2AC7Z-ESPC61WRM1U2.4G Wi-Fi & BLE Internet of Things Module

PRELIMINARY ESP32-C61-WROOM-1U User ManualPre-release v0.5 Module that supports 2.4 GHz Wi-Fi 6 (802.11ax), Bluetooth ® 5 (LE) Built around ESP32-C61 series of SoCs, 32-bit RISC-V single-core microprocessor Flash up to 8 MB, PSRAM up to 2 MB Up to 23 GPIOs, rich set of peripherals external antenna connector ESP32-C61-WROOM-1U www.espressif.com PRELIMINARY 1 Module Overview 1Module Overview 1.1Features CPU and On-Chip Memory •ESP32-C61 embedded, 32-bit RISC-V single-core microprocessor, up to 160 MHz •ROM: 256 KB •SRAM: 320 KB •Up to 2 MB PSRAM Wi-Fi •1T1R in 2.4 GHz band •Operating frequency: 2412∼2462 MHz •IEEE 802.11ax-compliant –20 MHz-only non-AP mode –MCS0 ~ MCS9 –Uplink and downlink OFDMA to enhance connectivity and performance in congested environments for IoT applications –Downlink MU-MIMO (multi-user, multiple input, multiple output) to increase network capacity –Beamformee that improves signal quality –Spatial reuse to maximize parallel transmissions –Target wake time (TWT) that optimizes power saving mechanisms •Fully compatible with IEEE 802.11b/g/n protocol –20 MHz and 40 MHz bandwidth –Data rate up to 150 Mbps –Wi-Fi Multimedia (WMM) –TX/RX A-MPDU, TX/RX A-MSDU –Immediate Block ACK –Fragmentation and defragmentation –Transmission opportunity (TXOP) –Automatic Beacon monitoring (hardware TSF) –Four virtual Wi-Fi interfaces –Simultaneous support for Infrastructure BSS in Station mode, SoftAP mode, Station + SoftAP mode, and promiscuous mode Note that when ESP32-C61 scans in Station mode, the SoftAP channel will change along with the Station channel –802.11mc FTM Bluetooth ® •Bluetooth LE •Bluetooth mesh •High power mode (20 dBm) •Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps •Advertising extensions •Multiple advertisement sets •Channel selection algorithm #2 •LE power control •Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna Peripherals •GPIO, SPI, UART, I2C, I2S, LED PWM, USB Serial/JTAG controller, GDMA, On-chip debug functionality via JTAG, event task matrix, ADC, temperature sensor, brown-out detector, analog voltage comparator, general-purpose timers, system timer, and watchdog timers Integrated Components on Module •40 MHz crystal oscillator •Up to 8 MB Quad SPI flash Espressif Systems2 Submit Documentation Feedback ESP32-C61-WROOM-1 & WROOM-1U Datasheet v0.5 PRELIMINARY 1 Module Overview Antenna Options •ESP32-C61-WROOM-1U: External antenna via a connector Operating Conditions •Operating voltage/Power supply: 3.0∼3.6 V •Operating ambient temperature: –40∼85 °C 1.2Series Comparison ESP32-C61-WROOM-1U is a powerful, general-purpose Wi-Fi, and Bluetooth LE module. The rich set of peripherals and high performance make the module an ideal choice for smart homes, industrial automation, health care, consumer electronics, etc. ESP32-C61-WROOM-1U comes with a connector for an external antenna. It features 2 MB PSRAM and up to 8 MB SPI flash. The information in this datasheet is applicable to both modules. Table 1: ESP32-C61-WROOM-1U (CONN) Series Comparison Ambient Temp. 1 Size Ordering CodeFlash 2 PSRAMEmbedded Chip (°C)(mm) ESP32-C61-WROOM-1U-N8R28 MB (Quad SPI)2 MBESP32-C61HR2–40∼8518.0 × 19.2 × 3.2 1 Ambient temperature specifies the recommended temperature range of the environment immediately outside the Espressif module. 