It says that WS-CAMERA1 and WS-VIDEO-RECORDER can communicate with each other in the bee line distance of 1.2 kilometer, what are the conditions?
The test condition is that, the 2 transceivers are tested in the open air, without any object in the beeline, and the antennae of 900 meters can be less doubtful. Can WS-CAMERA1or WS-VIDEO-RECORDER be controlled through PC to power on or power off the camera?
No, not at the moment. If the file format for WS-CAMERA1 and WS-VIDEO-RECORDER MPEG4?
File format is *.avi, applying moving JPEG compression. What is the maximum storage size of WS-VIDEO-RECORDER?
under 8G(include 8G). If the antenna is curved, would the transmission range be affected?
No, theoretically, given that the surrounding of the antenna is clear, and the characteristic of the antenna is acceptable. Is it mandatory that these 2 ports to be set as 7788 and 8080?
These 2 ports can be set to any number, but testing is recommended after the setting. According to the specification, the working temperature ranges from 0 to +50?. Does that imply that it won? work below 0?
0?~+50? is under stated, in real cases, it might still work below 0? Does the reset key in WS-VIDEO-RECORDER function as power off?
There is a difference between reset and power off. Power off is to power on and off through firmware; while reset is to power off through hardware. In case the system hangs, one has no other way but to press on reset key.

• 
• 
• 
• 
• 
• 
•