# Wireless Communication

## 1. Pairing

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

![](https://3175993181-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LUhw7cdLeWVORgnTA3i%2Fuploads%2FCW3VQ7YSXA9Urakpk9F5%2FScreenshot%202022-07-07%20at%203.32.47%20PM.jpg?alt=media\&token=707b3400-d915-4352-8d69-0eec94269b70)

* Select Herelink Setting .

![](https://3175993181-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LUhw7cdLeWVORgnTA3i%2Fuploads%2FF1KWAAv8Geqgd79dsSB7%2FScreenshot%202022-07-07%20at%203.33.51%20PM.jpg?alt=media\&token=3bd01ff2-b29e-4234-b6cf-62ada59aef48)

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

![](https://3175993181-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LUhw7cdLeWVORgnTA3i%2Fuploads%2F9xdLOWnZeOpchkKfhr6m%2FScreenshot%202022-07-07%20at%203.34.39%20PM.jpg?alt=media\&token=4716d780-676c-44e3-8783-6e53c6a95bbb)

![](https://3175993181-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LUhw7cdLeWVORgnTA3i%2Fuploads%2FGJclJhIdS1hjnnaeYZG8%2FScreenshot%202022-07-07%20at%203.34.50%20PM.jpg?alt=media\&token=0aca5959-95a3-4f47-90c7-a56f18fcfd4d)

![](https://3175993181-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LUhw7cdLeWVORgnTA3i%2Fuploads%2FYxeAYSRHo0ArKug3x83N%2FScreenshot%202022-07-07%20at%203.35.02%20PM.jpg?alt=media\&token=c8aa75bb-0dd7-41a2-b480-ea660e8701a9)

## 2. **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://3175993181-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LUhw7cdLeWVORgnTA3i%2Fuploads%2FuXKCrsWQpWScC4KEIYJK%2FScreenshot%202022-07-07%20at%203.37.52%20PM.jpg?alt=media\&token=282c0a5c-9abf-4c13-ab05-76e4e559e361)

## 3. Frequency setting

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

![](https://3175993181-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-LUhw7cdLeWVORgnTA3i%2Fuploads%2F2MDcGYh3M5tyDKpNpgEB%2FScreenshot%202022-07-07%20at%203.40.53%20PM.jpg?alt=media\&token=175ee30c-9ee3-4007-98a6-3d2c7b7ff091)

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

  （Downlink bandwidth: select DL\_10M / DL\_20M for less interference, 20M for long diatance 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 diatance 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 buttom）
* GET STATE （upload setting）
* FREQ SCAN （Scan the current optimal frequency）