# Wireless Communication

## Pairing

From the "App Launcher" screen, slide down the notification drawer from the top of the screen.

Select **Herelink Settings**

![](https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2FJYf1wvK7hZ0JOQDyU58k%2FScreen%20Shot%202022-07-31%20at%207.48.20%20AM.png?alt=media\&token=9703275b-811d-464c-8806-ef4eb5c20640)

Click Pair button and then hold the **Pair/Reset** button on Air Unit until LED2 blinks.

![](https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2F4KqaMTvFMITTYsWfSJSS%2FScreen%20Shot%202022-07-31%20at%2012.07.15%20PM.png?alt=media\&token=d6e45fc1-af1e-498f-87ce-a2e486759160)

![](https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2FgToHPzlwWEineImGAdAg%2FScreen%20Shot%202022-07-30%20at%2011.42.34%20PM.png?alt=media\&token=769405e0-f866-4901-877f-e9b1cce2edf6)

![](https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2FGV6y04oKgkHR8czpTcay%2FScreen%20Shot%202022-07-31%20at%2012.07.23%20PM.png?alt=media\&token=facafa55-3c7e-441b-8a7c-f89196da2403)

![](https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2FsQVSRxFOu1o2KIUxNnlz%2FScreen%20Shot%202022-07-31%20at%2012.07.36%20PM.png?alt=media\&token=362ba0ef-f424-40b1-b10b-c2872fc7c627)

## **Selecting FCC/CE settings**

Select the region you are residing in or matches closest to your locations policy from Country under **Herelink Settings** main screen.

![](https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2FRkbTJ5fJ829bZT3fl2mb%2FScreen%20Shot%202022-07-31%20at%2012.09.03%20PM.png?alt=media\&token=843e722e-b4bf-466c-8e0f-1842f4638ca1)

## Frequency Setting

Click **FREQUENCY** in Herelink Settings screen to adjust frequency range.

![](https://852512312-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVrcyBmQ9GGCFzH6hj8Sm%2Fuploads%2Fy2cLeZen9v1zo7xaTy64%2FScreen%20Shot%202022-07-31%20at%2012.09.53%20PM.png?alt=media\&token=a415da6b-f976-4c28-a814-7d983b127cda)

* Freq (Fixed frequency selection, used to set frequency manually）
* DL BW

  （Downlink bandwidth: select DL\_10M / DL\_20M for less interference, 20M for long distance control. 1.4M is preferred in multiple interference scenarios）
* Uplink bandwidth: select UL\_1.4M / UL\_10M / UL\_20M for less interference, 20M for long distance control. 1.4M is preferred in multiple interference scenarios
* Hopping

  （downlink signal hopping switch, You are advised to enable this mode to automatically select the best working frequency）
* Tx Ant （Antenna select）
* PAIR （Pair button）
* GET STATE （upload setting）
* FREQ SCAN （Scan the current optimal frequency）