Description
Compact, cost-efficient STROBESWITCH detector and power module that opens gates when emergency vehicle strobe signals are detected. Ideal for security gates, fire department garages, and access-controlled facilities that require fast, reliable preemption without radio interference.
- Mounting: 1/2" female pipe hub mounting base enables secure installation on gates, posts, or enclosures.
- Detection method: Optical, line-of-sight STROBESWITCH detects the continuous strobe signal from emergency vehicles and activates a relay when the signal format is correct.
- Signal compatibility: Interfaces with TOMAR 780–1228–PRE or GTT OPTICOM preemption emitters for compatible traffic preemption and access control systems.
- Range and field of view: Typical detection range up to 200 feet, with a 10° vertical and 90° horizontal field of view for reliable reception.
- Acquisition time and status: Signal acquisition time of 0.64 seconds; red status LED illuminates when a proper optical signal is received and is visible through the viewport (up to 25 feet).
- Frequencies and discrimination: Uses F14 (14.035 Hz ±.25 Hz) as high priority and F10 (10.000 Hz ±.25 Hz) as low priority with digital frequency discrimination to reject non-target sources.
- Unit specs: Range 200 ft typical; Field of View 10° vertical x 90° horizontal; Acquisition time 0.64 s; Frequency specifics above; compatible with preemption emitters.
- Power module and outputs: 1790M–2 power module operates on 12–24 VDC with a DPDT relay output rated 2 A at 30 VDC (0.6 A at 120 VAC); includes 0–30 minute time delay, continuous latch mode, and remote reset.
- Environmental resilience: Designed for indoor or outdoor use, in bright sunlight or adverse weather; line-of-sight operation ensures predictable performance and is not susceptible to RF interference.
This combination provides a practical, dependable solution for opening gates or activating devices in response to emergency vehicle preemption signals. Use cases include securing fire department garages, controlling access at limited-entry facilities, and coordinating gate operations at loading docks or campuses. For verification and maintenance, the unit’s status LED offers a quick visual confirmation, and the system is designed to integrate smoothly with compatible preemption emitters for a streamlined, low-maintenance setup.



