FCC ID: 2ACNNDSR-590 FM Transceiver

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Technical Specifications (Schedule III)

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WARNING

WARNING! Read this information before using the radio. In August 1996 the Federal Communications Commission (FCC) of

the United States with its action in Report and Order FCC 96-326 adopted an updated safety standard for human exposure to

radio frequency electromagnetic energy emitted by FCC regulated transmitters.

Those guidelines are consistent with the safety standard previously set by both U.S. and international standards bodies. The

design of the radio complies with the FCC guidelines and these international standards.

Never allow children to operate the radio without adult supervision and the knowledge of the following guidelines.

This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause

harmful interference.

For a transmitter that can only be operated with an FCC license,warningss concerning compliance with applicable licensing

requirements and information concerning license applianction procedures.

Our radio generators RF electromagnetic energy during transmit mode.

This radio is designed for and classified as“Occupational Use Only”,meaning it must be used only during the course of

employment by individuals aware of the hazards,and the ways To Minimize Such hazards.

This radio is NOT intended for use by the“General Population” in an uncontrolled environment. This radio has been tested

and complies with the FCC RF exposure limits for“Occupational Use Only”. Inaddition, our radio complies with the following

Standards and Guidelines with regard to RF energy and electromagnetic energy levels and evaluation of such levels for

exposure to humans:

---IEEE Std. 1528:2013 and KDB447498, Evaluating Compliance with FCC Guidelines for Human Exposure to Radio Frequency

Electromagnetic Fields.

---American National Standards Institute (C95.1-1992), IEEE Standard for Safety Levels with Respect to Human Exposure to

Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz.

---American National Standards Institute (C95.3-1992), IEEE Recommended Practice for the Measurement of Potentially

Hazardous Electromagnetic Fields-RF and Microwave.

The information listed above provides the user with the information needed to make him or her aware of RF exposure,

and what to do to as-sure that this radio operates with the FCC RF exposure limits of this radio.

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WARNING

Electromagnetic Interference/Compatibility

During transmissions, Our radio generates RF energy that can possibly cause interference with other devices or systems. To

avoid such interference, turn off the radio in areas where signs are posted to do so. DO NOT operate the transmitter in areas

that are sensitive to electromagnetic radiation such as hospitals, aircraft, and blasting sites.

Occupational/Controlled Use

The radio transmitter is used in situations in which persons are exposed as consequence of their employment

provided those persons are fully aware of the potential for exposure and can exercise control over their exposure.

Attention:

This radio complieswith IEEE and ICNIRP exposure limits for occupational/controlled RF exposure emvironment at operating

duty factors of up to 50% and is authorized by the FCC for occupational use only. An appropriate warning lable is affixed to all

units. In order to comply with RF exposure requirements, a minimum distance of 2.5cm must be maintained when

held-to-face, and body-worn operations are restricted to the approved original acessories (belt clip)a minimum distance of 0

mm. Do not use this device when antenna shows obvious damages.

This product is compliance to FCC RF Exposure requirements and refers to FCC website

https://apps.fcc.gov/oetcf/eas/reports/GenericSearch.cfm search for FCC ID: 2ACNN-DSR-590 to gain further information

include SAR Values.

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to

operate the equipment.

WARNING: MODIFICATION OF THIS DEVICE TO RECEIVE CELLULAR RADIOTELEPHONE

SERVICE SIGNALS IS PROHIBITED UNDER FCC RULES AND FEDERAL LAW.

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WARNING

WARNING! It is up to the user to properly operate this radio transmitter to insure safe operation. Please adhere to the

following:

Use only the supplied or an approved antenna(max gain 2.15dBi). Unauthorized antennas, modifications, or attachments

could impair call quality, damage the radio, or result in violation of FCC regulations.

If a damaged antenna comes into contact with the skin, a minor burn may result. Please contact your local dealer for a

replacement antenna.

■FCC Compliance Statements:

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.

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.

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WARNING

— 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.

■Licensing Information

Use our radio in USA is subject to the rules & regulations of FCC. Changes or

modifications not expressly approved by our may void the user authority granted by

the FCC to operate this radio and should not be made. To comply with FCC

requirements, transmitter adjustments should be made only by or under the

supervision of a person certified as technically qualified to perform transmitter

maintenance and repairs in the private land mobile and fixed services as certified by

an organization representative of the user of those services. Replacement of any

transmitter component (crystal, semiconductor, etc) not authorized by the FCC

equipment authorization for this radio could violate FCC rules.

Note: Use of this radio outside the country where it was intended to be distributed is

subject to government regulations and may be prohibited.

Important: Any changes or modifications not expressly approved by the party

responsible for compliance could void the user's authority to operate this device. Your

radio is set up to transmit a regulated signal on an assigned frequency. It is against

the law to alter or adjust the settings inside the radio to exceed those limitations. Any

adjustments to your radio must be made by qualified technicians.

Xiamen Teruite Electronic Technology co., Ltd. Agent Authorization Company: Xiamen Teruite Electronic Technology co., Ltd. Address: 4th Floor, Building 16, Huli Industrial Park, Meixi Road, Huandong Waters, Tongan District, Xiamen City, Fujian Province, China Product Name: FM Transceiver Model Number(s): DSR-590, TGK-590, DSR-8A,TGK-8A Product Description: FM Transceiver 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:

HuaQing Ye Date: 2021-07-13 Company: Xiamen Teruite Electronic Technology co., Ltd.

