Request for Class II Permissive Change

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PC11 Change Request Letter

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

PCII Change Request Letter

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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: 2020/10/12

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 portable device requires SAR testing compliance of which is not performed and demonstrated in Modular approval.

-- 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 portable device has been replaced, and the replacement

antenna specifications are shown in the following table:

Operation Frequency

Antenna types, Antenna Gain

Bluetooth: 2402MHz-2480MHz

PIFA Antenna, 2.9dBi

Bluetooth LE: 2402MHz-2480MHz

PIFA Antenna, 2.9dBi

802.11b/g/n/ax: 2412MHz-2472MHz/2422MHz-2462MHz

PIFA Antenna,

Antenna1:3.1dBi, Antenna2:2.9dBi

802.11a/n/ac/ax: 5180MHz-5240MHz, 5190MHz-5230MHz,

PIFA Antenna,

5210MHz-5210MHz, 5250MHz-5250MHz, 5260MHz-5320MHz, Antenna1:2.3dBi, Antenna2:2.9dBi

5270MHz-5310MHz, 5290MHz-5290MHz, 5500MHz- 5700MHz,

5710MHz-5710MHz, 5720MHz-5720MHz, 5530MHz-5690MHz,

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:

Title: Manager

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



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