The TX128-E2 by CDVI is a hand-held transmitter with 2 transmission channels. Data is protected by AES128-bit encryption. This hand-held transmitter is ideal for triggering automatic doors, gates, and lights in a high security environment. With data transmission protected by both KeeLoq® rolling code and AES128 encryption, the TX128-E2 offers a high security solution over two transmission channels. Additionally, this transmitter is ergonomically designed for comfort and transmits up to 250m in open field. Hand-held radio frequency transmitter Protected by AES128 encryption Data encoded by KeeLoq® rolling code 2 transmission channels Ideal for automatic doors, gates, and lights Up to 250m range in open field