2BW52-EN2073TXTransmitter

USER MANUAL DIGITAL POOL THERMOMETER EN2073 DIGITAL POOL THERMOMETER EN01EN02 1 FUNCTION 2 LCD SCREEN AND SETTINGS RF icon and channel 12/24 hour format Time Indoor temperature in °C/°F values MIN/MAX Outdoor temperature values Outoor temperature in °C/°F values Water temperature zone High temperature alert Low temperature alert ● Time display: 12/24HR. ● Displays of indoor temperature. ● Indoor temperature detection range is -10°C-50°C14°F-122°F. ● Water temperature level display. ● Outdoor temperature detection range is -30°C-60°C14°F-140°F. ● MIN/MAX outdoor temperature record. ● Outdoor temperature comfort display: COLD OKHOT. ● Outdoor High/Low temperature alert: Default high-temperature alert: 60.0°C; Default low-temperature alert: -10°C. Setting range: -10°C to 60°C (manually adjustable). ● Outdoor temperature channel up to connect with 3 transmitters simultaneously. ● Temperature unit optional: °C/°F. ● Power supply: Receiver: 2x1.5V AAA size alkaline battery; Transmitter: 2xAA size alkaline battery. ● Low battery detection. ● Water resistance: Indoor receiver: Not waterproof; Outdoor transmitter: IP67 waterproof rating. Low battery of receiver Low battery of transmitter EN03EN04 3 Wireless remote sensor (transmitter) A B C DEF G H I J K L TX A: Temperature sensor B:Battery box C: Battery compartment securing module D: Main control module E: Waterproof rubber ring F: Locking cover G: Lens H: °C/°F selection switch I: Channel selection switch J: Temperature value K:Channel L: Low battery ● Transmitter frequency: 433.92 MHz. ● Range of transmission is up to100M328feet. 4 Initial operation ● Open the battery compartment on the rear side of the outdoor remote sensor and insert 2x AA batteriesUnscrew the screws. Pay attention to observe the correct polarity (“+” and “-” marks) and choose the temperature unit and channel you need. ● Select the °C/°F display by pressing the button H inside the compartment. The channel can be selected by pressing the switch I. Close the battery compartment. ● Open the battery compartment on the rear side of the receiver and insert the batteries. Pay attention to observe the correct polarity. Close the battery compartment. ● When you insert the batteries, all the icon on the LCD display will briefly light up for 3 seconds. ● The receiver will now start to make a connection to the outdoor remote sensor. This operation takes about 3 minutes and is displayed by a flashing reception RF antenna symbol in the outdoor display area on the receiver. EN05EN06 5 CAUTION ● After disassembly, do not touch other components, especially the electronic components, pay attention to the direction of the slot when installing the battery box. After setting, cover the lens and lock the cover tightly. ● This pairing mode only takes 3 minutes. If the pairing fails after more than 3 minutes, you need to press and hold the “ ” button for 3 seconds to re-enter the pairing mode. ● After successful pairing, the remote sensor can be put into the swimming pool to detect its water temperature. 6 Manual time setting OPENCLOSE ● Press and hold the “ ” for about 3 seconds, the display shows“ 24Hr” and flashes, press “ ” or “ ” to select “12Hr” or “24Hr”. ● Press the “ ” again, the hour digits flash, press “ ” or “ ” to set hour. (Long press the button will accelerate setting at high speed). ● Press the “ ” again, the minute digits flash, press “ ” or “ ” to set minute. (Long press the button will accelerate setting at high speed). ● Press the “ ” or without any operation within 10 seconds, it will exit the current setting mode. EN07EN08 Note: When 12-hour time format is selected, the “PM” icon will appear on the screen in the afternoon. Single press the “ ” to switch from “12Hr” or “24Hr”. ● Press “ ” to switch the outdoor temperature display channel(1-3). ● Press and hold “ ” for 3 seconds to clear the outdoor signal channel and search for the signal again. 7 Switch the outdoor receiving channel ● In normal display mode, short press the “ ” button to turn the high/low temperature alert ON and OFF. The sequence is: HI ON-LO ON- HI OFF - LO OFF (Once the alert is setting, the “ ” icon will appear on the screen). ● High/Low temperature setting range: -10°C to 60°C (14°F to 140°F). The default is: High (HI) alarm at 60°C, Low (LO) alarm at -10°C. ● Press and hold the “ ” button for 3 seconds to enter manual setting mode. The sequence is: High (HI) - Low (LO) - Exit settings. The corresponding value blinks during setting. Press the “ ” or “ ” button to adjust the value. After setting, short press the “ ” button to confirm and enter other mode. The alarm is automatically turned ON after setting is complete. ● During alert setting, press the “ ” button to switch to different channels for setting their respective high/low temperature alarms. ● Three times to return to the current temperature value. ● On the outdoor maximum/minimum temperature display screen, hold down the “ ” button for about 3 seconds to clear current value (Displays “--.-” for 3 seconds). This will reset the MAX/MIN temperature record to the currently displayed value. ● The default unit of temperature is °C. ● Press “ ” to switch the unit from°C to °F. 8 Displays of temperature 10 TEMPERATURE ALERT SETTINGS ● To view outdoor maximum, press the “ ” button. ● Once to show the maximum temperature value. ● Twice to show the minimum temperature value. 9 Maximum/Minimum temperature display EN09EN10 ● When the current temperature exceeds the set HIGH&LOW temperature range, the alert alarm will be activated and sound, the corresponding value and icon will blink. Press any button to stop the alarm, the alarm will be silent and come on again if still exceeds the temperature range. ● If multiple outdoor transmitters are connected, and one triggers an alarm, the display will automatically switch to the alarming channel (regardless of being in cycle mode or fixed channel display). The alarm sounds and the corresponding value/i…

