switch MESH networking UART interface 2W long distance single-channel

Built-in hardware anti-crash protection circuit<br> Built-in software watchdog algorithm<br> Sensitivity: -132 dBm<br> Working temperature range: -40℃-+85℃<br> Product application: switch remote control, security system, wireless remote access control, water pump wireless control<br> Colour:As Shown<br> Material:ABS + Metal<br> Transmitting and receiving frequencies can be configured arbitrarily<br> Multiple working modes optional<br> Built-in hardware reset protection circuit<br> Anti-overcurrent, overvoltage, reverse connection protection circuit<br> Built-in anti-static protection circuit<br> LoRa modulation mode<br> Support wireless parameter modification<br> Package includes:<br> 1 x remote wireless single-channel switch control module(Due to different factory batches, the product words are different, and the product accessories have slight differences in color and appearance, but it does not affect normal use)<br> The package includes only the items listed above; other items are not included.<br> Note: Lighting and display differences may cause the item's colour to vary slightly from the picture. Please allow a measurement tolerance of +/- 1-3cm.