Vertex FVP-36 Inversion Encryption Unit Model Number: FVP-36 FVP-36 Inversion Encryption Unit Basic encryption unit keeps conversations private with inversion encryption unit. Features Specifications Documents Related Products No additional features are available for this product No additional specifications are available for this product No downloads are available for this product Motorola VX-2100/2200 Series Vertex VX-820 Series Vertex VX-920 Series Ready to talk to one of our experts? Call today or click to contact us. (800) 767-7384