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Twin LNB also called Dual LNB, is a low noise block downcoverter that contains two satellite transmission receiving modules in a single enclosure. The Dual LNB is designed to receive two separate satellite signals from the overhead satellite’s transponders and transmit them to a waiting satellite receiver. The switching between the two satellites is handled by a DiSEqC switch that must be installed between the dish and the receiver. The receiver must have the technology built into it to be able to switch between the two satellite transmissions. (continue reading…)

What is  DiSEqC Switch?

Satellite dishes have flashlight-shaped attachments known as LNBs. The LNB receives the satellite signal, much like an antenna receives an over-the-air broadcast, and sends them to your satellite receiver to be displayed on your television. Each satellite service needs a dedicated LNB. If you use multiple satellite services, such as both foreign and local broadcasting, but want to use a single receiver, you will need a DiSEqC switch. DiSEqC, which stands for digital satellite equipment control switches are used to control multiple LNBs and the signals they send. (continue reading…)

With the popularity of Freesat, it is becoming harder and harder to manage with a single LNB(or Low Noise Block Converter). Usually, a standard satellite dish installation comes with a single LNB.  This means that you can only watch one channel or record one channel but not do both at the same time.  You could opt to have a dual LNB which will solve this problem.  But what about Granny’s telly in the bedroom or little Timmy’s or the second telly in your bedroom?  Nowadays a one telly house is a rarity.  So if you want to record programs in the lounge and also have a telly elsewhere in the house you will need a Quad LNB.  (continue reading…)

This article has two parts, from it, you’ll have a more clear understanding of DiSEqC and Multi-Switch.

Part1: What’s DiSEqC Switch and MultiSwitch?

DiSEqC(Digital Satellite Equipment Control),pronounced “Die-Sec”, is a special communication protocol for use between a satellite receiver and a device such as a multi-dish switch or a small[1] dish antenna rotor. DiSEqC was developed by European satellite provider Eutelsat, which now acts as the standards agency for the protocol. (continue reading…)