information systemtrain communication networkswayside monitoring and diagnostic systemtrain test equipment closeproductsserverscontrol and monitoring servercontrol and monitoring server ms26passenger information serverpassenger information server pc08crew displaycrew display ds15controllersio controllerio controller ms28event recorderer controller and hmm er10 mm01public address amplifierpublic address amplifier pc07crew communication panelcrew communication panel pc11passenger emergency intercompassenger emergency intercom pc06mobile gatewaymobile gateway ns10powerline train gatewaypowerline train gateway ns11peripheralsdestination sign sg03sensorsshunt 100 0815wayside monitoring and diagnostic systemfleetwisetrain test equipmentbench test equipmenttestwise bench test equipmentportable test unitstestwise portable test unittraining aidstraining aidscablescables closeservicesproject management full service project deliverysystem integration trusted network system integratorengineering in house engineering expertisetesting and commissioning on site production supportmanufacturing operational excellencecustomer care long term product support closewhy qtprojectsnjt new commuter rail vehiclesmbta 2011 new passenger locomotiveswmata new metro vehiclesmbta 2013 retrofit commuter railmarta retrofit metro vehiclespatco overhaul commuter railmbta 2009 new commuter rail vehiclesrapid kl new and overhaul light rail closeabout qtkey factsmanagement teamnewsresourcessupplierssupplier excellence awards closecareers close we re here for ... rail manufacturers fleet operators consultants a comprehensive suite of onboard train electronics that enables efficient revenue service operations and maintenance management . for vehicle equipment wayside data management system that provides superior fleet performance by collecting and analyzing fleet operational and maintenance data . for maintenance solutions portable and bench test equipment that facilitates rapid troubleshooting of onboard products and shortens maintenance turnaround times . for electronic test equipment who we are we are a leading manufacturer supplier and integrator of train electronics and software solutions for the passenger rail and locomotive industries in north america . learn more what we do we design and manufacture modular scalable electronic products for rail vehicle manufacturers and fleet operators enabling the efficient movement of people and goods . learn more what we promise total trainlife care our commitment to stand behind our products to maximize their useful life and to reduce your total cost of ownership . flexible solutions your one stop shop that combines in depth engineering expertise manufacturing capacity and revenue service track record . operational excellence more than 20 years delivering rail projects on time and on budget while adhering to the highest standards . lunch & learn request interested in learning more about quester tangent solutions simply enter your company email address and someone will be in touch with you shortly . phone number company email address commentsthis field is for validation purposes and should be left unchanged . featured projects & news download our latest whitepaper the internet of trains a layman s guide this guide will help the non technical decision makers better understand the potential of train data . browse our products reliable products suited to your needs browse our complete suite of electronic products designed to integrate with new or existing train equipment . read our latest news approved supplier for nyct september 20 2016 quester tangent is now confirmed as a qualified vendor for nyct . proudly supplying quester tangent is a leading north american manufacturer supplier and integrator of train electronics and software solutions for the passenger rail and locomotive industries with more than 20 years of industry experience and thousands of units in revenue service . the company is iso9001 2008 certified . keep up to date with qt email address i agree i would like to receive regular communications from qt . commentsthis field is for validation purposes and should be left unchanged . explore rail vehicle manufacturersfleet operatorsconsultants contact 6582 bryn roadsaanichton bc v8m 1x6canada more resourcescareers contact us 1 855 510 7837 client support 2016 quester tangent sitemap privacy policy terms of use