DFS/LASER DFS LASER TX Right PRG 911 DFS LASER TX Obsolete, no replacement;LASER PRG 920 TX 68115F DFS laser RX Obsolete, no replacement; DFS LASER RX Obsolete, no replacement; PRG11-I MSD (old name DFS ) 470722 B obsolete, replaced by DSP/LASER Kit; DSP/LASER Kit MOD. PS 1101 PRG920 alternative for PRG 911 -I 1342651 51752 obsolete, no replacement;