Optical amplifier and photo-detector

Sitc of 14 zone microprocessor based automatic fire detection main control panel,augmentation in the all existing afd system,sitc of photo electric smoke detector,sitc of ionization smoke detector,sitc of electropneumatic type dual action heat detector,sitc of electronic hooter or conventional hooter with lmt,sitc of response indicator for existing panel of visual indication,sitc of manual call point,supplying and fixing of 20mm size of steel conduit,supplying and fixing of 25mm size steel conduit size,supplying and drawing frls pvc insulated copper conductor, single core cable size 2x1.5sqmm,supplying and drawing frls pvc insulated copper conductor, single core cable size 3x1.5sqmm,supplying and drawing frls pvc insulated copper conductor, single core cable size 4x1.5sqmm,supplying and drawing frls pvc insulated copper conductor, single core cable size 5x1.5sqmm,supplying and drawing frls pvc insulated copper conductor, single core cable size 6x1.5sqmm,supplying and drawing frls pvc insulated copper conducto