Well the technology differs a bit. The NSA implant was a passive retroreflector implant, which when illuminated by powerful radio waves, broadcasted back what

Well the technology differs a bit. The NSA implant was a passive retroreflector implant, which when illuminated by powerful radio waves, broadcasted back what was being typed, or what was visible on screen. This seems to be more of a tiny chip that captures and stores keystrokes etc.