As an Amazon Associate, we earn from qualifying purchases. Home » Oplink » DWM1301 Dwo Oplink Wireless Contact Sedoor/Window Dwo Oplink Wireless Contact Sedoor/Window Oplink . DWM1301 Attributes Brand name, Manufacturer name, ManufacturerOplink Distributor offers SellerSKUMOQIn stockMultiplePrices Newark54X78891 @ $29.99