Request for Class II Permissive Change

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C2PC Cover letter

DT Research, Inc. 600-AX200NG Mobile Tablet YE3600-AX200NG YE3600AX200NG 600 ax200ng

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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: 2022/06/07

Please be notified that we, the undersigned, (DT Research, Inc.) declare that the reasons for this Class II

permissive change are as below:

-- Host product(Model: 316T) also contains a DT Research WLAN/BT Module which has been authorized

under FCC ID: YE3600-AX200NG, Granted at 05/25/2020.

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

replacement antenna specifications are shown in the following table:

Operation Frequency

Original

New

Antenna types,

Antenna types,

Antenna Gain

Antenna Gain

Bluetooth: 2402MHz-2480MHz

PIFA Antenna, 3.2dBi PIFA Antenna, 2.0dBi

Bluetooth LE: 2402MHz-2480MHz

PIFA Antenna, 3.2dBi PIFA Antenna, 2.0dBi

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

PIFA Antenna,

Antenna1:3.2dBi,

Antenna1:2.0dBi,

Antenna2:3.2dBi

Antenna2:2.6dBi

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

PIFA Antenna,

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

Antenna1:5dBi,

Antenna1:4.1dBi,

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

Antenna2:5dBi

Antenna2:3.9dBi

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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