SECO-LARM - SK-939T2-GNUQ - 2-Button RF transmitter for use with all SECO-LARM 433.92MHz recievers

Product Overview

The SECO‑LARM SK‑939T2‑GNUQ is a 2‑button 433.92MHz RF transmitter compatible with all SECO‑LARM receivers, featuring over 68 billion codes, 3 channels, 500ft (150m) range, and IP66 weatherproof rating in a slim design with no ENFORCER logo. Pre‑coded and ready to use with a CR2032 battery.

Key Configuration

• • RF frequency: 433.92 MHz
• • Number of buttons: 2
• • Channels: 3
• • Code combinations: Over 68 billion (6.8 × 10^10)
• • Range: Up to 500ft (150m)
• • Dimensions: 31.5 × 55 × 8 mm

Key Features

The SK‑939T2‑GNUQ is a pre‑coded wireless RF transmitter operating at 433.92MHz, compatible with all SECO‑LARM 433.92MHz receivers for access control, gate operation, and security systems. It features over 68 billion code combinations to prevent duplication and interference, with RF anti‑scan protection and no programming required — ready to use out of the box.

Technical Context

The slimline design measures just 31.5 × 55 × 8 mm, fitting easily on keychains or in pockets, with 2 buttons and 3 available channels supporting multiple functions from a single transmitter. An LED transmission indicator lights only when buttons are pressed, confirming signal transmission, and the unit has no ENFORCER logo on the cover.

Installation Notes

Rated IP66 weatherproof for outdoor use, the transmitter offers a range of up to 500 feet (150m) and is FCC and IC certified. It uses a CR2032 replacement battery (model X‑930‑096) and features a patented design, with CODEBUMP code‑hopping models also available.