TERADEK SERV V Mount Camera Back Wireless HD-SDI H264 Encoder. The Teradek Serv is a camera-back or table-top wireless video transmitter that offers real-time monitoring on up to 10 smartphones and tablets at very low latency. Serv operates over 2.4/5GHz WiFi and comes in both AB- and V-mount varieties, making it suitable for most professional camera rigs. The device offers an HD-SDI input and supports streaming in both 720p and 480p. For multi-camera setups, Serv is compatible with the free TeraView monitoring application for iOS, allowing users to view up to 4 live Serv or Cube streams at one time.