400M Long Range Button Transmitter
Long Range Button Transmitter – Sherlotronics 400M Wireless Control
The Sherlotronics 400M Long Range Button Transmitter delivers powerful and reliable wireless performance, ideal for remote access control across extended distances. Whether you’re managing gates, garage doors, alarms, or industrial systems, this rugged and user-friendly transmitter ensures you stay connected — from up to 400 meters away.
Designed for professional-grade reliability, the device features a single-button interface, making it ultra-simple for users while maintaining high-level RF performance. It’s the go-to solution for secure and long-distance wireless control in residential, commercial, or light-industrial setups.
Extended Wireless Range & Secure Transmission
Experience up to 400 meters of dependable, interference-resistant control range in open space. Sherlotronics technology is known for superior RF engineering, providing better signal penetration and less drop-off compared to standard remotes.
- Wireless range: Up to 400m (line of sight)
- Frequency: 403MHz (standard Sherlotronics frequency)
- Security: Rolling code encryption to prevent cloning
Built Tough for Real-World Use
The transmitter casing is ruggedized to withstand daily use, making it a dependable choice for outdoor gate operations, security zones, and industrial applications.
- Design: Compact and impact-resistant
- Weather resistance: Light rain and dust proof
- Power: Long-life replaceable battery (typically 12V A23 cell)
Easy Setup With Sherlotronics Receivers
It pairs effortlessly with compatible Sherlotronics receivers, no technical expertise needed. The pairing process is quick, with LED feedback for successful registration.
- Compatibility: Works with Sherlotronics RX receivers
- Interface: 1 x push button (click-style)
- LED indicator: Confirms signal transmission
Use Cases & Applications
- Gate and garage door control
- Alarm system remote activation
- Warehouse or office remote entry
- Farming or industrial remote switching





