An innovative solution for large illuminated sign cabinets.


Keystone’s Sign Base Station is an easy-to-install solution for illuminating large LED sign cabinets, saving sign shops time and labor costs. Ideal for both retrofit and new LED sign cabinet applications, the Sign Base Station is designed for use in large, deep, double-sided sign cabinets.

HID LED lamps are the most economical way to illuminate large double-sided sign cabinets. With a long lasting useful lifetime and lamp efficiency of up to 150lm/W, Keystone’s corn cob LED lamps provide significant savings over traditional metal halide equivalents. Upgrading to HID LED lamps for illuminated sign cabinets also adds rebate eligibility for even greater savings.

Installing the Sign Base Station is easy

Simply connect the line, neutral, and ground wires of the Sign Base Station to the corresponding power source wires. Then screw in the compatible Keystone 80W or 100W HID LED G2 lamp into the lamp holder.

Features and Benefits of the Sign Base Station:

  • UL recognized for new installations and retrofits
  • Includes detachable diffuser lens
  • Listed on SAM
  • EX39 mogul based

Tech Specs

The Keystone Difference

Free samples

Friendly customer service

Fast quotes

Quick delivery

Industry-leading warranty

U.S. based