Operation Manual
2
OVERVIEW 
The  CIP-39940  camera  is  capable  of  delivering  high  quality  Digital  High  Definition (HD) video to 
your smart-mobile device(s), which  would require higher internet bandwidth. Due to  your local 
internet environment condition, your mobile device(s) may display black-screen or temporary 
disconnect to the CIP-39940 camera.
* Make sure the CIP-39940 camera is operating with sufficient internet bandwidth, 1Mbps
(upload/download speed) is suggested.
* For the best performance, the smart-mobile device(s) need to be on Wi-Fi or 4G mobile 
network in order to receive maximum download speed.
* When the internet transmission is low, the APP will automatically switch to Relay
Mode:
‧ By adjusting to “Better Streaming” in the system setting section the APP 
performance may improve.
* Your internet bandwidth is limited. For best performance, avoid more than two users 
connecting to the CIP-39940 camera simultaneously.
* Make sure your smart-mobile device(s) is equipped with up-to-date technology, 1.5GHz dual 
core processor or equivalent is suggested.
* If the signal strength of your Wi-Fi router is weak, there are several ways to improve range:
‧ Change router/camera relative position to receive better signal.
‧ Use wired Ethernet cable on the CIP-39940 camera to establish connection between 
CIP-39940 camera and your router.
‧ Use Wi-Fi repeater/extender to maximize the service range of your Wi-Fi route.
‧ Switch your router to 11b/11g mode in order to improve router service range.
‧ Purchase extension cable or high gain antenna for your camera from the CIP-39940 
vendor.
* Please make sure the memory card used is CLASS10 rated.