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

Fuzhou Gaoxinqu Jinshuoguo Electronic Technology Co., Ltd. 2nd floor, Building 14, No. 18, Yaoxi Road, Yaosha Village, Nanyu Town, Minhou County, Fuzhou City, Fujian Province China Date: 08-19-2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BW52-EN2073TX FRN: 0038665642 US Agent – Attestation Statement / Part 2.911(d)(7) Fuzhou Gaoxinqu Jinshuoguo Electronic Technology Co., Ltd. certifies, that as of 08-19-2026, we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2BW52-EN2073TX. Fuzhou Gaoxinqu Jinshuoguo Electronic Technology Co., Ltd., accepts to maintain an agent of service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. FCC US Agent, LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of Fuzhou Gaoxinqu Jinshuoguo Electronic Technology Co., Ltd. for FCC ID: 2BW52-EN2073TX. Designated Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, Company: Fuzhou Gaoxinqu Jinshuoguo Electronic Technology Co., Ltd. Designated Agent: FCC US Agent, LLC Company Representative: Lan Yu Designated Agent Representative: Tim Payne Signature: Signature:

Appendix-EN2073TX-Photos Reference No.: WTA26D06174433WPage 3 of 10 2. Photographs –Constructional Details 2.1. EUT – External View Model EN2073TX FCC ID: 2BW52-EN2073TX Appendix-EN2073TX-Photos Reference No.: WTA26D06174433WPage 4 of 10 Appendix-EN2073TX-Photos Reference No.: WTA26D06174433WPage 5 of 10 Appendix-EN2073TX-Photos Reference No.: WTA26D06174433WPage 6 of 10

Label and Label Location

Appendix-EN2073TX-Photos Reference No.: WTA26D06174433WPage 7 of 10 2.2. EUT – Internal View Model EN2073TX FCC ID: 2BW52-EN2073TX Appendix-EN2073TX-Photos Reference No.: WTA26D06174433WPage 8 of 10 Appendix-EN2073TX-Photos Reference No.: WTA26D06174433WPage 9 of 10 Appendix-EN2073TX-Photos Reference No.: WTA26D06174433WPage 10 of 10 ======End====== ANT