2 The flash is integrated in the chip’s package. The flash supports: - More than 100,000 program/erase cycles - More than 20 years data retention time 3 By default, ESP32-C61-WROOM-1U uses ANT1, and ANT2 is disabled. To use ANT2, pleasecontactus. At the core of the modules is ESP32-C61 *, a 32-bit RISC-V single-core processor. Note: For more information on ESP32-C61, please refer toESP32-C61 Series Datasheet. Espressif Systems3 Submit Documentation Feedback ESP32-C61-WROOM-1 & WROOM-1U Datasheet v0.5 PRELIMINARY Contents Contents 1 Module Overview2 1.1 Features2 1.2 Series Comparison3 2 Pin Definitions5 2.1 Pin Layout5 2.2 Pin Description5 3 Get Started7 3.1 What You Need7 3.2 Hardware Connection7 3.3 Set up Development Environment8 3.3.1 Install Prerequisites8 3.3.2 Get ESP-IDF8 3.3.3 Set up Tools9 3.3.4 Set up Environment Variables9 3.4 Create Your First Project9 3.4.1 Start a Project9 3.4.2 Connect Your Device9 3.4.3 Configure10 3.4.4 Build the Project10 3.4.5 Flash onto the Device11 3.4.6 Monitor12 4 U.S. FCC Statement14 Related Documentation and Resources18 Revision History19 Espressif Systems4 Submit Documentation Feedback ESP32-C61-WROOM-1 & WROOM-1U Datasheet v0.5 PRELIMINARY 2 Pin Definitions 2Pin Definitions 2.1Pin Layout The pin diagram below shows the approximate location of pins on the module. Pin Layout (Top View) 3V3 EN IO4 IO5 IO6 IO7 IO13 28 27 26 25 24 23 22 21 20 19 18 17 16 15 GND IO2 IO3 TX0 RX0 IO24 NC IO23 IO22 IO28 IO27 IO26 IO25 IO9 29 GND Keepout Zone GND GNDGNDGND GND GNDGNDGND 2 3 4 5 6 7 8 9 10 11 12 13 14 IO0 IO1 IO8 IO29 IO12 NC/IO14 1GND 3V3 EN IO4 IO5 IO6 IO7 IO13 28 27 26 25 24 23 22 21 20 19 18 17 16 15 GND IO2 IO3 TX0 RX0 IO24 NC IO23 IO22 IO28 IO27 IO26 IO25 IO9 29 GND GND GNDGNDGND GND GNDGNDGND 2 3 4 5 6 7 8 9 10 11 12 13 14 IO0 IO1 IO8 IO29 IO12 NC/IO14 1GND ESP32-C61-WROOM-1 ESP32-C61-WROOM-1U 323130 GND ANT2 GND ANT1 Figure 1: Pin Layout (Top View) 2.2Pin Description ESP32-C61-WROOM-1U module has 32 pins. See pin definitions in Table2Pin Description. For peripheral pin configurations, please refer toESP32-C61 Series Datasheet. Table 2: ESP32-C61-WROOM-1U Pin Definitions NameNo.Type 1 Function GND1PGround 3V32PPower supply EN3I High: on, enables the chip. Low: off, the chip powers off. Note: Do not leave the EN pin floating. Cont’d on next page Espressif Systems5 Submit Documentation Feedback ESP32-C61-WROOM-1 & WROOM-1U Datasheet v0.5 PRELIMINARY 2 Pin Definitions Table 2 – cont’d from previous page NameNo.Type 1 Function IO44I/O/TMTDI, GPIO4, LP_GPIO4, ADC1_CH2, FSPIWP IO55I/O/TMTCK, GPIO5, LP_GPIO5, ADC1_CH3 IO66I/O/TMTDO, GPIO6, LP_GPIO6, FSPICLK IO77I/O/TGPIO7, FSPID IO08I/O/TX…

