I am a product Manager for PDL in New Zealand. We are a leading manufacturer and supplier of domestic and industrial electrical equipment to New Zealand and several other countries. Please visit for more details We are looking to purchase RF modulators to complement our home network distribution system.  The modulator would need:  4 input video (composite) plus stereo audio inputs (RCA) ,  Infrared ability-one IR output per input Channels 21-68 selectable (UHF band 470-862MHz)  Modulated RF Output via an RJ45 connector. (100Ohms balanced)  We are looking at this as an ongoing product.