OP24B, Wireless RF 433MHz, 30m Range, Battery Powered, Surface Mount, No Wiring Needed
The S4A OP24B is a cordless wireless RF door release switch operating on 433MHz frequency, designed for rapid wall mounting without trenching or wire installation to the door frame.
Product Overview
Save time and eliminate cable installation costs with the OP24B wireless door release switch. Paired with any 433MHz access control receiver module, this battery-powered switch can be surface mounted anywhere—on glass partitions, drywall, reception desks, or wood paneling—using 3M adhesive or screws, transmitting instant encrypted release pulses up to 30 meters.
Why Buy This Product
Zero Wall Cutting or Wiring
Mounts in minutes on finished surfaces where running cables is structurally impossible or prohibited.
Ideal for Reception Desks
Stick under or on top of front-office desks to provide receptionists with instant door release.
Multi-Year Battery Life
Draws power only during the millisecond click transmission, lasting years on a single coin battery.
Best for These Applications
Frameless Glass Doors
Solves the classic challenge of installing exit switches onto glass walls without visible wires.
Historic & Leased Buildings
Install without modifying landlord drywall or violating historic preservation rules.
Key Advantages
- Reliable 433MHz Radio Signal:Strong RF penetration cuts through commercial drywall, timber, and glass with minimal signal loss.
- Flexible Multi-Button Pairing:One receiver can learn multiple OP24B buttons to control a door from multiple points.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 0.08 |
| Shipping Weight | 0.12 |
| Button Type | wireless-switch |
| Material | Fireproof ABS Plastic |
| Dimensions | 86 x 86 x 14 mm |
| Mechanical Life | 300,000 operations |
| Wireless Protocol | RF 433MHz |
| Remote Control Distance | Up to 30 meters line of sight |
| Suitable For | Glass Doors & Partitions, Drywall Partitions, Reception Desks |
| Operating Temp | -20°C to 55°C |
| Stock | 8 |
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