The Seco-Larm SK-919T1-GBDQ is a compact 1-button RF transmitter designed for secure and reliable wireless control with up to 256 selectable code combinations via an 8-pin DIP switch. With a 500-foot range and compatibility across all SECO-LARM 315MHz SK-series receivers, it’s perfect for access control, gate automation, and more.

• Features 8-pin DIP switch for 256 unique code settings

• Supports long-range operation up to 500 feet (150m)*

• LED indicator shows transmission status and low battery warning

• Compatible with all SECO-LARM 315MHz SK-series receivers

• One receiver can be paired with multiple transmitters