The Bioteknix KR503-E is a compact and high-performance RFID proximity card reader designed for secure access control applications. Supporting 125kHz EM proximity cards, it enables fast and contactless authentication in offices, residential buildings, industrial facilities, and commercial sites. The KR503-E features Wiegand 26/34 output, allowing seamless integration with most standard access control systems and panels. With its IP65-rated waterproof and dustproof housing, this reader is ideal for both indoor and outdoor installations. The Bioteknix KR503-E delivers reliable performance, quick response time, and easy installation, making it an efficient and cost-effective solution for modern access control environments.