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 9 TEST REPORT Referen ce No. .................... : WTA26D06174433W002 FCC ID ................................ : 2BW52-EN2073TX Applicant ............................ : Fuzhou Gaoxinqu Jinshuoguo Electronic Technology Co., Ltd. Address .............................. : 2nd floor, Building 14, No. 18, Yaoxi Road, Yaosha Village, Nanyu Town, Minhou County, Fuzhou City, Fujian Province Manufacturer .................... : Fuzhou Gaoxinqu Jinshuoguo Electronic Technology Co., Ltd. Address .............................. : 2nd floor, Building 14, No. 18, Yaoxi Road, Yaosha Village, Nanyu Town, Minhou County, Fuzhou City, Fujian Province Product ............................... : Transmitter Model(s). ............................ : EN2073TX Standards........................... : FCC 47CFR Part 2 Subpart J Section 2.1091 Date of Receipt Sample .... : 2026-06-24 Date of Test ....................... : 2026-06-29 to 2026-07-23 Date of Issue ...................... : 2026-08-19 Test Result ......................... : Pass Remarks: The res ults shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Estel Qian / Pro ject Engineer Deval Qin/ Designated Reviewer Reference No.: WTA26D06174433W002 Page 2 of 9 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2. Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2. CONTENTS ............................................................................................................................................... 2 3. REVISION HISTORY ................................................................................................................................. 3 4. GENERAL INFORMATION ....................................................................................................................... 4 4.1. GENERAL DESCRIPTION OF E.U.T.................................................................................................... 4 4.2. DETAILS OF E.U.T. ......................................................................................................................... 4 4.3. TEST FACILITY ................................................................................................................................ 5 4.4. SUBCONTRACTED ........................................................................................................................... 5 4.5. ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................ 5 5. TEST SUMMARY ...................................................................................................................................... 6 6. RF EXPOSURE ......................................................................................................................................... 7 6.1. DEFINITIONS ................................................................................................................................... 7 6.2. METHOD OF EVALUATION ................................................................................................................ 7 6.3. EVALUATION RESULTS .................................................................................................................... 9 Reference No.: WTA26D06174433W002 Page 3 of 9 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 3. Revision History Test Report No. Date of Receipt Sample Date of Test Date of Issue Purpose Comment Approved WTA26D06174433W002 2026-06-24 2026-06-29 to 2026-07-23 2026-08-19 Original - Valid Reference No.: WTA26D06174433W002 Page 4 of 9 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4. General Information 4.1. General Description of E.U.T. Product Name: Transmitter Model No.: EN2073TX Model Description: N/A Test Sample No.: 1-1/1 Hardware Version: EN2073(MA)R2 Software Version: YX8305_V12 4.2. Details of E.U.T. Frequency Range: 433.92MHz Type of Modulation: ASK Antenna installation: Spring Antenna Note: #: The antenna gain is provided by the applicant, and the applicant should be responsible for its authenticit y, WALTEK lab has not verified the authenticity of its information. Battery: DC 3V from AA battery * 2 Reference No.: WTA26D06174433W002 Page 5 of 9 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4.3. Test Facility The test facility has a test site registered with the following organizations: ISED CAB identifier: CN0013. Test Firm Registration No.: 7760A. Waltek Testing Group Co., Ltd. Has been registered and fully described in a report filed with the Industry Canada. The acceptance letter from the Industry Canada is maintained in our files. Registration number 7760A, October 15, 2016. FCC Designation No.: CN1201. Test Firm Registration No.: 523476. Waltek Testing Group Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. Registration number 523476, September 10, 2019. 4.4. Subcontracted Whether parts of tests for the product have been subcontracted to other labs: Yes No If Yes, list the related test items and lab information: Test Lab: N/A Lab address: N/A Test items: N/A 4.5. Abnormalities from Standard Conditions None. Reference No.: WTA26D06174433W002 Page 6 of 9 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 5. Test Summary Test Items Test Requ…

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

Spring Antenna Model: EN2073TX Manufacturer: Fuzhou Gaoxinqu Jinshuoguo Electronic Technology Co., Ltd.

