# Network Connectivity

### Introduction

Network Connectivity refers to physical layer of connectivity on which IoT device will communicate. This is how it fits within the [YuDash IIoT Stack](https://docs.yudash.com/device-to-cloud-api/yudash-iiot-stack):

<figure><img src="https://1858257737-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FToww5EM1cml3ouN6fvnJ%2Fuploads%2F4XnoVPjoXgmX9fAigOl5%2Fyudash_iiot_network.jpg?alt=media&#x26;token=eb320c68-1ce1-44c9-a88c-dc55fc3b5d98" alt=""><figcaption></figcaption></figure>

### &#x20;Supported Network Connectivity

YuDash IoT devices support various network connectivity options for different IIoT solutions.

<table><thead><tr><th width="218">Network Connectivity</th><th>Typical Use-Cases.</th></tr></thead><tbody><tr><td>4G/LTE</td><td>Standalone IoT connectivity through SIM card. This provides a reliable connectivity without any external dependies.</td></tr><tr><td>Ethernet</td><td><p>a) IoT gateway connected to Internet enabled LAN.</p><p>b) IoT coupled with 4G/LTE router.</p><p>c) IoT gateway connected to LAN with local/on-prem server.</p></td></tr><tr><td>WiFi</td><td><p>a) IoT gateway connected to Internet enabled LAN through WiFi.</p><p>b) IoT coupled with 4G/LTE Wifi router.</p><p>c) IoT gateway connected to LAN with local/on-prem server.<br><strong>It is important to have a strong Wi-Fi for a reliable connection</strong></p></td></tr><tr><td>LoRaWan</td><td>YuDash IoT devices do not support LoRaWan at present.</td></tr></tbody></table>

[Network Settings](https://docs.yudash.com/yudash-iot-devices/lynx-user-manual/network-settings) of YuDash LYNX manual covers documentation for network connectivity.