DCBF
The Global Communications DC Block and Power Inserter is used in distribution systems to re-inject the DC towards the LNB.

Connection to the DCB is made via a 3.5mm jack plug.

Power from the receivers is blocked.

DDCBF
The Global Communications Dual DC Block is used in distribution systems to allow two separate LNB’s or a dual output switching LNB to be powered simultaneously from a single 18v DC powered supply unit.

Connection to the DDCBF is made via a 3.5mm jack plug. 18v DC is sent to the HOR LNB and 13v to the VER LNB. Power from the receiver is blocked.

PSU/18/800
The Global Communications 18v, 800mA psu. 220-240v AC.