2AX4G-KL-QC08Wireless Paging System

Wireless Paging System 1. Functional Diagram 2. Parameter Host Pager Input Power DC12V/2A Battery Li-ion 3.7V 300mAh Frequency 433.92MHz Frequency 433.92MHz Transmit Power 26dBm Standby Current <12mA Standby Power <120mW Standby Duration 10h Modulation Type FSK Sensitivity -115dBm Max Capacity 998 pagers Max Distance 800m-1000m Dimensions 190*130*40mm Prompt Mode Vibration/Buzzer/Flashing Output DC5V/2A*2 Prompt Time 30s 3. Instructions for Use A. Before using Wiring: Host connects to power source via adapter. Charging base connects to host via Type-C cable. The pager is placed on the charging base. The charging indicator on the pager lights up to indicate normal status. Charging Indicator Information: Pager Flashing Charging Always On Full Charged B. Operating Instruction CALL mode is the default mode. Continuously press Delete button (←) to return Call Mode while in other mode. C--- is displayed in CALL mode. Input the number and press CALL button to call the corresponding pager. C. Mute mode Press MUTE and 999 (S999 displayed) then press CALL, all charging pagers change to MUTE mode. Press MUTE and 000 (S000 displayed) then press CALL, all charging pagers change to normal mode. In MUTE mode, all pagers only vibrate and flash while being called. Continuously press DELETE button (←) to return CALL mode. (C--- displayed) D. Call History Press ∨/∧ button to page up/down. When you find a number you want to call again, you can directly press the CALL. Continuously press DELETE button (←) to return CALL mode. (C--- displayed) You can check up to 10 recent call history. Note: No looping of ∨/∧. E. One-Call-Off In CALL mode, press 999 and CALL, all charging pagers will be off. Re-charge pagers will turn on again. Note: This instruction is invalid to the pagers not being charged. F. Program Operation All pagers are programmed before delivery. So this operation is only necessary when adding new pagers or changing numbers. Put the pagers on the charging base, press P and 999 (P999 displayed), then press CALL to enter programming mode. The operation must be finished in 20 seconds after pagers are charged. In programming mode, all LED display of the pagers will keep flashing. Then input number and press CALL, all pagers display this number. Move the top pager away, the pager will beep once and stop flashing. It means the pager is programmed. Repeat the steps to program other pagers. Note: The pagers will quit programming mode if no operation within 1 minute. All pagers’ numbers will not change if not being programmed. 1 pager only can be programmed 1 number. Old number will be replaced by the new one. 4. Instruction Description Instruction Buttons Display Function Programming Mode P+999+CALL P999 To enter programming mode History ∨/∧ H + Number Check recent 10 call records. Mute Mode +999+Call S999 All charging pagers switch to MUTE mode. Quit Mute Mode +000+Call S000 All charging pagers quit MUTE mode. Call pagers [Number]+Call C+[Number] The corresponding pager begin to remind. 5. Common Troubles and Solutions Trouble Analysis Solution The pager can’t be programmed. 1.The pager is not being charged. 2.Charging is more than 20s. 1. Make sure the pagers are well charged. 2. Try again within 20s after recharging. The pager can’t be One-Call-Off The pager is not being charged. Make sure the pagers are well charged and try again. The pager doesn’t response. 1. The pager is out of power. 2. Out of call range. 1.Use after full charged. 2.Use within range of call. FCC Statement 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. Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Shenzhen Kelvin Electronics Co., Ltd. Date: 2020-11-26 Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Shenzhen Kelvin Electronics Co., Ltd. Hereby declares the following statement for FCC, PCB board, structure and internal of these model(s) are the same, Only models name is different for these models: Product name: Wireless Paging System Trade Mark: KELVINRF Model No.: KL-QC08, KL-QC03, KL-QC05, KL-QC20,KL-QC168 (Signed) Name / Title: Candy Chen/General Manager Company: Shenzhen Kelvin Electronics Co., Ltd. Address: Floor 4, Block 23, Lianchuang Technology Park, Bulan Road,Nanwan Street, Longgang District,Shenzhen,China Phone: 86 755 89673075 Fax: 86 755 89673454 E-Mail: [email protected]

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 <2020-11-26> TO WHOM IT MAY CONCERN Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID 2AX4G-KL-QC08 Model name KL-QC08, KL-QC03, KL-QC05, KL-QC20,KL-QC168 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name / Title: Candy Chen/General Manager Company: Shenzhen Kelvin Electronics Co., Ltd. Address: Floor 4, Block 23, Lianchuang Technology Park, Bulan Road,Nanwan Street, Longgang District,Shenzhen,China Phone: 86 755 89673075 Fax: 86 755 89673454 E-Mail: [email protected]

