Tanna Electronics supplies Frequency Agile T.V. Channel Converter. Tanna Electronics manufactures Hybrid Modulators, Amplifier, Convertors, Power Supply, etc. The Frequency Agile T.V. Channel Converter can convert any T.V. Channel from E2 to E69 to any desired T.V. Channel at the output and is very useful for converting local Doordrashan channel to some other channel to minimise signal pickup [ingress].