Signet Electronics Pvt. Ltd manufactures Sweep Generator with Frequency 0.4 to 465 MHz. Signet Electronics Pvt. Ltd also manufactures radio sets, radiograms, hi-fi audio systems, public address systems etc. The Sweep Generator with Frequency 0.4 to 465 MHz, Model S-4068A, is used for covering education in radio, TV, VCR and cable TV. The Sweep Generator with Frequency 0.4 to 465 MHz has 5 simultaneous markers. This Sweep Generator has built-in frequency counter. This Sweep Generator has centronics interface for direct hardcopy printout on dot matrix printer.