Specifications include, but are not limited to: MDOT is seeking to purchase a GSSI Ground Penetrationg Radar. MDOT’s existing GSSI existing equipment has met its service life and is in need of replacement. MDOT is seeking a replacement system with backward compatibility with the old unit. MDOT staff have been trained by GSSI on how to use the existing equipment. Emlid Reach RS2+ GPS receiver with carrying case, LoRa antenna, USB-C cable, and serial adapter cable. FLEX NX CONTTROLLER W/NX15 SATELLITE ANTENNA. System includes: SIR 4000 Data Acquisition System , AC Power Supply, Model 350 HyperStacking Antenna, Model 624 3-wheel Cart, 2.1-meter Digital Antenna Control Cable, UtilityScan Quick Start Guide, and two (2) batteries