# No able to get LTE strength

Source: https://forum.modalai.com/topic/535/no-able-to-get-lte-strength
Category: General Questions (https://forum.modalai.com/category/2/general-questions)
Posted: 2021-11-01 19:41:50 UTC by Aldo Castro Freire
Replies: 2 · Views: 673

## Aldo Castro Freire · 2021-11-01 19:41:50 UTC

When running this At command:
```
echo -ne "AT+QENG=\"servingcell\"\r" | busybox microcom -t 1000 /dev/ttyUSB2
```
ON the shell I got an error, my drone is online and connected to the internet without using any VPN

## Reply by tom (ModalAI staff) · 2021-11-02 16:41:38 UTC

You can download the Sierra WP7610 AT command data sheet from here to check what AT commands are supported: https://source.sierrawireless.com/resources/airprime/software/airprime_wpx5xx_wp76xx_wp77xx_at_command_reference/

## Reply by tom (ModalAI staff) · 2021-11-02 16:41:48 UTC

You can download the Sierra WP7610 AT command data sheet from here to check what AT commands are supported: https://source.sierrawireless.com/resources/airprime/software/airprime_wpx5xx_wp76xx_wp77xx_at_command_reference/