Video Wall Processor 2PET0204VW HDMI™ 2×4 Video Wall Processor Support 4K@60Hz through the front panel button, IR control and RS232 control 4PET0104VW HDMI™ 2×2 Video Wall Processor Supports 4K@30Hz and RS232 control 4PET0109VW HDMI™ 3×3 Video Wall Processor Supports 4K@30Hz with RS232 and IR Control