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RTL8822CE RTL8822CU RTL8822CS COB TSSI MP FLOW

7.9. Verify Bluetooth BLE Rx Performance

To calculate the Packet Error Rate (PER)

PER%= 100*(1-(Packets Received /Packets Send)

To measure the DUT BLE Rx sensitivity to check whether Rx performance is fine or not.

The Bluetooth Rx criterion is shown as below:

Channel

SPEC

Payload Type

BLE sensitivity limit

Criterion

PHY SPEC

Bluetooth SPEC

0/3/19/22/36/39

PRBS9

PER<= 30.800 %

< -85 dBm

PRBS9

PER<= 30.800 %

< -85 dBm

LRS2

PRBS9

PER<= 30.800 %

< -85 dBm

LRS8

PRBS9

PER<= 30.800 %

< -85 dBm

Table 35: Bluetooth BLE Rx criterion

FCC Caution

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1)1) This device may not cause harmful interference,

(2)2) this device must accept any interference received, including interference that may cause undesired operati

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

authority to operate the equipment.

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.

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.

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.

This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.