2BAKP-ZX-K301keyboard

15 minutes Si no se realiza ninguna operación durante 15 minutos Wenn 15 Minuten lang keine Operation durchgeführt wurde Si aucune opération pendant 15 minutes Se nessuna operazione per 15 minuti Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment.

Zhongxin Electronic Technology Co. , Ltd. No. 18 yinhe San Road, Qiaotou, Dongguan City, Guangdong province, China The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 04/27/2023 U.S. Agent Designation Zhongxin Electronic Technology Co. , Ltd. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2BAKP-ZX-K301): Name and company of U.S. agent: JINYUZHOU INC Physical U.S. address of agent: 1226 North King St. #192 Wilmington DE 19801 FRN of U.S. agent: 0033705906 Email address of U.S. agent: [email protected] JINYUZHOU INC acknowledges their obligation to accept service of process on behalf of Zhongxin Electronic Technology Co. , Ltd. Zhongxin Electronic Technology Co. , Ltd. with the FRN 0033538018 accepts its obligation to maintain an agent for 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. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). Sincerely, Signature Signature [Name]: He Luo [Name of U.S. agent]：Sylvia [Title]: Manager [Title of U.S. agent]：PM [Company]: Zhongxin Electronic Technology Co. , Ltd. [Company of U.S. agent]: JINYUZHOU INC 48_[mo del] US_Agent_2.911(d)(7) - U, V04

Sincerely, Name/Title： He Luo /PM Company: Zhongxin Electronic Technology Co. , Ltd. Address: No. 18 yinhe San Road, Qiaotou, Dongguan City, Guangdong province China Phone: 13620214161 Fax: N/A E-Mail: [email protected]

FCC ID: 2BAKP-ZX-K301 External Photos of the EUT Photo 1 Photo 2 Photo 3 FCC ID: 2BAKP-ZX-K301 Photo 4 Photo 5 Photo 6

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID : 2BAKP-ZX-K301

FCC ID: 2BAKP-ZX-K301 Internal Photos of the EUT Photo 1 Photo 2 Photo 3 2.4G PCB Antenna FCC ID: 2BAKP-ZX-K301 Photo 4

1. Antenna Description: Antenna type PCB antenna Model ZX-K301 Frequency range 2400-2500MHz Manufacturer Zhongxin Electronic Technology Co. , Ltd. ANT Peak Gain 2.03 dBi 2. Antenna Photo: 3. Test Equipment & Conditions 3.1 Test instrument VSWR is tested using Agilent E5071B connected to a hand mechanism, and the status is free space. 3.2 Test environment and methods 4．Antenna Radiation Pattern

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao‘an District, Shenzhen, China TEST REPORT FCC Rules and Regulations Part PART 15.249 Report Reference No..............: CTA23031500401 FCC ID...................................: 2BAKP-ZX-K301 Compiled by ( position+printed name+signature ... : File administrators Zoey Cao Supervised by ( position+printed name+signature ... : Project Engineer Amy Wen Approved by ( position+printed name+signature ... : RF Manager Eric Wang Date of issue ..................................... : Mar. 27, 2023 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : Zhongxin Electronic Technology Co. , Ltd. Address ............................................ : No. 18 yinhe San Road, Qiaotou, Dongguan City, Guangdong province, China Standard ........................................... : FCC Rules and Regulations Part PART 15.249 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., 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 .....................: keyboard Trade Mark ....................................... : N/A Manufacturer .................................... : Zhongxin Electronic Technology Co. , Ltd. Model/Type reference....................... : ZX-K301 Listed Models .................................. : ZX-K302 Modulation ....................................... : GFSK Frequency .......................................... 2403.65-2479.65MHz Ratings ............................................. : DC 1.5V From Battery Result................................................ : PASS Report No.: CTA23031500401 Page 2 of 24 T E S T R E P O R T Equipment under Test : keyboard Model /Type : ZX-K301 Listed Models : ZX-K302 Applicant : Zhongxin Electronic Technology Co. , Ltd. Address : No. 18 yinhe San Road, Qiaotou, Dongguan City, Guangdong province, China Manufacturer : Zhongxin Electronic Technology Co. , Ltd. Address : No. 18 yinhe San Road, Qiaotou, Dongguan City, Guangdong province, China Test Result: PASS 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. Report No.: CTA23031500401 Page 3 of 24 Contents 1. 0BT E S T S T A N D A R D S................................................................. 4 2. 1BS U M M A R Y ............................................................................ 5 2.1. General Remarks 5 2.2. 7BProduct Description 5 2.3. 8BEquipment Under Test 5 2.4. 9BShort description of the Equipment under Test (EUT) 5 2.5. 10BEUT operation mode 5 2.6. 11BBlock Diagram of Test Setup 6 2.7. Modifications 6 3. 2BT E S T E N V I R O N M E N T ............................................................. 7 3.1. Address of the test laboratory 7 3.2. Test Facility 7 3.3. 17BEnvironmental conditions 7 3.4. 18BSummary of measurement results 8 3.5. Statement of the measurement uncertainty 8 3.6. 20BEquipments Used during the Test 9 4. 3BT E S T C O N D I T I O N S A N D R E S U L T S .......................................... 10 4.1. 21BAC Power Conducted Emission ................................................................................... 10 4.2. Radiated Emission and Band Edges ............................................................................ 11 4.3. 20dB Bandwidth Measurement .................................................................................... 17 4.4. 31BAntenna Requirement ................................................................................................... 19 5. 4BT E S T S E T U P P H O T O S O F T H E E U T ........................................ 20 6. 4BT E S T P H O T O S O F T H E E U T .................................................. 21 Report No.: CTA23031500401 Page 4 of 24 1. 0BT E S T S T A N D A R D S The tests were performed according to following standards: FCC Rules Part 15.249: Operation within the bands 902 - 928 MHz, 2400 - 2483.5 MHz, 5725 - 5875 MHz, and 24.0 - 24.25 GHz. ANSI C63.10:2013 : American National Standard for Testing Unlicensed Wireless Devices ANSI C63.4: 2014: –American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40GHz Range of 9 kHz to 40GHz Report No.: CTA23031500401 Page 5 of 24 2. 1BS U M M A R Y 2.1. General Remarks Date of receipt of test sample : Mar. 15, 2023 Testing commenced on : Mar. 15, 2023 Testing concluded on : Mar. 27, 2023 2.2. 7BProduct Description Name of EUT keyboard Model Number ZX-K301 List Model: ZX-K302 Power Rating DC 1.5V From Battery Sample ID: CTA23031500401-1#(Engineer sample) CTA23031500401-2#(Normal sample) Operation frequency 2403.65-2479.65MHz Modulation GFSK Antenna Type PCB antenna Antenna Gain 2.03 dBi(Max) 2.3. 8BEquipment Under Test Power supply system utilised Power supply voltage : ○ 230V / 50 Hz ○ 120V / 60Hz ○ 12 V DC ○ 24 V DC ● Other (specified in blank below) DC 1.5V From Battery 2.4. 9BShort description of the Equipment under Test (EUT) This is a keyboard For more details, refer to the user’s manual of the EUT. 2.5. 10BEUT operation mode The Applicant use Key to control the EUT for staying in continuous transmitting and receiving mode for testing .There is 16 channels provided to the EUT. Channe…

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FCC ID: 2BAKP-ZX-K301 Test Setup Photos of the EUT