Text truncated - open the document above for the full version.

[EspressifSystems(Shanghai)Co.,Ltd.] [Suite204,Block2,690BiboRoad,ZhangJiangHi-TechPark] [Shanghai,China] [China]] Date:[December22,2025] FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 FCCID:[2AC7Z-ESPC61WRM1U] FRN:[0023938848] USAgent–AttestationStatement/Part2.911(d)(7) [EspressifSystems(Shanghai)Co.,Ltd.]certifies,thatasof[December22,2025],wehave designatedFCCUSAgent,LLCtoacceptserviceofprocessonourbehalfforFCCID:[2AC7Z- ESPC61WRM1U]. [EspressifSystems(Shanghai)Co.,Ltd.],acceptstomaintainanagentofserviceofprocessin theUnitedStatesfornolessthanoneyearaftereitherthegranteehaspermanentlyterminated allmarketingandimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionof anyCommission-relatedadministrativeorjudicialproceedinginvolvingtheequipment, whicheverislater. FCCUSAgent,LLC,acceptsasofthedateofthefilingofthisapplication,theobligationof beingthedesignatedagentforthepurposeofacceptingserviceofprocessonbehalfof [EspressifSystems(Shanghai)Co.,Ltd.]forFCCID:[2AC7Z-ESPC61WRM1U]. DesignatedAgentInformation: CompanyName:FCCUSAgent,LLC FRN:0033402884 Address:3722IllinoisAvenue,SaintCharles,IL,60174,USA ContactPerson:TimPayne Phone:708-571-3148 Email:[email protected] Sincerely, Company:[EspressifSystems(Shanghai)Co., Ltd.] DesignatedAgent:FCCUSAgent,LLC CompanyRepresentative:[MiaZhou]DesignatedAgentRepresentative:TimPayne Signature:[Signature]Signature:

EspressifSystems(Shanghai)Co.,Ltd. December18,2025 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestforFCCID:2AC7Z- ESPC61WRM1U EspressifSystems(Shanghai)Co.,Ltd.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipment prohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903 oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,theequipment doesnotutilizecyber-securityoranti-virussoftwarefromKasperskyLab,Inc,or anyofitssuccessorsandassignees,whichisalsoonthe“coveredlist”. Sincerely, (Applicantsignature) (Applicantprintedname)MiaZhou EspressifSystems(Shanghai)Co.,Ltd. December18,2025 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestforFCCID:2AC7Z- ESPC61WRM1U EspressifSystems(Shanghai)Co.,Ltd.(“theapplicant”)certifiesthat,asofthe dateofthefilingoftheapplication,theapplicantisnotidentifiedontheCovered Listasanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)MiaZhou

EspressifSystems(Shanghai)Co.,Ltd. POWEROFATTORNEY DATE:December18,2025 To: FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 We,theundersigned,herebyauthorizeEurofinsTATechnology(Shanghai)Co.,Ltd./Freda Shouonourbehalf,toapplytoFCConourequipmentforFCCID: 2AC7Z-ESPC61WRM1U.AnyandallactscarriedoutbyEurofinsTATechnology (Shanghai)Co.,Ltd.onourbehalfshallhavethesameeffectasactsofourown. Sincerely, Printname:MiaZhou Signature:

Espressif Systems (Shanghai) Co., Ltd. Request for Confidentiality Date: January 5, 2026 Subject: Confidentiality Request for: FCC ID: 2AC7Z-ESPC61WRM1U Pursuant to FCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 10, the applicant requests that a part of the subject FCC application be held confidential. Type of Confidentiality Requested Exhibit Short Term Permanent Block Diagrams Short Term External Photos Short Term Permanent* 1 Internal Photos Short Term Permanent Operation Description/Theory of Operation Short Term Permanent Parts List & Placement/BOM Short Term Permanent Schematics Short Term Permanent FCC SW SECURITY DESCRIPTION ） Short Term Permanent Tune Up Information Short Term Permanent Test Setup Photos Short Term Permanent* User’s Manual *Note: ______(Insert Explanation as Necessary)______ Espressif Systems (Shanghai) Co., Ltd. has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality: The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality: The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of _ __ days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify TCB in the event information regarding the product or the product is made available to the public. TCB will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-1705. NOTE for Industry Canada Applications: The applicant understands that until such time that IC distinguishes between Short Term and Permanent Confidentiality, either type of marked exhibit above will simply be marked Confidential when submitted to IC. Sincerely, Signature: Printed Name of Signee: Mia Zhou Company: Espressif Systems (Shanghai) Co., Ltd. Phone: 86-21-61065209 ext6511 Espressif Systems (Shanghai) Co., Ltd. Email: [email protected] Job title: Engineer

