Wireless door contact white SENSOR WRL WHITE 7063. Secure door alarm, ideal for home security.

Wireless door contact AJAX (black)

– Operates up to 2000 meters from Ajax Hub in open space
– uses authentication to protect against fraud
– tamper-resistant casing
– Detector response can be checked every 12-300 seconds (adjustable)
– Jamming detection, frequency hopping
– uses an encrypted connection
– Uses UK-made switches that can be toggled more than 1,000,000 times
– Two-way communication with Ajax Hub allows periodic testing and adjustment of settings
– Saves energy by adjusting power consumption based on distance from Ajax Hub
– Battery life up to 7 years
– Uses powerful magnets that can be installed up to 2 cm away from the main device
– Quality of connection and detection zones can be checked remotely
– Connects to Ajax Hub with one click

This product is likely a module for integrating AJAX systems with UART bridges.