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    SECO-LARM SK-91ERSD — Extended Range Dipole Antenna Spec Sheet

    September 08, 2026 1 min read

    Specification sheet for the SECO-LARM SK-91ERSD Extended Range Dipole Antenna, which extends the operating range of compatible SECO-LARM RF receivers up to 1,000 feet.

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    Full text manual (for reference)

    Specification sheet for the SECO-LARM SK-91ERSD Extended Range Dipole Antenna — extends the operating range of compatible SECO-LARM RF receivers up to 1,000 feet.

    Overview

    The SK-91ERSD is a dipole antenna that plugs directly into a connector on the receiver's motherboard — no extra wiring needed. It includes a 9-foot cable and double-stick mounting tape.

    Compatible Receivers

    • SK-910RA single-channel miniature receiver
    • SK-910R single-channel receiver
    • SK-910R2 two-channel receiver
    • SK-910R4 four-channel receiver

    Features

    • Extends range up to 1,000 feet for supported SECO-LARM RF receivers
    • Easily plugs into a connector on the receiver's motherboard — no extra wiring needed
    • Includes 9-foot cable
    • Double-stick mounting tape included

    Specifications

    Range Up to 1,000 feet (dipole)
    Power Supply +5VDC, ±0.1VDC (supplied by receiver's motherboard)
    Current Consumption 4.0mA
    Sensitivity 0.89μV @ -108dBm
    Frequency 315MHz
    Bandwidth 3.0MHz (-3dB)
    Cable Length 9 feet

    SECO-LARM U.S.A., Inc. — 16842 Millikan Avenue, Irvine, CA 92606 | (800) 662-0800 (domestic U.S. & Canada) / (949) 261-2999 (California & international) | www.seco-larm.com