- 3G 1card-Board 4-Channel Radio Shock Recorder (RO-3G-1K-CZ4L)
- 2016-11-06 10:55
- RO-3G-1K-CZ4L man carrying mobile wireless transmission equipment, video surveillance via 3G networks is full-time video
- Digital Data Transmission (RO-5830)
- 2016-10-25 08:53
- 1. For real-time transmission of high-quality audio, video, control signals. Number of digital data transmission network