FCC ID: 2AUZX-WWD3LWU Wireless Water Detector

by: UBITECH LIMITED latest update: 2026-02-11 model: WWD3LWU

Two grants have been issued under this FCC ID from 02/10/2026 to 02/11/2026 (this is one of four releases in 2026 for this grantee). Public details available include manuals, frequency information, and internal & external photos. some products also feature user submitted or linked drivers, instructions, warrantee terms, password defaults, & troubleshooting guides.
permalink for this FCC identifier
|
Get Slack Alerts
|
|   
eg for Slack usage
manual
app s submitted / available
1 2 Users Manual pdf 415.61 KiB February 11 2026
1 2 Attestation Statements pdf February 11 2026
1 2 Attestation Statements pdf February 11 2026
1 2 Attestation Statements pdf February 11 2026
1 2 Test Report pdf February 11 2026
1 2 Block Diagram Block Diagram pdf February 11 2026 confidential
1 2 Test Report pdf February 11 2026
1 2 External Photos pdf February 11 2026
1 2 Cover Letter(s) pdf February 11 2026
1 2 Internal Photos pdf February 11 2026
1 2 ID Label/Location Info pdf February 11 2026
1 2 Cover Letter(s) pdf February 11 2026
1 2 Operation Description Operational Description pdf February 11 2026 confidential
1 2 RF Exposure Info pdf February 11 2026
1 2 Schematics Schematics pdf February 11 2026 confidential
1 2 Test Setup Photos pdf February 11 2026
1 2 Test Setup Photos pdf February 10 2026

 

Wireless Water Detector Product Information and Manuals Model NumberWWD3LWU 1Product Overview WWD3 is a low-power wireless sensor terminal that integrates leak detection, motion monitoring and long-distance LoRa communication functions. The device is battery-powered and supports -20~70 industrial environment operation. Key features include: Microampere standby current Touch interaction and sound and light alarm Support SWD wireless firmware upgrade 2Technical specifications category Power Power consumption Wireless Communications Sensor Type interface Mechanical Dimensions parameter 2AA battery (2.8-3.6V) Working Mode18mA 3VSleep Mode1.5A

(STM32WLE5CC)stand by 868/915MHz Leak Detection23-axis accelerometer(LIS3DH) SWD debug interfaceUART Data Interface 8.2X4.5X2.5cm 3Mechanical Dimensions 1Power system Power supply mode:

Main power supply: 2 AA batteries connected in series (BAT1) 2 Soc SocSTM32WLE5CC (ARM Cortex-M4) Resource Allocation:

Pinout Function Signal PA0/PA1 LED Control PB7 PC13 ADC1/2/3 Battery/leak detection BAT_LEVEL/LEAK_SG Buzzer control Touch key input LED1/LED2 BUZZER KEY_OUT 3 Sensor system Leak detection:

Detection principle: Electrical impedance change monitoring Interface: Spring contact (LEAK_SG_1/2) Response time: < 500ms Motion detection:

Chip: LIS3DH (2g~16g adjustable) Wake-up threshold: Software configurable 4. RF system RF front end: PE4259 antenna switch 5. User Interaction LED Indication:

state LED1(green) LED2(red) Normal operation 0.5Hz flicker Leakage Alert Low battery Off 1Hz synchronous flashing 1Hz synchronous flashing Off 2Hz flashing reasonable frequency harmful FCC Warnning:

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 protection againstharmful interference in a residential installation. This equipment generates, with energy uses and can radiateradio and, maycause interference the there thatinterference occur is equipment cause determined by turning the equipmentoff interference 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 harmfulinterference to radio or television reception, which can be user in communications. installation. instructions, guarantee does accordance However, this If thefollowing measures:

radio a encouraged if to in particular installed correct more used one and and will not not the on, the try no by or to to of is connected. Consult the dealer or an experienced radio/TV technician for help. Any Caution:

could void your authority to operate this equipment. modications changes this or to device not explicitly approved by manufacturer 15 part with complies device This conditions:

(1)This interference received, including interference that may cause undesired operation. interference, Operation harmful subject device device Rules. cause may and FCC this not the

(2) to of is the following two must accept any complies equipment FCC This environment. should between the radiator and your body. equipment with This radiation be installed exposure and limits operated set with forth for an minimum uncontrolled 0cm distance English:

Development Canadas licence-exempt RSS(s). This device contains licence-exempt transmitter(s)/receiver(s) that ISED Statement comply with Innovation, Science and Economic Operation is subject to the following two conditions:

(1) This device may not cause interference.

