FCC ID: 2A359-CT230B Lable Printer

Specification Printtechnolo Thermal printing Print resolution 300dpi Print speed 50mm/s (max.) Media type Continuous paper, gap paper Label width 20-58mm Communication type USB, Bluetooth Printer language TSPL, ESC/POS Power input Output, DC 5V=2A Supported operating system Android and Above 6, i0S10, Windows XP, Storage temperature -40~60C (-40~ 140F) Operating temperature 0-40C (41 ~ 104F) Co., Ltd Dudian Technology Shenzhen 1101, Building 3, COFCO Chuangzhi Factory, N o. 67 District, Xingdong, Xin'an, Bao'an, Shenzhen, Guangdong, China Made in China FCC Warning This device complies with Part 15 of the FCC Rules. Operation is subecttothe 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. NOTE 1: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant are to part 15 of the FCC Rules. These limits 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 hamfulinterference 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. NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. The device has been evaluated to meet general RF exposure requirement. The device type is portable. Keep a distance of at least 5mm when using this product

Label and Information FCC Label Sample FCC Label Specifications Text is Black in color and is justified. Labels are printed in indelible ink on permanent adhesive backing or silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Where the EUT is constructed in two or more sections connected by wires and marketed together, the above statement is required to be affixed only to the main control unit. When the EUT is so small or for such use that it is not practicable to place the statement on it, the above information shall be placed in a prominent location in the instruction manual or pamphlet supplied to the user or, alternatively, shall be placed on the container in which the device is marketed. FCC Label Location Page 1 of 1

Shenzhen Dudian Technology Co., Ltd. Agent Authorization Company: Shenzhen Dudian Technology Co., Ltd. Address: 1101, Building 3, COFCO Chuangzhi Factory, No. 67 District, Xingdong, Xin'an, Bao'an, Shenzhen, Guangdong, China Product Name: Lable Printer Model Number(s): CT230B, CT221D, CT321D, K21A, K21B, K21C, K31A, K31B, K31C, F31, F32, F33, F34, F35, F36 Product Description: Lable Printer We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature:

Name:

Qi Liu Date: 2022.11.01 Title:

Purchasing manager Company: Shenzhen Dudian Technology Co., Ltd.

Shenzhen Dudian Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2A359-CT230B Date: November 01, 2022 To Whom It May Concern, Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: Qi Liu Title: Purchasing manager

Shenzhen Dudian Technology Co., Ltd. Model Difference Statement Dear Sir/Madam, Added models CT221D, CT321D, K21A, K21B, K21C, K31A, K31B, K31C, F31, F32, F33, F34, F35, F36 basis of the original product CT230B. These models color of appearance and model names are different, but the circuit and the electronic construction are the same. Sincerely, Name: Qi Liu Title: Purchasing manager Company name: Shenzhen Dudian Technology Co., Ltd. Address: 1101, Building 3, COFCO Chuangzhi Factory, No. 67 District, Xingdong, Xin'an, Bao'an, Shenzhen, Guangdong, China