Request for Class II Permissive Change

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C2PC Cover letter

DT Research, Inc. 600-AX200NG WLAN Module YE3600-AX200NG YE3600AX200NG 600 ax200ng

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Document DEVICE REPORTGetApplicationAttachment.html?id=5076445
DT Research, Inc.

Request for Class II Permissive Change

FCC ID: YE3600-AX200NG To: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046

Date: 2020/12/28

Please be notified that we, the undersigned, (DT Research, Inc.) declare that the reasons for this Class II permissive change are as below:

--RF module used in this fixed device requires RF exposure evaluation.

-- Host product also contains a DT Research WLAN/BT Module which has been authorized under FCC ID: YE3600-AX200NG dated on 05/25/2020.

--The antenna of the RF module used in this fixed device has been replaced, and the replacement antenna

specifications are shown in the following table:

Operation Frequency

Original Antenna types, New Antenna types,

Antenna Gain

Antenna Gain

Bluetooth: 2402MHz-2480MHz

PIFA SkyCross Antenna, PIFA Antenna, 2.1dBi

3.24dBi

Bluetooth LE: 2402MHz-2480MHz

PIFA SkyCross Antenna, PIFA Antenna, 2.1dBi

3.24dBi

802.11b/g/n/ax:

PIFA SkyCross Antenna, PIFA Antenna,

2412MHz-2472MHz/2422MHz-2462MHz

Antenna1:3.24dBi,

Antenna1:1.9dBi,

Antenna2:3.24dBi

Antenna2:2.1dBi

802.11a/n/ac/ax:

PIFA SkyCross Antenna, PIFA Antenna,

5180MHz-5240MHz, 5190MHz-5230MHz,

Antenna1:5dBi,

Antenna1:3.1dBi,

5210MHz-5210MHz, 5250MHz-5250MHz,

Antenna2:5dBi

Antenna2:3.2dBi

5260MHz-5320MHz, 5270MHz-5310MHz,

5290MHz-5290MHz, 5500MHz- 5720MHz,

5510MHz-5710MHz, 5530MHz-5690MHz,

5570MHz-5570MHz, 5745MHz-5825MHz,

5755MHz-5795MHz, 5775MHz-5775MHz,

-- The RF power of the host product will be reduced by software at the time of production and cannot be adjusted by the end user. And the RF output power of the main antenna in MIMO mode is lower than in SISO mode.

Sincerely, Print Name: JS Hsu Signature:

DT Research, Inc. Title: Manager

On behalf of Company: DT Research, Inc. Telephone: 886-2-2298-1039 ext. 309 E-mail: [email protected]



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