Signet Electronics Pvt. Ltd manufactures Colour Pattern Generator with 60dB Attenuator. Signet Electronics Pvt. Ltd also manufactures radio sets, radiograms, hi-fi audio systems, public address systems etc. The Colour Pattern Generator with 60dB Attenuator, Model S-9144, offers Xtal derived PLL stability at all channels. The Colour Pattern Generator with 60dB Attenuator consists of full numerical keys from 0 to 9. This Generator has frequency ranging from 32MHz to 860MHz. This Generator has 5.5 MHz sound output.