Introducing the Citizen WLAN interface with standard antenna, designed to fit seamlessly with CL-S521, CL-S621, and CL-S700 printers. This high-quality product, weighing just 0.07kg, is the perfect solution for wireless connectivity. Manufactured by CITIZEN, the original part number IF5-WF5S ensures compatibility and reliability.Upgrade your printer with this top-notch WLAN interface for efficient and seamless wireless printing.