Shenzhen Kelvin Electronics Co., Ltd. Add: Floor 4, Block 23, Lianchuang Technology Park, Bulan Road,Nanwan Street, Longgang District,Shenzhen,China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2020/11/26 To whom it may concern: We, Shenzhen Kelvin Electronics Co., Ltd. the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2AX4G-KL-QC08 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name / Title: Candy Chen/General Manager Company: Shenzhen Kelvin Electronics Co., Ltd. Address: Floor 4, Block 23, Lianchuang Technology Park, Bulan Road,Nanwan Street, Longgang District,Shenzhen,China Phone: 86 755 89673075 Fax: 86 755 89673454 E-Mail: [email protected]

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 EXTERIOR PHOTOGRAPHS Fig. 1 Fig. 2 Transmitter Receiver SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 Fig. 3 Fig. 4 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 Fig. 5 Fig. 6 Antenna

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 _____________________________________________________________________________________________________ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.. Page 1 of 1 LABEL AND LOCATION (Size: L3.0m x 3.0cm) Label Location Wireless Paging System Model No.: KL-QC08 FCC ID: 2AX4G-KL-QC08 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.

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 INTERIOR PHOTOGRAPHS Fig. 1 Fig. 2 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 Fig. 3 Fig. 4 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 Fig. 5

SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 Report No.: LCS201105003AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 29 FCC TEST REPORT For Shenzhen Kelvin Electronics Co., Ltd. Wireless Paging System Test Model: KL-QC08 Additional Model No.: Please refer to page 6 Prepared for : Shenzhen Kelvin Electronics Co., Ltd. Address : Floor 4, Block 23, Lianchuang Technology Park, Bulan Road,Nanwan Street, Longgang District,Shenzhen,China Prepared by : Shenzhen LCS Compliance Testing Laboratory Ltd. Address : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel : (+86)755-82591330 Fax : (+86)755-82591332 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : November 09, 2020 Number of tested samples : 2 Sample number : 201105003A-1, 201105003A-2 Serial number : Prototype Date of Test : November 09, 2020 ~ November 13, 2020 Date of Report : November 16, 2020 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 Report No.: LCS201105003AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 29 FCC TEST REPORT FCC CFR 47 PART 15C (15.231) Report Reference No. ................. : LCS201105003AEA Date of Issue ................................... : November 16, 2020 Testing Laboratory Name ............. : Shenzhen LCS Compliance Testing Laboratory Ltd. Address ........................................... : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Testing Location/ Procedure ........... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name .......................... : Shenzhen Kelvin Electronics Co., Ltd. Address ........................................... : Floor 4, Block 23, Lianchuang Technology Park, Bulan Road,Nanwan Street, Longgang District,Shenzhen,China Test Specification Standard .......................................... : FCC CFR 47 PART 15 Subpart C Test Report Form No. ..................... : LCSEMC-1.0 TRF Originator ................................ : Shenzhen LCS Compliance Testing Laboratory Ltd. Master TRF ..................................... : Dated 2011-03 Shenzhen LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Shenzhen LCS Compliance Testing Laboratory Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test Item Description. .................. : Wireless Paging System Trade Mark ...................................... : KELVINRF Test Model ...................................... : KL-QC08 Ratings ............................................ : Input: DC 12V/2A Result ............................................ : Positive Compiled by: Supervised by: Approved by: Linda He/ File administrators Jin Wang/ Technique principal Gavin Liang/ Manager SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 Report No.: LCS201105003AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 3 of 29 FCC TEST REPORT Test Result Positive The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCS201105003AEA November 16, 2020 Date of issue Test Mode............................... : KL-QC08 EUT........................................ : Wireless Paging System Applicant............................... : Shenzhen Kelvin Electronics Co., Ltd. Address.................................. : Floor 4, Block 23, Lianchuang Technology Park, Bulan Road,Nanwan Street, Longgang District,Shenzhen,China Telephone.............................. : / Fax......................................... : / Manufacturer........................ : Shenzhen Kelvin Electronics Co., Ltd. Address.................................. : Floor 4, Block 23, Lianchuang Technology Park, Bulan Road,Nanwan Street, Longgang District,Shenzhen,China Telephone............................... : / Fax......................................... : / Factory.................................. : Shenzhen Kelvin Electronics Co., Ltd. Address................................... : Floor 4, Block 23, Lianchuang Technology Park, Bulan Road,Nanwan Street, Longgang District,Shenzhen,China Telephone.............................. : / Fax......................................... : / SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 Report No.: LCS201105003AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 4 of 29 Revision History Revision Issue Date Revisions Revised By 000 November 16, 2020 Initial Issue Gavin Liang SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 Report No.: LCS201105003AEA This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 5 of 29 TABLE OF CONTENTS 1. GENERAL INFORMATION .................................................................................................................................... 6 1.1. DESCRIPTION OF DEVICE (EUT) ........................................................................................................................ 6 1.2. OBJECTIVE ............…

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SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 _______________________________________________________________________________________________ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 1 of 2 Test Setup Photos of the EUT Radiated Emissions Fig. 1 Fig. 2 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD. FCC ID: 2AX4G-KL-QC08 _______________________________________________________________________________________________ This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd. Page 2 of 2 Conducted Emissions Fig. 3