2AVTL-M44-port UHF RFID reading module

RD-M4 4-port UHF RFID Reading Module 1 RD-M4 UHF RFID Reader User Manual Shenzhen Cykeo Information Technology Co，Ltd. RD-M4 4-port UHF RFID Reading Module 2 Content 1 Product Overview .................................................................................. 5 1.1 Product characteristics .................................................................. 5 1.2 Main uses and scope of application .............................................. 5 1.3 environment condition .................................................................. 5 1.4 Shape size ..................................................................................... 7 2 Demo Operational instructions .............................................................. 8 2.1 About Demo Software ................................................................... 8 2.2 Demo System Requirements ......................................................... 8 2.3 technical terms ............................................................................. 9 2.4 Demonstration software operation ............................................. 10 2.4.1 Connect Reader .................................................................. 10 2.4.2 Data display area ................................................................ 11 2.4.3 Write data .......................................................................... 14 2.4.4 Equipment configuration .................................................... 16 2.4.5 EPC baseband parameters .................................................. 17 2.4.6 Frequency Hopping Management ...................................... 19 2.4.7 Equipment Information ...................................................... 21 3 Packaging and Storage ......................................................................... 23 3.1 Packaging .................................................................................... 23 3.2 Storage requirements .................................................................. 23 4 Services and Support ........................................................................... 24 RD-M4 4-port UHF RFID Reading Module 3 Safety Instructions Your safety is extremely important. Read and follow all warnings and cautions in this document before handling and operating Cykeo equipment. You can be seriously injured, and equipment and data can be damaged if you do not follow the cautions. Warning Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. RD-M4 4-port UHF RFID Reading Module 4 -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. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. RD-M4 4-port UHF RFID Reading Module 5 1 Product Overview 1.1 Product characteristics RD-M4 RF module is a high-performance RFID module designed and developed by Cykeo . It is equipped with four SMA antenna interfaces. It has the leading reception sensitivity in the industry. The single tag recognition rate is fast, and the multi-tag processing ability is strong. At the same time, the reading and writing module adopts independent die opening, all-aluminium die casting, exquisite appearance, excellent heat dissipation performance. 1.2 Main uses and scope of application RD-M4 RF module has the characteristics of fast single tag identification, long tag reading distance and strong multi-tag processing ability. It is widely used in challenging application fields such as warehousing, logistics, clothing, production line management, etc. It can effectively improve the overall work efficiency and reduce the error rate. 1.3 environment condition  working temperature：－20°C～＋55°C RD-M4 4-port UHF RFID Reading Module 6   Storage temperature：－40°C～＋85°C   Humidity range：5% ～ 95%RH Power supply：DC +3.5V～+17V RD-M4 4-port UHF RFID Reading Module 7 1.4 Shape size The volume parameters of RD-M4 RF module are as follows: ： 71.5mm x 52.5mm x 7.2mm RD-M4 4-port UHF RFID Reading Module 8 2 Demo Operational instructions 2.1 About Demo Software The Demo software is used to set system parameters and perform write/read operation on Cykeo RD-M4 series reader and ISO compliant transponders 2.2 Demo System Requirements ● Supported Operating Systems Windows Server 2003; Windows XP Service Pack 2; Windows Vista; Windows 7 ; Windows 10 These systems are 64-bit operating system. The USB driver does not support 64- bit OS for the time being.. ● Required Software Windows Installer 3.0 is required. Windows Installer 3.1 or later is recommended. IE 5.01 or later is required: for installing the .NET Framework. ● Recommended hardware requirements CPU: Pentium 4 at 1.7 GHz or above RD-M4 4-port UHF RFID Reading Module 9 Memory: min. 512MB 2.3 technical terms TID: Tag identifier EPC: …

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Rev 11/20/07 Shenzhen Cykeo Information Technology Co., Ltd Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AVTL-M4 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name Schematic, Block Diagram, Operation Description Schematic Block Diagram Operation Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Sincerely, Jiani Chen / Financial assistant Shenzhen Cykeo Information Technology Co., Ltd

\\server\EMC部\1.案件总档\2020年案件总档\S\斯科\ES191205016W 斯科\资料\FCC申请资料\Word\POA_Letter_140225 RD-M4.doc Shenzhen Cykeo Information Technology Co., Ltd Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2020-3-31 SUBJECT: FCC Application for FCC ID: 2AVTL-M4 To Whom It May Concern: We, the undersigned, hereby authorize Lisa Wang at EMTEK(SHENZHEN) CO., LTD.on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by EMTEK(SHENZHEN) CO., LTD.on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, Jiani Chen / Financial assistant Shenzhen Cykeo Information Technology Co., Ltd

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FCC ID: 2AVTL-M4 RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density(mW/cm 2 ) Average Time (A) Limits for Occupational/Control Exposures 300-1500 -- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500 -- -- F/1500 6 1500-100000 -- -- 1 30 11.1 Friis transmission formula: Pd= (Pout*G)\ (4*pi*R 2 ) Where Pd= Power density in mW/cm 2 Pout=output power to antenna in mW G= Numeric gain of the antenna relative to isotropic antenna Pi=3.1416 R= distance between observation point and center of the radiator in cm Pd the limit of MPE, 1mW/cm 2 ,If we know the maximum gain of the nd total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. 11.2 Measurement Result RFID（MAX power） Antenna gain: 6 dBi modulation Channel Freq. (MHz) Measured power (dBm) Tune-up power (dBm) Max tune-up power (dBm) Antenna Gain Numeric R (cm) Evaluation result (mW/cm2 ) Power density Limits (mW/cm2 ) ASK 902.75 24.735 23 to 25 25 3.98 20 0.25045 1 915.25 24.602 23 to 25 25 3.98 20 0.25045 1 927.25 23.840 23 to 25 25 3.98 20 0.25045 1

Setup photos RADIATED EMISSION TEST