TTL UART To Ethernet Mini Module, Castellated Holes With Immersion Gold Design, Highly Integrated Packaging Compact size, Easy to integrate, Low power consumption Faster To Be Integrated Into Industrial, IoT, And Security Applications Compact And Easy Integration, Castellated Holes With Immersion Gold Design, Highly Integrated Packaging, Supports Multiple Ways To Be Embedded Into Various Product Applications This product is without pre-soldered header by default, please contact the service team if you need mass customization. Supports Web And Host Computer Configuration Interfaces And Indicators, Adapting Control Pins For Easy Embedding Or Connecting To User Devices And Various MCU Master Devices. With Multiple Indicators, Easy To Monitor The Operating Status Of The Module Weight: 0.008 kg Color: As Shown Material: PC Package Contents: 1 * Module Only the above package content, other products are not included. Note: Light reflection 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.