Edwards Signaling SD-4WJ SuperDuct E-Shield Duct Smoke Detector, 120/230VAC

Description

Edwards Signaling SD-4WJ SuperDuct E-Shield Duct Smoke Detector, 120/230VACCondition:* New surplus stock, in OEM packaging. As pictured. Additional Note: * Type: double ridged horn* Frequency range: 1 GHz 8 GHz* Nominal impedance: 50 * Connector: N type female* Maximum continuous input RF power: 100 W* Isotropic gain: 6 14 dBi* Antenna factor: 24 43 dB/m* Front to back ratio: avg. 20 dB* Voltage Standing Wave Ratio (VSWR): < 3:1 over the entire frequency range; < 2:1 average* Width: 241 mm (9.49 )* Height: 153 mm (6.03 )* Depth: 214 mm (8.44 )* Tripod Adapter Thread Size: * Indexed rear mounting flangeTekBox TBMA4