INSTR,INSTL,GRD Linear P/N: 220812 A Material: 20 Lb. Mead Bond Size: 8.500" x 11.000" Ink: Black Scale: 1-1 GRD GRD-2 DELTA- 3 GATE RECEIVER Installation Instructions (800) 421-1587 • www.linearcorp.com DESCRIPTION The GRD is a digital receiver designed for use with automatic gate op erator s or systems where a remote antenna is needed ...