EUT Appearance Report No.: EFTA25080149-IE-06 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 1 of 2 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. EUT Appearance EUT Appearance Report No.: EFTA25080149-IE-06 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-032E Page 2 of 2 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Picture 1: Constituents of EUT

EspressifSystems(Shanghai)Co.,Ltd. DeclarationoftheModularApproval Applicant/Grantee EspressifSystems(Shanghai)Co.,Ltd. FCCID: 2AC7Z-ESPC61WRM1U Model: ESP32-C61-WROOM-1U Thesinglemoduletransmitterhasbeenevaluatedthentestedmeetingthe requirementsunderPart15CSection212asbelow: ModularapprovalrequirementEUTConditionComply (a)Theradioelementsofthemodular transmittermusthavetheirown shielding.Thephysicalcrystaland tuningcapacitorsmaybelocated externaltotheshieldedradioelements. Theradioelementsofthemodular transmitterhavetheirownshielding. YES (b)Themodulartransmittermusthave bufferedmodulation/datainputs(ifsuch inputsareprovided)toensurethatthe modulewillcomplywithpart15 requirementsunderconditionsof excessivedataratesorover-modulation. Themodularhasbuffereddatainputs, itisintegratedinchip.Pleasesee schematic.pdf YES (c)Themodulartransmittermusthaveits ownpowersupplyregulation. Allpowerlinesderivedfromthehost deviceareregulatedbeforeenergizing othercircuitsinternaltoESP32-C61- WROOM-1U.Pleasesee schematic.pdf YES (d)Themodulartransmittermustcomply withtheantennaandtransmission systemrequirementsofSections15.203, 15.204(b)and15.204(c).Theantenna musteitherbepermanentlyattachedor employa“unique”antennacoupler(atall connectionsbetweenthemoduleandthe antenna,includingthecable).The “professionalinstallation”provisionof Section15.203isnotapplicableto modulesbutcanapplytolimitedmodular approvalsunderparagraph(b)ofthis section. Deviceusesamicro-striptraceonthe host’sprintedcircuitboardtoan antennaconnectoronthehostcircuit board. YES (e)Themodulartransmittermustbetested inastand-aloneconfiguration,i.e.,the modulemustnotbeinsideanotherdevice duringtestingforcompliancewithpart15 requirements.Unlessthetransmitter modulewillbebatterypowered,itmust ESP32-C61-WROOM-1Uwastested inastand‐alone configuration.Pleaseseespuriousset ‐ up YES EspressifSystems(Shanghai)Co.,Ltd. complywiththeAClineconducted requirementsfoundinSection15.207. ACorDCpowerlinesanddata input/outputlinesconnectedtothe modulemustnotcontainferrites,unless theywillbemarketedwiththemodule (seeSection15.27(a)).Thelengthof theselinesshallbethelengthtypicalof actualuseor,ifthatlengthisunknown,at least10centimeterstoinsurethatthere isnocouplingbetweenthecaseofthe moduleandsupportingequipment.Any accessories,peripherals,orsupport equipmentconnectedtothemodule duringtestingshallbeunmodifiedand commerciallyavailable(seeSection 15.31(i))mustnotbeinsideanother deviceduringtesting. (f)Themodulartransmittermustbe equippedwitheitherapermanently affixedlabelormustbecapableof electronicallydisplayingitsFCC identificationnumber. ThelabelpositionofESP32-C61- WROOM-1Uisclearlyindicated.Ifthe FCCIDofthemodulecannotbeseen whenitisinstalled,thenthehostlabel mustincludethetext:Contains 2AC7Z-ESPC61WRM1U,pleasesee thelabel.pdf YES (g)Themodulartransmittermustcomply withanyspecificrulesoroperating requirementsthatordinarilyapplytoa completetransmitterandthe manufacturermustprovideadequate instructionsalongwiththemoduleto explainanysuchrequirements.Acopy oftheseinstructionsmustbeincludedin theapplicationforequipment authorizationrequirements,whichare basedontheintended use/configurations. ESP32-C61-WROOM-1Uiscompliant withallapplicableFCCrules.Detail instructionsaregivenintheUser Manual. YES (h)Themodulartransmittermustcomply withanyapplicableRFexposure requirementsinitsfinalconfiguration. ESP32-C61-WROOM-1Uisapproved tocomplywiththeapplicableRF exposurerequirement,pleaseseethe MPEevaluationwith20cmasthe distancerestriction. YES PrintedNameofSignee:MiaZhou EspressifSystems(Shanghai)Co.,Ltd. Company:EspressifSystems(Shanghai)Co.,Ltd. Phone:(8621)61065209Email:[email protected]

