JHCETCH's railway computers are EN50155 certified and provide hign performance and reliability. JHCETCH's SIGM series have conducted several environmental testing to ensure the performance and reliability under a variety of power supply conditions, such as voltage surges, power interruptions, and supply changeover. JHCETCH's EN50155 certified computers can also withstand environmental disturbances, such as extreme temperature, shock and vibration with special deigned M.2 connectors.

	SIGM-U3550 | Fanless In-Vehicle Computer 3U CPCI-S.0 R2.0 Enclosure, 3U CPCI-S.0 R2.0 Processor Blade , Intel Coffee lake-H CPU, 9-slot CPCI-S. 0 Backplane, 1+1 redundant 300W PSU, Intelligent Cooling design Learn More...		SIGM-2650 | Fanless In-Vehicle Computer Intel® Apollo Lake E3950 CPU, 1*LAN, 2*POE, 2*USB3.0, DP, VGA, Smart Display,2*COM, 8-bit Iso.DIO, DC 9~36V, ITPSmanagement, Optional DC 48/72/110V input. Learn More...
	SIGM-3250 | Fanless In-Vehicle Computer Intel® Skylake/Kabylake-U CPU, 2*LAN, 4*POE, 2*USB3.0, DP, VGA, Smart Display, 2*Iso. COM, 8-bit Iso.DIO, EN50155 Certification. Learn More...		SIGM-U1350 | Fanless In-Vehicle Computer Intel® Skylake/Kabylake-U CPU, MLU-220T-MXM?1*DP, 1*VGA, 1*Smart Display, 5*USB, 2*LAN, 1*SATA, 1*COM, 4*Mini PCIe, DC 110V Learn More...