Profile: Astrotel Communications Corp. is a supplier of security and surveillance systems & devices. Our product line includes audio and video transmitter sets, wireless security cameras, CCTV video recorders systems and security cameras. Our video senders are used to send the audio and video signals from a source equipment such as cable TV, satellite receiver, set-top box, camcorder to another TV in a different room. Our digital video recorder(DVR) is wireless and can be used with wired cameras & it can split the screen into 4 pictures or each one separately.