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    Qolsys QS5110-840

    Wireless IQ Smoke, 319.5 MHz
    57 Available

    Qolsys QS5210-840

    IQ Wireless CO Sensor, 319.5MHz
    9 Available

    Qolsys QS5535-840

    Wireless Temp Sensor
    2 Available

    Seco-Larm SK-910RBQ

    Special order. 1-Channel RF Receiver, 11~24 VAC/VDC, 315MHz, Relay Output
    0 Available

    Seco-Larm SM-226LQ

    Floor mount. Overhead Door Contact, 2 3/4" Gap, Armored Leads, Closed Loop UL listed
    25 Available

    Seco-Larm SM-4201-LQ

    Track Mount, Overhead Door, 3" Gap, Armored Leads, Closed Loop
    49 Available

    Seco-Larm SM-4303-TQ/W

    Special order 3/4" Rollerball, Recessed, Contact
    0 Available

    Seco-Larm SM-4601-L3Q

    Industrial Contact, 3" Gap, Armored CC
    16 Available

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