1/2/5x TV Aerial  2 Way 1 Male to 2 Female Metal Coaxial Signal Splitter Socket
Features:

Ideal for splitting any freeview aerial connection to provide 2 outputs from 1 aerial.
Input: 1 x male Coax Socket
Outputs: 2 x Female Coax Plugs
Range: 0-1000MHz
Size: 5x3.3x1.5cm

Package Included:

1 x TV Coaxial Signal Splitter

Detail Pictures: