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== Receivers ==4DTV has been manufactured under different company names, such as Next Level, G.I, and Motorola. G.I is currently owned by Motorola. Next Level was only a subdivision of G.I and this name is no longer in use. == Equipment ==The DSR-922 is now recommended as the older 920 will not receive some of the programming available. Also, when the battery goes dead in older 920 units the ID is lost and the unit becomes a brick.<BR><nowiki>*</nowiki> A used DSR-922 should run about $250 average price.* DSR-921 was a receiver marketed for use in Canada.Only General Instrument consumer level receivers are called 4DTV receivers, those made by Motorola, the sole owner of the technology. There are no other manufacturers of 4DTV satellite receivers. Although 4DTV receivers have a renewable security slot, this slot currently serves no purpose. Any receiver that uses a CAM, H-Card or Hu-Card is not a 4DTV receiver.To use 4DTV you need a big dish. You need an 8ft dish minimum, although 10ft is better. The dish must be motorized as the 4DTV channels are provided by multiple satellites in space. People living in the midwest can possibly get by with a 6ft dish. Individuals living on the east or west coast of North America will be best served by a 10ft or larger dish.4DTV Dish and Receiver configuration examples:1. DSR922 receiver on a 10ft motorized dish with Chapparell dual lnb Corotor ll. There is a combination Ku and C band LNB available that will work with linear transponders. You can also use the same dish to receive FTA channels, but you will have to add another LNB to the unit and use a seperate FTA receiver. To move the dish you will have to use the 4DTV receiver and then to view the FTA channels you will have to use the FTA receiver - which is kinda less than ideal, but a way to use one dish for all.Many experts expect 4DTV to become obsolete by about 2010. However, since 4DTV is used for the primary feeds to cable and small dish providers, and has much higher quality over DVB, it may be around much longer. 4DTV isn't really meant for the consumer, it is meant for other providers to receive primary feeds that they bundle and rebroadcast to the consumer.Many experts expect 4DTV to become obsolete by about 2010. However, since 4DTV is used for the primary feeds to cable and small dish providers, and has much higher quality over DVB, it may be around much longer. The transmissions were not really meant for the consumer, it is meant for other providers to receive primary feeds that they bundle and rebroadcast to the consumer. However, 4DTV as a term is meant for direct consumer marketing.=== JTag ===This is the illegal use of equipment modified to receive paid subscription programming free.