Xiamen Teruite Electronic Technology co., Ltd. July 13, 2021 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject: Explanation of differences between product types FCC ID : 2ACNNDSR-590 Model Number: DSR-590, TGK-590, DSR-8A,TGK-8A To Whom It May Concern:

We, The Xiamen Teruite Electronic Technology co., Ltd. hereby declare that the models are identical except the model and brand name. Except for the different above, no other modification is performed. Sincerely, Signature:

Xiamen Teruite Electronic Technology co., Ltd. Contact person: HuaQing Ye

Xiamen Teruite Electronic Technology co., Ltd.

Office of Engineering Technology

Federal Communications Commission

7435 Oakland Mills Road

Columbia, MD 21046

USA

Date: 2021-07-08

Subject; Request for Confidentiality

FCC ID: 2ACNNDSR-590

To Whom It May Concern,

Pursuant to the provisions of the Commission’s 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

External Photos

Test Setup Photos

Internal Photos

User Manual

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);

OR

For 45 days, pursuant to Public Notice DA 04-1705.

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

Xiamen Teruite Electronic Technology co., Ltd.

Contact person: HuaQing Ye

Xiamen Teruite Electronic Technology co., Ltd.

Jul 12, 2021

FEDERAL COMMUNICATIONS COMMISSIONS

Authorization and Evaluation Division

FCC ID: 2ACNNDSR-590

Dear Sir/Madam,

Subject: Extended Frequencies Justification for Certification of Transmitter with

This transmitter was designed to operate in following frequency ranges: 136-174MHz

To aid equipment authorization in other countries which accept the United States FCC Grant for

Certification, Xiamen Teruite Electronic Technology co., Ltd. is requesting that the FCC lists the

frequencies 136-174MHz, under FCC Rule Parts 90 on the FCC Grant.

Xiamen Teruite Electronic Technology co., Ltd. attests that the Is FM Transceiver will not be marketed

to USA users with the frequency band which is not allowed by the rule part 90. Per the FCC’s KDB634817

guidance, as an alternative to listing the exact frequencies, we acknowledge that it’s a violation of the

FCC Rules if this device operates on unauthorized frequencies.

136-150.8

150.8-152.855

152.855-154

154-156.2475

157.1875-157.45

157.45-161.575

161.755-161.9625

162.0375-173.2

173.2-173.4

173.4-174

For Federal

FCC Part 90

FCC Part 90

FCC Part 90

FCC Part 90

FCC Part 90

FCC Part 90

FCC Part 90

FCC Part 90

For Federal

Also, equipment programming is the responsibility of Authorized Service Personnel, the is FM Transceiver

complies with 47 CFR Part 90.203(e), in that the operator cannot directly program the transmit

frequencies using the normally accessible external controls.

Please contact me if you require any additional information.

Sincerely Yours,

Signature:

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Contact person: HuaQing Ye

Xiamen Teruite Electronic Technology co., Ltd.

FCC Part 90 Letter

Date: 2021-07-12

FEDERAL COMMUNICATIONS COMMISSION

Authorization and Evaluation Division

7435 Oakland Mills Road

Columbia, MD 21046

Subject: FCC ID: 2ACNNDSR-590

Dear Sir/Madam,

This equipment meets the requirements of the FCC Rules, Parts 90.203(e) and (g), as applicable.

Programming software of this products could ONLY program the Call ID, PTT ID,encryption, 2-Tone,

5-Tone , Scrambler ,contacts these kinds of function that will not influence on transmit and power.

The operator can not program transmit frequencies using the equipment’s external operation

controls.

This is to certify that the requirements of 47 CFR Part 90.203(j)(4) and (5) spectrum efficiency

are met by the Is Digital Radio as demonstrated by the tests conducted on the sample radio

provided.

Sincerely Yours,

Signature:

--------------------------------

HuaQing Ye

Xiamen Teruite Electronic Technology co., Ltd.

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Declaration Letter

Date: 2021-07-12

FEDERAL COMMUNICATIONS COMMISSION

Authorization and Evaluation Division

Subject: Declaration of compliance to the requirements of §15.121

7435 Oakland Mills Road

Columbia, MD 21046

FCC ID: 2ACNNDSR-590

Dear Sir/Madam,

We declare that, this scanning receiver is incapable of operating (tuning), or readily being altered

by the users to operate, within the frequency bands allocated to the Cellular Radiotelephone

Service in part 22 of this chapter (cellular telephone bands).

This device will not be able to receive transmissions in the cellular telephone bands by means of

clipping the leads of, or installing, a simple component such as a diode, resistor or jumper wire;

replacing a plug-in semiconductor chip; or programming a semiconductor chip using special

access codes or an external device, such as a personal computer.

This device is also incapable of converting digital cellular communication transmissions to analog

voice audio.

This device is designed so that the tuning, control and filtering circuitry is inaccessible. Any

attempts to modify the equipment to receive transmissions from the Cellular Radiotelephone

Service will render the receiver inoperable.

This scanning receiver rejects any signals from the Cellular Radiotelephone Service frequency bands

that are 38 dB or lower based upon a 12 dB SINAD measurement.

We are aware that the modification of this device to receive transmissions from Cellular

Radiotelephone Service frequency bands will be considered to constitute manufacture of such

equipment. This includes any individual, individuals, entity or organization that modifies one or

more scanners. Any modification to receive transmissions from the Cellular Radiotelephone

Service frequency bands voids the certification of the scanning receiver, regardless of the date of

manufacture of the original unit.

Sincerely Yours,

Signature:

___________________________

HuaQing Ye