuser,thereisanexteriorlabel including"ContainsFCCID:WCH99956085B"

4.7themoduletransmittercomplieswithanyapplicableRfexposurerequirements 4.8themoduletransmittercompliestopara.15part15.247 4.9Themoduleiscompletelytunedandtestedbeforeshipmenttothefactory.Theretheboardwherethe moduleislocatedisscrewedinplacetotheinternalfrontpartofthehousingofthehostandconnectedtothe hostmainboardforinputvoltagebyawiresharness. 5theBLEmoduletransmitterhasanintegratedantennaprintedonthePCBwith0dBiGain. TheantennaispartoftheprintedtracesinthePCBGerberfiles. Themoduledoesnothaveatuneupprocedureandalltuneupsarecontrolledatthefactory.Theproductis completelytunedandtestedbeforeshipment. 6InanyconditionthemaximumdistancewhereRFexposureallowedlimitsaremetis1.8cmfromthemodule unit. Themoduleinstalledinsidethemobiledeviceisdesignedtobeusedsothattheradiatingstructureofthe devicemaybeusedatadistanceof20cmfromthebodyoftheuser.Thepeakpowerdensityatadistanceof 20cmislessthanthe1mV/cm2Powerdensitylimit. 7TheantennaisprintedonthePCBseepara.5above. 8ThefollowinglabelshallbeattachedtotheoutersurfaceoftheHost:

9OperationsystemModes whentheBLEmoduleisoperatingitisconnectedandadvertising. whenthesystemstatesthattheWiFimoduleandtheBLEmoduleareoperating,theWiFimoduleis connectedandtheBLEmoduleispairedandconnected 10ThemodulartransmitterisONLYFCCauthorizedfortherulesaslistedontheGrant. IfotherFCCrulesapplytothehostandarenotcoveredbythemodulargrant,thesearethehostmanufacturer responsibility. 2 11Operation ContainsFCCID:WCH99956085B. ProceedtoBluetoothpairingonyourSmartphone. TheSmartphoneIdentifiestherobotandinitiatesapairingsequence. NowthestrongsignaltransmittercommunicatesremotelywiththepowersupplyviaBluetooth. 12OEMINTEGRATIONINSTRUCTIONS ThismoduleisintendedonlyforMaytronicsdevicesunderthefollowingconditions:

Themoduleisinstalledinthehostequipmentsuchthat20cmismaintainedbetweentheantennaandusers, andthetransmittermodulemaynotbecolocatedwithanyothertransmitterorantennaunlessevaluated usingtheFCCmultitransmitterprocedures.Themoduleshallbeonlyusedwiththeinternalonboardantenna thathasbeenoriginallytestedandcertifiedwiththismodule.Externalantennasarenotsupported.Aslongas these3conditionsabovearemet,furthertransmittertestwillnotberequired. Maytronicsisresponsiblefortestingtheendproductforanyadditionalcompliancerequirementsrequired withthismoduleinstalled. 3

Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: June 10, 2019 Subject; Modular Transmitter Application FCC ID:WCH99956085B Dear Sir/ Madam, The following items are submitted in support of application for Modular Transmitter FCC ID as noted above as required by the FCC KDB 996369 D03 OEM Manual v01. These items are provided as integration instructions for host product manufacturers

(e.g., OEM instruction manual) to use when integrating a module in a host product. Items that are Not Applicable are as marked. Summary of requirements and Checklist. Refer to the KDB for description of the complete requirements;

Requirement User Manual Page Number reference List of applicable FCC rules Page 1, para 2 Summarize the specific operational use conditions Page 1, para 3 Page 1, para 4 Limited module procedures Trace antenna designs Page 2, para 5 Page 2, para 6 RF exposure considerations Page 2, para 7 Antennas Page 2, para 8 Label and compliance information Information on test modes and additional testing Page 2, para 9 requirements Additional testing, Part 15 Subpart B disclaimer Page 2, para 10 KDB Ref Sect 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 Sincerely, Signature:

