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    SECO-LARM SK-910RD1/RD2 vs SK-910RBQ/RB2Q — RF Receiver Comparison Chart

    September 08, 2026 2 min read

    Side-by-side comparison of the new SECO-LARM SK-910RD1 and SK-910RD2 RF receivers versus the previous-generation SK-910RBQ and SK-910RB2Q models.

    💾 Download Original PDF
    Full text manual (for reference)

    Comparison chart for SECO-LARM's new SK-910RD1 (1-channel) and SK-910RD2 (2-channel) RF receivers versus the previous-generation SK-910RBQ and SK-910RB2Q models.

    New vs. Previous: 1- and 2-Channel RF Receivers

    Spec SK-910RD1 (New) SK-910RD2 (New) SK-910RBQ (Previous) SK-910RB2Q (Previous)
    Channels 1 2 1 2
    Operating frequency (base) 315MHz
    Operating frequency (w/ SK-93ERSD antenna) 315MHz and 433.92MHz N/A
    Memory capacity 15 transmitter button codes per channel
    Operating voltage 10–24 VAC/VDC
    Standby current (max) 16mA@12VDC 8mA@12VDC
    Active current (max, per channel) 60mA@12VDC 30mA@12VDC
    Relay contacts 1 2 1 2
    Relay rating Form C, 10A@14VDC Form C, 10A@24VDC or 120VAC
    Relay output functions 0.5–99 sec timed, 1–99 min timed, toggle, latch, validity (follow) 1-sec timed, 4-sec timed, toggle, latch, validity (follow)
    Programming Single tactile button, accessible from outside Mode switch + function switch (1 each per channel) inside the case
    Housing access Programming button accessible without opening case Requires opening case
    LED indicator 2-digit, 7-segment LED display 1x green power LED + 1x red status LED per channel
    OEM / private label ready Yes No
    Antenna (built-in) Hidden, internal Exposed wire
    Extended-range antenna install Simple plug-in Must cut jumpers
    RF range (base) Up to 500ft (150m)
    RF range (w/ SK-91ERSD) Up to 1,000ft (300m)
    RF range (w/ SK-93ERSD) Up to 1,000ft (300m) Not compatible
    Certifications FCC, IC, RoHS FCC, CE, RoHS
    Dimensions 4℟32" x ⅞" x 2⅛8" (107 x 23 x 60 mm) 3⅛8" x 2Ⅿ16" x 1" (80 x 65 x 25 mm)

    Note: The SK-91ERSD and SK-93ERSD Extended Range Antennas are optional accessories. Operating range varies greatly depending on installation and environment.

    Takeaway

    The new SK-910RD1/SK-910RD2 line upgrades the previous SK-910RBQ/SK-910RB2Q with: dual-frequency capability (with optional antenna), higher relay current rating, a 2-digit LED display instead of individual status LEDs, single-button external programming (no case-opening required), an internal hidden antenna, and OEM/private-label readiness — all in a smaller footprint.