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 16 TEST REPORT Reference No..................... : WTA26D06174433W001 FCC ID ................................ : 2BW52-EN2073TX Applicant ........................... : Fuzhou Gaoxinqu Jinshuoguo Electronic Technology Co., Ltd. Address ............................. : 2nd floor, Building 14, No. 18, Yaoxi Road, Yaosha Village, Nanyu Town, Minhou County, Fuzhou City, Fujian Province Manufacturer .................... : Fuzhou Gaoxinqu Jinshuoguo Electronic Technology Co., Ltd. Address ............................. : 2nd floor, Building 14, No. 18, Yaoxi Road, Yaosha Village, Nanyu Town, Minhou County, Fuzhou City, Fujian Province Product .............................. : Transmitter Model(s). ............................ : EN2073TX Standards .......................... : FCC 47CFR Part 15 Subpart C Section 15.231 Date of Receipt Sample .... : 2026-06-24 Date of Test ....................... : 2026-06-29 to 2026-07-23 Date of Issue ..................... : 2026-08-19 Test Result ........................ : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Estel Qian/ Project Engineer Deval Qin /Designated Reviewer Reference No.: WTA26D06174433W001 Page 2 of 16 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 CONTENTS ............................................................................................................................................... 2 3 REVISION HISTORY ................................................................................................................................. 3 4 GENERAL INFORMATION ....................................................................................................................... 4 4.1 GENERAL DESCRIPTION OF E.U.T.................................................................................................... 4 4.2 DETAILS OF E.U.T. ......................................................................................................................... 4 4.3 TEST MODE .................................................................................................................................... 4 5 EQUIPMENT USED DURING TEST ......................................................................................................... 5 5.1 EQUIPMENTS LIST ........................................................................................................................... 5 5.2 MEASUREMENT UNCERTAINTY ......................................................................................................... 6 5.3 TEST EQUIPMENT CALIBRATION ....................................................................................................... 6 5.4 TEST FACILITY ................................................................................................................................ 6 5.5 SUBCONTRACTED ........................................................................................................................... 6 6 TEST SUMMARY ...................................................................................................................................... 7 7 RADIATED SPURIOUS EMISSIONS ....................................................................................................... 8 7.1 EUT OPERATION ............................................................................................................................ 8 7.2 TEST SETUP ................................................................................................................................... 9 7.3 SPECTRUM ANALYZER SETUP ........................................................................................................ 10 7.4 TEST PROCEDURE ........................................................................................................................ 11 7.5 SUMMARY OF TEST RESULTS ........................................................................................................ 11 8 DURATION TIME AND SILENT PERIOD ............................................................................................... 13 8.1 TEST PROCEDURE ........................................................................................................................ 13 8.2 TEST RESULT ................................................................................................................................ 13 9 EMISSION BANDWIDTH ........................................................................................................................ 15 9.1 TEST PROCEDURE ........................................................................................................................ 15 9.2 TEST RESULT ............................................................................................................................... 15 10 ANTENNA REQUIREMENT ................................................................................................................... 16 11 RF EXPOSURE ....................................................................................................................................... 16 12 PHOTOGRAPHS –TEST SETUP AND EUT .......................................................................................... 16 Reference No.: WTA26D06174433W001 Page 3 of 16 Waltek Testing G…

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

Appendix-EN2073TX-Photos Reference No.: WTA26D06174433WPage 1 of 10 1. Test Setup photos Model EN2073TX FCC ID: 2BW52-EN2073TX 1.1 Photograph – Radiated Emissions For 9kHz-30MHz Test Site 2# For 30MHz-1000MHz Test Site 2# Appendix-EN2073TX-Photos Reference No.: WTA26D06174433WPage 2 of 10 For Above 1GHz Test Site 1#