Inovonics EN1235SF EchoStream Single-Button Fixed Position Hold-up Transmitter, 902-928 MHz, Black

Put fast, reliable panic signaling at the heart of your security infrastructure with the Inovonics EN1235SF single-button fixed position hold-up transmitter. Designed for commercial monitoring and intrusion alarm applications, this compact hold-up transmitter delivers immediate, single-button activation to speed response and protect staff and assets. Built on Inovonics’ EchoStream platform, the EN1235SF operates on 902–928 MHz frequency hopping spread spectrum for robust, interference-resistant wireless performance. The unit includes a back tamper for secure fixed installation, an LED that flashes with every transmission for instant visual confirmation, and a long-life Panasonic CR2 battery plus a 3-minute check-in supervision to simplify maintenance and uptime. UL-listed and RoHS-compliant, the transmitter integrates seamlessly with existing alarm panels and monitoring services to support security, surveillance, and facility safety programs. Ideal for retail counters, bank teller stations, healthcare nurse stations, and other high-risk points, the EN1235SF delivers dependable panic signaling where it matters most. Add the EN1235SF to your next security deployment or contact us to discuss integration with your monitoring system.

• One-touch panic activation for immediate alarm signaling, reducing response time in emergencies
• Rugged surface-mount design with back tamper to protect fixed installations and prevent tampering
• EchoStream 902–928 MHz FHSS provides reliable wireless communication for commercial security systems
• Visual LED confirmation on every transmission for fast status checks and simple maintenance
• UL-listed and RoHS-compliant for code-ready, dependable deployment in retail, healthcare, and banking environments
• Long-life Panasonic CR2 battery and 3-minute check-in supervision minimize maintenance and ensure continual monitoring