Break Free From the Network Cable Use the USB Wi-Fi Antenna to replace the network cable connecting the DVR/NVR to the internet router. Increase Security Going wireless on the network connection lets you choose more secretive spots to hide your DVR/NVR, as it no longer needs to reach the router via cable, making your video evidence more secure. Compatibility Add the USB antenna to the following recorder series: DVR-4480V, DVR-4580V, DVR-4680, DVR-4680X, DVR-4780V, DVR-4980V (4 channel) and DVR-4980 (8 and 16 channel), DVR-5580, DVR-5680, DVR-5680X, NVR-8580 and NVR-8780. They must firmware version 8 or higher. Download the latest firmware here.