Internal photo FCC ID: 2AC7Z-ESPC61WRM1U Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-033E Page 1 of 1 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Internal photo

Prepared by: Wei Fangying Approved by: Xu Kai Eurofins TA Technology (Shanghai) Co., Ltd. Building 3, No.145, Jintang Rd, Pudong Shanghai, P.R.China TEL: +86-021-50791141/2/3 FAX: +86-021-50791141/2/3-8000 MPE TEST REPORT Applicant Espressif Systems (Shanghai) Co., Ltd. FCC ID 2AC7Z-ESPC61WRM1U Product 2.4G Wi-Fi & BLE Intemet of Things Module Brand ESPRESSIF Model ESP32-C61-WROOM-1U Report No. EFTA25080149-IE-08-M1 Issue Date December 11, 2025 Eurofins TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in FCC 47 CFR Part 1 §1.1310, §2.1091. The test results show that the equipment tested can demonstrate the compliance with the requirements as documented in this report. MPE Test Report Report No.: EFTA25080149-IE-08-M1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-014S Page 2 of 9 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Table of Contents 1 Test Laboratory ................................................................................................................................. 3 1.1 Notes of the Test Report ............................................................................................................ 3 1.2 Test Facility ................................................................................................................................ 3 1.3 Testing Location......................................................................................................................... 3 1.4 Laboratory Environment ............................................................................................................ 3 2 Description of Equipment Under Test ............................................................................................... 4 3 Maximum Tune up and Antenna Gain .............................................................................................. 5 4 MPE Limit .......................................................................................................................................... 6 5 RF Exposure Evaluation Result ........................................................................................................ 8 ANNEX A: The EUT Appearance ............................................................................................................. 9 MPE Test Report Report No.: EFTA25080149-IE-08-M1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-014S Page 3 of 9 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 1 Test Laboratory 1.1 Notes of the Test Report This report shall not be reproduced in full or partial, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein. Measurement Uncertainties were not taken into account and are published for informational purposes only. This report is written to support regulatory compliance of the applicable standards stated above. 1.2 Test Facility FCC (Designation number: CN1179, Test Firm Registration Number: 446626) Eurofins TA Technology (Shanghai) Co., Ltd. has been listed on the US Federal Communications Commission list of test facilities recognized to perform measurements. 1.3 Testing Location Company: Eurofins TA Technology (Shanghai) Co., Ltd. Address: Building 3, No.145, Jintang Rd, Pudong Shanghai, P.R.China City: Shanghai Post code: 201201 Country: P. R. China Contact: Xu Kai Telephone: +86-021-50791141/2/3 Fax: +86-021-50791141/2/3-8000 Website: https://www.eurofins.com/electrical-and-electronics E-mail: [email protected] 1.4 Laboratory Environment Temperature Min. = 18C, Max. = 25C Relative humidity Min. = 20%, Max. = 80% Ground system resistance < 0.5  Ambient noise is checked and found very low and in compliance with requirement of standards. Reflection of surrounding objects is minimized and in compliance with requirement of standards. MPE Test Report Report No.: EFTA25080149-IE-08-M1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-014S Page 4 of 9 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 2 Description of Equipment Under Test Client Information Applicant Espressif Systems (Shanghai) Co., Ltd. Applicant address 1-7th Floor, Building 3, 235 Yubei Road, Pudong New Area, Shanghai, China Manufacturer Espressif Systems (Shanghai) Co., Ltd. Manufacturer address 1-7th Floor, Building 3, 235 Yubei Road, Pudong New Area, Shanghai, China General Technologies EUT Description Model ESP32-C61-WROOM-1U Lab Internal SN EFTA25080149-IE-08/S01 Hardware Version V1.1 Software Version V1.1.3.4 Frequency Band TX (MHz) RX (MHz) Wi-Fi 2.4G 2400 ~ 2483.5 2400 ~ 2483.5 Bluetooth (Low Energy) 2400 ~ 2483.5 2400 ~ 2483.5 Date of Testing August 14, 2025 ~ September 23, 2025 Date of Sample Received August 14, 2025 Note: 1. The EUT is sent from the applicant to Eurofins TA and the information of the EUT is declared by the applicant. 2. All indications of Pass/Fail in this report are opinions expressed by Eurofins TA Technology (Shanghai) Co., Ltd. based on interpretations and/or observations of test results. Measurement Uncertainties were not taken into account and are published for informational purposes only. MPE Test Report Report No.: EFTA25080149-IE-08-M1 Eurofins TA Technology (Shanghai) Co., Ltd. TA-MB-01-014S Page 5 of 9 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 3 Maximum Tune up and Antenna Gain The numeric gain (G) of the antenna with a gain specified in dB is determined by Numeric gain (G)=10^ (antenna gain/10) Band Maximum Tune up Tolerance Antenna Gain (dBi) Numeric Gain (dBm) (mW) Wi-Fi 2.4GHz 21.00 125.89 2.33…

