BY-SDIS-705 can take 2 Ch x 3G/HD/SD-SDI in and output 1 Ch Channel or the other toggled by a button. It supports No-delayed switching between two inputs and delivers a single output, making it ideal for broadcast, live production, and post-production applications.

Specs
Supported Standards: SMPTE 259M (SD-SDI), SMPTE 292M (HD-SDI), SMPTE 424M (3G-SDI)
Data Rates: 270 Mbps, 1.485 Gbps, 2.97 Gbps
Inputs: 2 × BNC (3G/HD/SD-SDI)
Output: 1 × BNC (3G/HD/SD-SDI)
Switching Control: Manual button / Remote contact closure
Power Supply: DC 5~12V
Dimensions: Compact design (102 x 52 x 22 mm)
Compatibility: HDTV, broadcast cameras, recorders, monitors

Applications
To be mounted on a camera, and to take in that camera's SDI output and also take in a B camera receiver which is mounted on it. For two operators to see each other's feed, in a scenario where they are using a 7" onboard monitor that only has 1 SDI in for example and the body doesn't have a return feed option.

Package
1 x Switcher
1 x Contact Closure Remote Controler
1 × DC Power Adapter
1 x User Manual