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    SECO-LARM SK-910 Series ENFORCER RF Receivers — Manual

    August 31, 2026 2 min read

    Manual for the SECO-LARM SK-910 Series ENFORCER RF Receivers — one- and two-channel receivers for remote control of garage doors, gates, and other 12-24V devices.

    💾 Download Original PDF
    Full text manual (for reference)

    Reference manual for the SECO-LARM SK-910 Series ENFORCER RF Receivers — one- and two-channel receivers compatible with fixed-code and code-hopping transmitters, used to remotely trigger relays for garage doors, gates, motors, or other 12-24V devices.

    Models

    • SK-910RQ — One-channel receiver, 315MHz
    • SK-910RLQ — Low-voltage, one-channel receiver, 315MHz
    • SK-910R2Q — Two-channel receiver, 315MHz
    • SK-910RVQ — Low-voltage, one-channel receiver, transistor ground output, 315MHz
    • SK-910R-4Q, SK-910RL-4Q, SK-910R2-4Q, SK-910RV-4Q — Equivalent 433.92MHz versions

    General Specifications

    Operating Frequency 315MHz or 433.92MHz depending on model
    Memory Capacity 15 transmitter button codes per channel
    Operating Voltage 11.2~24VDC/VAC (standard); 5~13VDC (low-voltage models)
    Operating Current 8mA@12VDC standby, 30mA/channel@12VDC activated
    Relay Contact Rating Form C, 10A@24VDC or 120VAC per channel (transistor ground 5A for RVQ/RV-4Q)
    Connectors Screw terminals, +/-, N.O./N.C./COM per channel
    Dimensions 3.25" x 2.7" x 1.1" (83 x 68 x 27.5mm)

    Compatible Transmitters

    315MHz 433.92MHz Type
    SK-919TD1SQ SK-939TS1SQ 1-button, Fixed Code
    SK-919TD2AQ SK-939TS2AQ 2-button, Fixed Code
    SK-917T3AQ SK-937TS2AQ 3-button / 2-button, Code Hopping
    SK-917T2AQ SK-937TS3AQ 2-button / 3-button, Code Hopping

    Installation Notes

    • Mount out of sight, away from metal (blocks RF signal) and away from weather/moisture exposure.
    • For best range, keep the antenna wire as long and straight as possible. If receiving interference from local RF activity, the antenna wire can be folded — but do NOT cut it.

    Learning a New Button Code

    1. Press mode switch #1 (channel 1) for 3 seconds — green LED flashes quickly.
    2. While flashing, press a button on a compatible transmitter — green LED flashes once and turns off to confirm the button was learned.
    3. Repeat to learn more buttons into channel 1. Channel 2 uses mode switch #2 and the red LED (SK-910R2Q only).
    • The green LED flashes for a max of 15 seconds — if no button is pressed, the receiver exits learning mode.
    • Each channel can learn up to 15 transmitter buttons — the 16th learned button deletes the earliest one.
    • Clear all codes: Press the mode switch for 3 seconds, then when the LED starts flashing, press again for 3 seconds. LED flashes twice to confirm all codes deleted.

    Programming Relay Output Modes

    Open the case and locate jumpers LP1 and LP2 — cut as needed per the table below.

    Output Type LP1 LP2
    4-second momentary (default) Uncut Uncut
    1-second momentary Uncut Cut
    Toggle Cut Uncut
    Validity (on while button held) Cut Cut

    Note: On 2-channel models, both relays share the same output mode — you cannot mix modes between channels.

    Extended Range Antennas

    • SK-91ERSWQ — Extends range up to 900 ft (open air)
    • SK-91ERSDQ — Extends range up to 1,600 ft (open air)

    Both plug into the 3-pin antenna port on the PC board via a 9' cable. If used, the "LP3" loop on the PC board must be cut.

    Warranty

    1-year limited warranty against defects in material and workmanship under normal service.