Product DescriptionHere’s a long professional description for the [CDVI RADIUM RS1 Transmitter]() one-button remote, with no dashes or links:
---
The CDVI RADIUM RS1 transmitter is a sleek and compact one channel remote designed for secure wireless access control applications. Operating at 433 MHz and utilising high-security rolling code encryption, it prevents unauthorized replication of signals and supports a wireless range of up to 820 feet (250 metres) line of sight. Powered by dual 3 V lithium cells and featuring an ergonomic housing, the unit offers reliable performance with minimal installation or maintenance effort. Compatible with the RADIUM wireless receiver series it allows convenient control of gates, doors and automation systems without the need for wiring. Its slim design and rugged construction make it ideal for residential, commercial and industrial grade deployments where ease of use and security matter.