Features:<br> brand new and high quality<br> The module adopts ESP-12S, which is based on ESP8266's low-power UART-WIFI chip module.<br> The main frequency supports 80MHz and 160MHz.<br> Scope of application:Any SD card interface that communicates via SPI can be plugged in and used directly.<br> Such as:for BIGTREETECH SKR series motherboard, GTRmotherboard, for BIGTREETECH TFT24 V1.1, for BIGTREETECH TFT35 V3.0, for BIGTREETECH TFT35-E3 V3.0 and so on.<br> Note: All SD card interfaces that communicate via SDIO mode cannot be used; For example: for BIGTREETECH TFT35 V2.0!<br> <br> Specifications:<br> The module adopts ESP-12S, which is based on ESP8266's low-power UART-WIFI chip module<br> The main frequency supports 80MHz and 160MHz<br> Spectrum range: 2412-2484MHZ<br> Logic voltage: for DC 3.3V<br> USB input voltage: for DC 5V<br> Type: without TF Card / with TF Card (optional)<br> Size: SD: approx. 24x58.3mm/0.94x2.3in<br> Transmission file name format requirements: only support the file name consisting of ASCIIcode<br> TF card memory: 128M<br> <br> Note:<br> No retail package.<br> Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.<br> Please allow 0-1cm error due to the manual measurment.<br> <br> Package includes:<br> 1 x Wireless Transmission Module<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store