User's Manual

Table Of Contents

Wi-linktech Communication Technologies (Shanghai) Co.,Ltd.

Frequency spectrum to be investigated

For host products with certified modular transmitter， the frequency

range of investigation of the composite system is specified by rule in

Sections 15.33(a)(1) through (a)(3)， or the range applicable to the

digital device， as shown in Section 15.33(b)(1)， whichever is the higher

frequency range of investigation.

Operating the host product

When testing the host product， all the transmitters must be operating.

The transmitters can be enabled by using publicly-available drivers and

turned on，so the transmitters are active. In certain conditions it might

be appropriate to use a technology-specific call box (test set) where

accessory devices or drivers are not available.

When testing for emissions from the unintentional radiator， the

transmitter shall be placed in the receive mode or idle mode， if possible.

If receive mode only is not possible then， the radio shall be passive

(preferred) and/or active scanning. In these cases ， this would need to

enable activity on the communication BUS (i.e.， PCIe， SDIO， USB) to

ensure the unintentional radiator circuitry is enabled. Testing

laboratories may need to add attenuation or filters depending on the

signal strength of any active beacons (if applicable) from the enabled

radio(s). See ANSI C63.4， ANSI C63.10 and ANSI C63.26 for further general

testing details.

The product under test is placed into a normal ‘paired' mode with

another BLE device， as per the normal intended use of the product (for

example， transferring data).

FCC Statement

Any Changes or modifications not expressly approved by the party

responsible for compliance could void the user's authority to operate the

2019.03

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