Name: Yair Hadari Title: R&D manager

IOTPowerSupply|UserInstructions IOT Power Supply User Instructions EN Documentation Draft Preliminary Version Subject to Change Approvals:

Issued by Review by Name Title Signature Date Amir Luckman Product Manager A.L Dec 24th 2018 Rev 02 Maytronics. Proprietary and Confidential Page 1 of 5 IOTPowerSupply|UserInstructions 1. IMPORTANTWIFICOVERAGEATTHEPOOLAREA Toassistyouwithtips,productupdates,andcommunicationwiththeDolphinSupportteam,please makesurethatyourhomeWIFInetworkcoversthepoolarea,withatleast60%signalstrength. Thepowersupplyoftherobotsupports2.4GHzfrequencyonly. 2- FCC Radio frequency interference statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician for help. Maytronics is not responsible for any radio or communication interference caused by using other than specified or recommended cables and battery or by unauthorized changes or modifications to this equipment. Changes or modifications not expressly approved by the manufacturer could void the users authority to operate the 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. Rev 02 Maytronics. Proprietary and Confidential Page 2 of 5 IOTPowerSupply|UserInstructions 3 SettingupcommunicationwiththeRoboticPoolCleaner AsmentionedinSection1above,pleaseverifythatyourhomeWIFInetworkadequatelycoversthe areaoftheRoboticPoolCleanerspowersupply. Thesmartphonecommunicatesdirectlywiththepowersupplyoftherobot,notwiththerobot. NOpairingprocedureisrequiredatallbetweenthesmartphoneandtherobot. DownloadtheMyDolphinTMApptoyoursmartphonefromGooglePlayortheAppStore. 1. 2. ActivateBluetoothandWIFIonyoursmartphone.Duringtheinitialconnectiontotherobot, thesmartphonemustbeconnectedtoyourhomeWIFInetwork,atasignalstrengthofatleast60%. 3. ActivatetheMyDolphinTMApponyoursmartphone,andfollowtheinstructions:

Firststep:Registration 3.2TermsandConditions 3.3Registration 3.1Intro Maytronics. Proprietary and Confidential Page 3 of 5 Rev 02 IOTPowerSupply|UserInstructions Secondstep:IdentifyandconnecttherobotusingBluetooth 5.3.9 3.4Identifytherobotby scanningtheQRcodeon thePowerSupply. 3.5Oralternatively identifytherobotby usingBluetooth. 3.6Robotisidentified. Onceconnected,acommunication greenlightLEDonthepowersupply Thirdstep:ConnecttherobotusingWIFIandstartworking 3.7WIFIconnection procedureactivation ChooseyourWIFInetwork 3.8EnteryourWIFI networkpassword 3.9Thepowersupply isnowconnectedtoyourhomeWIFI network.acommunication bluelightLEDonthepowersupply Rev 02 Maytronics. Proprietary and Confidential Page 4 of 5 IOTPowerSupply|UserInstructions 4LEDon/offButtonLegend:

Mode PowerOFF PowerstartstoOn PowerON Flooronly Delay*active WeeklyTimer*everyday WeeklyTimer*every2ndday WeeklyTimer*every3rdday Fault(robot/PS/cable) PoolAutomation SWupdate PowerSupplyLEDIndicator O Blue Blinksfast3times Blue Onconstant Blue Blinksfast Green Blinksfasttilloperation Green BlinksONshortOFFlongtilloperation Green BlinkstwiceONshortOFFshort, thenOFFlongtilloperation Green BlinksthreetimesONshortOFFshort, thenOFFlongtilloperation Red Onconstant Blue&Green BlinksfastBlueGreen Blue&Green&Red BlinksfastBlueGreenRed

*Note:ThePowersupplyisconfiguredtoactivateonlyoneoftheoptions:DelayorWeeklyTime. TochoosewhichoptionwillbeinstalledinthePowersupply,usetheMyDolphinTMApp. Rev 02 Maytronics. Proprietary and Confidential Page 5 of 5