How to connect 3rd and 4th Camera?

<p>There are two solutions for DCAM002 Premimum Version: <img src="https://www.showdoc.cc/server/api/common/visitfile/sign/244ddf9da027f27faab89cc8e94b84a6?showdoc=.jpg" alt="Connect 3rd 4th camera to 4G Dashcam" title="Connect 3rd 4th camera to 4G Dashcam" /></p>