Text truncated - open the document above for the full version.

Test Result Report No.: EFTA25080149-IE-07-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 1 of 52 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. ANNEX A: Test Result 1. Unwanted Emission The radiated emission was measured in the following position: EUT stand-up position (Z axis), lie-down position (X, Y axis). The worst emission was found in lie-down position (X axis for Wi-Fi 2.4GHz; Z axis for Bluetooth LE) and the loop antenna is vertical, the others are vertical and horizontal. and the worst case was recorded. Test Result Report No.: EFTA25080149-IE-07-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 2 of 52 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 1.1. Wi-Fi 2.4GHz The following graphs display the maximum values of horizontal and vertical by software. Blue trace uses the peak detection, Green trace uses the average detection. A symbol () in the test plot below means (dBμV/m) The signal beyond the limit is carrier. 0 10 20 30 40 50 60 70 80 90 100 110 120 2310 2320 2330 2340 2350 2360 2370 2380 2390 2400 2410 2420 2430 Level in dB 礦 /m Frequency in MH z FCC RE PK FCC RE AV 2.386005000 GHz 58.504 dB礦/m 2.385630000 GHz 48.842 dB礦/m 802.11b-Channel 1 Peak+ Average 0 10 20 30 40 50 60 70 80 90 100 110 120 2450 2455 2460 2465 2470 2475 2480 2485 2490 2495 2500 Level in dB 礦 /m Frequency in MH z FCC RE PK FCC RE AV 2.485587500 GHz 56.569 dB礦/m 2.487643750 GHz 46.085 dB礦/m 802.11b-Channel 11 Peak+ Average 0 10 20 30 40 50 60 70 80 90 100 110 120 130 2310 2320 2330 2340 2350 2360 2370 2380 2390 2400 2410 2420 2430 Level in dB 礦 /m Frequency in MH z FCC RE AV 2.389695000 GHz 48.719 dB礦/m 0 10 20 30 40 50 60 70 80 90 100 110 120 2310 2320 2330 2340 2350 2360 2370 2380 2390 2400 2410 2420 2430 Level in dB 礦 /m Frequency in MH z FCC RE PK 2.389830000 GHz 69.457 dB礦/m 802.11g-Channel 1 Peak+ Average 0 10 20 30 40 50 60 70 80 90 100 110 120 2450 2455 2460 2465 2470 2475 2480 2485 2490 2495 2500 Level in dB 礦 /m Frequency in MH z FCC RE PK FCC RE AV 2.483618750 GHz 51.958 dB礦/m 2.483787500 GHz 69.987 dB礦/m 802.11g-Channel 11 Peak+ Average 0 10 20 30 40 50 60 70 80 90 100 110 120 2310 2320 2330 2340 2350 2360 2370 2380 2390 2400 2410 2420 2430 Level in dB 礦 /m Frequency in MH z FCC RE PK FCC RE AV 2.389845000 GHz 72.040 dB礦/m 2.389695000 GHz 53.190 dB礦/m 802.11n HT20-Channel 1 Peak+ Average 0 10 20 30 40 50 60 70 80 90 100 110 120 2450 2455 2460 2465 2470 2475 2480 2485 2490 2495 2500 Level in dB 礦 /m Frequency in MH z FCC RE PK FCC RE AV 2.483825000 GHz 67.464 dB礦/m 2.483787500 GHz 51.230 dB礦/m 802.11n HT20-Channel 11 Peak+ Average Test Result Report No.: EFTA25080149-IE-07-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 3 of 52 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. 