(2) This device must accept any interference, including interference that may cause undesired operation of the device. conformes aux CNR exempts de licence dInnovation, Sciences et Canada. Le fonctionnement est soumis aux deux conditions suivantes :

(1) Cet appareil ne doit pas causer dinterfrences.

(2) Cet appareil doit accepter toute interfrence, y compris les interfrences susceptibles de provoquer un fonctionnement indsirable de lappareil. French:Cet appareil contient des metteurs/rcepteurs exempts de licence qui sont Dveloppement conomique equipment This environment. complies with Canada radiation exposure limits set forth for an uncontrolled be and with should installed operated This equipment radiator & your body. Cet quipement est conforme Canada limites d'exposition aux radiations dans un environnement non contrl. Cet quipement doit tre install et utilis avec une distance minimale de 0 cm entre le radiateur et votre corps. minimum between distance 0cm the

 

1 2 Users Manual pdf 415.61 KiB February 11 2026
frequency equipment class purpose
1 2026-02-11 902.3 ~ 914.9 DSS - Part 15 Spread Spectrum Transmitter Original Equipment
2 2026-02-10 919.303 ~ 927.3 DTS - Digital Transmission System

Application Forms

app s Applicant Information
1 2 Effective 2026-02-11
1 2 2026-02-10
1 2 Applicant's complete, legal business name UBITECH LIMITED
1 2 FCC Registration Number (FRN) 0028951275
1 2 Physical Address 14F, Wing Hong Centre, 18 Wing Hong
1 2 Hong Kong, N/A 999077
1 2 Hong Kong
app s TCB Information
1 2 TCB Application Email Address c******@micomlabs.com
1 2 TCB Scope A4: UNII devices & low power transmitters using spread spectrum techniques
app s FCC ID
1 2 Grantee Code 2AUZX
1 2 Equipment Product Code WWD3LWU
app s Person at the applicant's address to receive grant or for contact
1 2 Name C******** S********
1 2 Title CEO
1 2 Telephone Number (852)********
1 2 Fax Number (852)********
1 2 E-mail c******@ubitech.hk
app s Technical Contact
1 2 Firm Name UBITECH LIMITED
1 2 Physical Address Hong Kong
1 2 E-mail c******@ubitech.hk
app s Non Technical Contact
1 2 Firm Name FireBot Inc.
1 2 Name M**** S**** B****
1 2 Physical Address 7400 Fullerton Rd Suite 101 Springfield VA
1 2 Virginia 22153
1 2 United States
1 2 Telephone Number (626)********
1 2 E-mail m******@firebotsuppression.com
app s Confidentiality (long or short term)
1 2 Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:Yes
1 2 Long-Term Confidentiality Does this application include a request for confidentiality for any portion(s) of the data contained in this application pursuant to 47 CFR § 0.459 of the Commission Rules?:No
if no date is supplied, the release date will be set to 45 calendar days past the date of grant.
app s Cognitive Radio & Software Defined Radio, Class, etc
1 2 Is this application for software defined/cognitive radio authorization?No
1 2 Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
1 2 DTS - Digital Transmission System
1 2 Description of product as it is marketed: (NOTE: This text will appear below the equipment class on the grant)Wireless Water Detector
1 2 Related OET KnowledgeDataBase Inquiry: Is there a KDB inquiry associated with this application?No
1 2 Modular Equipment TypeDoes not apply
1 2 Purpose / Application is forOriginal Equipment
1 2 Composite Equipment: Is the equipment in this application a composite device subject to an additional equipment authorization?Yes
1 2 Related Equipment: Is the equipment in this application part of a system that operates with, or is marketed with, another device that requires an equipment authorization?No
1 2 Grant CommentsPower listed is the maximum conducted output power.
1 2 Is there an equipment authorization waiver associated with this application?No
1 2 If there is an equipment authorization waiver associated with this application, has the associated waiver been approved and all information uploaded?No
app s Test Firm Name and Contact Information
1 2 Firm Name SHENZHEN CTA TESTING TECHNOLOGY CO., LTD.
1 2 Name E******** W********
1 2 Telephone Number 86-75********
1 2 E-mail w******@cta-test.cn
Equipment Specifications
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
1 1 15C CC 902.30000000 914.90000000 0.0062000
Line Rule Parts Grant Notes Lower Frequency Upper Frequency Power Output Tolerance Emission Designator Microprocessor Number
2 1 15C CC 919.30300000 927.30000000 0.0015000

 

some individual PII (Personally Identifiable Information) available on the public forms may be redacted, original source may include additional details

 

  This product uses the FCC Data API but is not endorsed or certified by the FCC