EAGLEEYE DIGITAL EXTENDER – DIGITAL EXTENDER FOR EAGLEEYE IV AND EAGLEEYE ACOUSTIC CAMERAS. Increase the flexibility of your video conference needs by mounting your EagleEye IV or EagleEye Acoustic cameras up to 330 feet away from your Group Series system. The digital extender provides a separate power supply for the connection between the camera and video conferencing system, letting you extend the cable length between the two ends of the system.