Most all hidden cameras and spy cameras today still operate on the 2.4 GHz frequency range and many times there is interference from other devices like wireless Internet routers that can make it a headache trying to get them to work properly. This article explores a few different ways to get around the frequency interference issue. First, we explain some basic information about what you need to under stand first.
What is a 2.4 GHz wireless frequency? – A frequency is used to transmit a signal or data like video. 2.4GHz is the specific wireless frequency that our transmitters use to send video signal to a receiver. All of our wireless cameras operate on the 2.4 GHz frequency. Range varies from 200′ to 700′ depending on environmental conditions.
Will a cordless phone interfere with wireless cameras? – Cordless phone that operate on the 2.4 GHz frequency will cause interference with 2.4 GHz cameras. Interference should be minimal and usually occurs if the phone is between the camera and receiver.
How far can a wireless hidden camera transmit? – Standard wireless hidden cameras can transmit up to 1000 feet and high-powered wireless hidden cameras can transmit up to 2000 feet.
Transmission range is the same for both 2.4 & the new 5.8 GHz frequencies as shown below.
2.4 GHz w/spread spectrum – 300 to 2000 feet
5.8 GHz w/spread spectrum – 300 to 2000 feet
Are the new 5.8 GHz spy camera/hidden cameras better than 2.4 GHz models? Or is this just the latest marketing scheme?
Why higher frequencies can be better?
Many people think that just because a spy camera or hidden camera uses a higher frequency its range will be better. In reality, the physics of wireless technology is a little more complicated. There are 3 main factors that affect the quality and strength of a hidden camera signal: traffic, how the frequency handles obstructions, and output wattage.
Using a specific range of frequencies assigned by the Federal Communications Commission (FCC), spy cameras send and receive surveillance audio and video with technology similar to that of an FM radio. Unfortunately, many other devices—including cellular phones, ham radios, wireless routers, walkie-talkies, baby monitors, and pagers—are also constantly transmitting wireless signals in the air around you. When any of these devices uses the same frequency or bandwidth as your phone, interference is created.
This is where the FCC plays an important role. In order to prevent interference, the FCC determines which devices are allowed to transmit within specific ranges. When a range reaches its traffic capacity, the FCC will usually open up another range of frequencies for use.
The Hidden Cameras shown at this link have USER CHANGEABLE 8-CHANNELs that HELPS ELIMINATE INTERFERENCE FROM OTHER 2.4GHz DEVICES
The hidden cameras like the Air Purifier Hidden Camera on the left have eight USER CHANGEABLE channels, up to eight units can secure you home or business simultaneously.
Completely concealed inside this fully functional personal air purifier is a tiny CCD camera and FCC Approved 2.4Ghz video transmitter. The color model automatically switches to B&W in low light. Great for keeping a video record visitors to your office or for home or office security.
Eight channel capability insures a very low possibility of interference with other 2.4GHz devices such as cordless phones and wireless routers. Line of site range is 700 feet.
There is also a high power twelve channel models offer 3000 ft. line of site range. Actual range will vary depending on terrain and ambient RF interference at your location.
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