A VGA splitter is merely a device that splits the signal to distribute to two or more monitors/projectors. An additional VGA cable may be required if you are using a splitter device and in some cases a splitter cable. The signal is amplified up to 150'. 

Extron 60-506-01  $149.00

Additional VGA Cables required.

AVTG 2623801 6' VGA M-M       $25.00
AVTG 2623807 10' VGA M-M     $35.00
AVTG 2623802 15' VGA M-M     $40.00

Kramer VP-200  $90.00

Additional VGA Cables required.

AVTG 2623801 6' VGA M-M       $25.00
AVTG 2623807 10' VGA M-M     $35.00
AVTG 2623802 15' VGA M-M     $40.00