As an Amazon Associate, we earn from qualifying purchases. Nortek Security and Control GRD-2 Linear Electrical Accessories Nortek Security and Control . GRD-2 Gallery Attributes Brand name, Manufacturer name, ManufacturerNortek Security and Control CategoryIdL3Electric Locks CategoryL1Windows and Door Hardware CategoryL2Door and Window Security Hardware Extra Product NameNortek Security and Control GRD-2 Linear Electrical Accessories atoms, moq, multiple, tierMinQty11 MPN, SKUGRD-2 qtyInStock0 snippet<p>2-Channel Gate Receiver, Auto Voltage Sensing - no Jumpers to set, two Form A Relays, Supplied with Whip Antenna, 3 Ft. of Coaxial Cable, Bulkhead Connector, 128 Codes set by Dip Switch, 310 MHz RF Frequency</p> tierPrice178.93 Distributor offers SellerSKUMOQIn stockMultiplePrices DK HardwareGRD-2111 @ $78.93