0 10 20 30 40 50 60 70 80 90 100 110 120 23102320 2340 2360 2380 2400 2420 24402450 Level in dB 礦 /m Frequency in MH z FCC RE PK FCC RE AV 2.389572500 GHz 65.038 dB礦/m 2.389695000 GHz 51.727 dB礦/m 802.11n HT40-Channel 3 Peak+ Average 0 10 20 30 40 50 60 70 80 90 100 110 120 2430 2440 2450 2460 2470 2480 2490 2500 Level in dB 礦 /m Frequency in MH z FCC RE PK FCC RE AV 2.484705000 GHz 61.047 dB礦/m 2.485116250 GHz 49.399 dB礦/m 802.11n HT40–Channel 9 Peak+ Average 0 10 20 30 40 50 60 70 80 90 100 110 120 2310 2320 2330 2340 2350 2360 2370 2380 2390 2400 2410 2420 2430 Level in dB 礦 /m Frequency in MH z FCC RE PK FCC RE AV 2.388375000 GHz 72.276 dB礦/m 2.388810000 GHz 52.375 dB礦/m 802.11ax HE20-Channel 1 Peak+ Average 0 10 20 30 40 50 60 70 80 90 100 110 120 2450 2455 2460 2465 2470 2475 2480 2485 2490 2495 2500 Level in dB 礦 /m Frequency in MH z FCC RE PK FCC RE AV 2.483743750 GHz 72.098 dB礦/m 2.483556250 GHz 53.065 dB礦/m 802.11ax HE20-Channel 11 Peak+ Average RU Mode 0 10 20 30 40 50 60 70 80 90 100 110 120 23102320 2340 2360 2380 2400 24202430 Frequency in MH z FCC RE PK(Class B) 2.389500000 GHz 802.11ax HE20 242TONE -Channel 1 Peak 0 10 20 30 40 50 60 70 80 90 100 110 120 2450 2455 2460 2465 2470 2475 2480 2485 2490 2495 2500 Frequency in MH z FCC RE PK(Class B) FCC RE AV(Class B) 2.483893750 GHz 2.483581250 GHz 802.11ax HE20 242TONE-Channel 11 Peak+ Average 0 10 20 30 40 50 60 70 80 90 100 110 120 23102320 2340 2360 2380 2400 24202430 Frequency in MH z FCC RE AV(Class B) 2.389965000 GHz 802.11ax HE20 242TONE-Channel 1 Average Test Result Report No.: EFTA25080149-IE-07-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 4 of 52 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Shanghai) Co., Ltd. Result of RE Sweep the whole frequency band through the range from 9kHz to the 10th harmonic of the carrier. The Radiates Emission from 9kHz to 30MHz and 18GHz to 26.5GHz are more than 20dB below the limit are not reported. Remark: 1. Correction Factor = Antenna factor + Insertion loss (cable loss + amplifier gain) 2. Margin = Limit – Quasi-Peak/ MAX Peak/ Average 3. The following graphs display the maximum values of horizontal and vertical by software. 4. For below 1GHz QP Level @Spectrum Overview H QP Level @Spectrum Overview V QP Level @Final Results QP Limit For above 1GHz PK Level @Spectrum Overview H PK Level @Spectrum Overview V PK Level @Final Results PK Limit AVG Level @Spectrum Overview H AVG Level @Spectrum Overview V AVG Level @Final Results AVG Limit Continuous TX mode: During the test, the Radiates Emission from 30MHz to 1GHz was performed in all modes with all channels, the test data of the worst-case condition was recorded in this report. Radiates Emission from 30MHz to 1GHz Test Result Report No.: EFTA25080149-IE-07-SRD-FCC Eurofins TA Technology (Shanghai) Co., Ltd. Page 5 of 52 This report shall not be reproduced except in full, without the written approval of Eurofins TA Technology (Sh…

