When the WiFi module and mobile phone are carried on the router at the same time, the transmission distance depends on the signal strength of the router.Reserved UART debug interface and STM8 SWIM program download interface.In an open environment, the maximum stable transmission distance is 100M when the mobile phone is mounted on the WiFi module.Colour:As shownMaterial:MetalPackage Contents:1 * Relay ModuleOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
