Wireless Internet Cameras: Advantages And Disadvantages Explained

Wireless internet cameras are simply cameras with IP capability. They transmits both video and audio signals to a wireless receiver. This is usually via Wi-Fi. A few have celluar modems. Many of these cameras require at least one wire for power, even though the name may suggest otherwise. However, some wireless cameras have even begun to include batteries. This makes them truly wireless for limited periods.

Due to their low installation costs, wireless cameras are becoming increasingly popular in security and industrial applications. There's no need to run expensive cabling systems with flexible mounting options. Wireless security cameras can be utilized in settings that were previously inaccessible.

Ease-of-use and ease-of-access are two interesting attributes of wireless security cameras. The added ability for users to provide seamless, streaming video over the internet has allowed for increased security. This is even true at very remote sites.

The actual technologies used by wireless cameras vary greatly. Still, the same basic method of data transmission is shared among them all. Using radio frequencies, data is sent back and forth. The data transmission method does have two distinct options with respect to signaling. There are analog and digital options.

Analog Wireless Transmission

  • Advantages: Require a digital-conversion DVR to truly be "internet cameras". Multiple receivers per camera. The signal from one camera can be picked up by any receiver. This provides a little more redundancy for viewing / monitoring.
  • Disadvantages: Uses more common frequencies. Can be impacted by interference. This can come from microwaves, cordless phones, video game controllers, and other devices.

Digital Wireless Transmission

  • Advantages: All true "internet cameras" are digital. Wide transmission range. Higher quality audio and video. Two-way communication. Support for control commands.
  • Disadvantages: Requires a dedicated receiver for each camera. This changes the dynamic for multiple viewers / monitors. Even so, multiple receivers can still be connected to a single recording device for archiving.

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