This external DiSEqC satellite switch has 4 inputs and 1 output.

With this device you can connect 4 LNB's to one RG6 downlead to your Satellite Receiver. Is supplied with weather proof housing to protect against the extremes of the weather in Ireland and the UK

Frequency range Sat 950-2150MHz.
Insertion Loss 950MHz -2dB ±0.5dB and 2300MHz -2.5dB ±0.5dB.
Return loss Input/Output less than 8dB (typ. 10dB).
Isolation Inputs greater than 35dB (typ. 40dB).
Screening immunity 47-300MHz 85dB; 300-470MHz 80dB; 470-1000MHz 75dB; above 1000MHz 55dB max.
Current from Receiver 30mA LNB 400 mA.