Text truncated - open the document above for the full version.

Date10/11/2019VersionNo.B 上海德门信息技术有限公司 1 上海德门电子科技有限公司 SHANGHAIDEMANELECTRONICSTECHNOLOGYCO.,LTD. 产品规格书 PRODUCTSPECIFICATION 客户 Customer 客户编码 Customer’spartnumber 产品料号 ProductMaterialCode TFPD05H08750011 发行日期 IssueDate 2019-10-11 发行版本 ReleaseVersion B 作者 Author 汪龙 Date10/11/2019VersionNo.B 上海德门信息技术有限公司 2 1产品技术指标（PRODUCTTECHNICALSPECIFICATION） 电性能指标ElectricalSpecifications 频率范围FrequencyRange（MHz）2400-2500 最大功率Maxpower(W)1 频带宽度Bandwidth（MHz）100 输入阻抗InputImpendence（Ω）50 电压驻波比VSWR＜2.5 增益Gain（dBi）＞1.0 极化形式PolarizationType垂直极化Vertical 方向性Directionality全向Omnidirectional 机械指标MechanicalSpecifications 外部尺寸ExternalDimensions(L×W) (mm) 100×5.2 连接方式ConnectionModeIpex一代 工作温度OperatinTemp（°C）-30～70 储存温度StoringTemp(°C)-30～70 外壳颜色RadomeColor黑色Black 天线类型AntennaType 套筒单极天线sleevemonopole antenna Date10/11/2019VersionNo.B 上海德门信息技术有限公司 3 2产品电性能参数（PRODUCTELECTRICALPERFORMANCEPARAMETER） 2.1产品图片（Productpicture） 2.2效率、增益（Efficiency/Gain） Freq. （MHz） Effi(%) Gain (dBi) 2400782.17 2410782.19 2420792.31 2430792.26 2440782.21 2450792.33 2460782.32 2470762.14 2480752.05 2490742.02 2500721.83 Avg.772.17 Date10/11/2019VersionNo.B 上海德门信息技术有限公司 4 2.3驻波比(VSWR)&反射损耗(ReturnLoss)&史密斯图(SmithChart) Date10/11/2019VersionNo.B 上海德门信息技术有限公司 5 2.4方向性图（DirectivityDiagram） XY YZ XZ Date10/11/2019VersionNo.B 上海德门信息技术有限公司 6 3产品尺寸（Productdimensions）

Prepared by: Xu Ying Approved by: Xu Kai Eurofins TA Technology (Shanghai) Co., Ltd. Building 3, No.145, Jintang Rd, Pudong Shanghai, P.R.China TEL: +86-021-50791141/2/3 FAX: +86-021-50791141/2/3-8000 RF TEST REPORT Applicant Espressif Systems (Shanghai) Co., Ltd. FCC ID 2AC7Z-ESPC61WRM1U Product 2.4G Wi-Fi & BLE Internet of Things Module Brand ESPRESSIF Model ESP32-C61-WROOM-1U Report No. EFTA25080149-IE-07-R1 Issue Date December 19, 2025 Eurofins TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in FCC CFR47 Part 15C (2025). The test resu…

Text truncated - open the document above for the full version.