How the UHF reader in market working from S4A UHF reader?

Today, I tested our UHF card reader.And uhf card readers of other companies on the market.The card reader on the left is on the market, it is from another factory....if you want left one or right one? of course right model price is higher too. contact me at : [e-mail]

[@user-eg6rs9ex1f]

I have the same meter connected to an arduino uno r3 with an RS232 TTL converter. However, I'm having hard time with the source code, and I was wondering if you could kindly help me please!

[@StBaNc]

ayudeme , con asesoria, tengo el UFH de la derecha del video (led en el centro), lo conecte al arduino pero al momento de leer las etiquetas siempre sale un valor diferente

[@abdulfatawadam116]

Hello. How can I reach the creator of this video