Products – Wireless

TxRx Wireless
IP Wireless

What is Wireless?

A transmitter is a device that sends radio frequency signals to a receiver.

A receiver is a device that receives radio frequency signals sent by a transmitter.For example, a receiver can be at your monitor or recorder receiving video image signals from your camera.

Analog wireless is the transmission of audio and video signals using radio frequencies. Analog wireless has a transmission range from 400 feet to 2 miles in open space; however, walls, doors, and furniture will reduce this range.

Analog wireless is available to the public in three frequencies: 900MHz, 2.4GHz, and 5.8GHz. The majority of wireless security devices operate on the 2.4GHz frequency. Most household routers, cordless phones, and microwaves operate on the 2.4GHz frequency and may cause interference.

Interference is most common when two analog wireless devices compete for same frequency. Examples of analog wireless interference can be in the form of strong static interference, large horizontal lines on the video screen rolling upward, an increased noise level, or wobbly video.

Digital wireless is the transmission of audio and video analog signals encoded as digital packets over high bandwidth radio frequencies.

Digital wireless features FHSS technology (Frequency Hopping Spread Spectrum). FHSS uses a channel hopping sequence based on an algorithm generated by the receiver. As a result, the digital wireless signal is highly secure and resistant to jamming and interference.

The 2.4GHz (2.400-2.480GHz) band is divided into sections or paths of 2MHz per section, and each second, the transmission signal hops hundreds of times in a specified sequence within this frequency range. The overall bandwidth required for frequency hopping is much wider than 2MHz; however, because transmission occurs only on a small section of this bandwidth at any given time, the signal being transmitted does not suffer from greatly reduced signal degradation and also avoids paths blocked by other devices that act as sources of competing signals. The strength of the signal being transmitted is set to be from 13.5-16dBm, which is much higher than the analog transmission signal allowed by authorities around the globe.

TxRx Information

The Analog TxRx Wireless Series

In a wireless video system, standard video and audio signals are input to the transmitter from a camera. The transmitter radio transmits these signals wirelessly via a microwave carrier to the receiver radio. The receiver outputs a standard video and audio signal on to your monitor or TV.

1. Consider The Pros & Cons First

Pros:

No Wires.

Cost effective: the cost of analog cameras is low.

Multiple receivers per camera: the signal from the camera can be picked up by many receivers, so you can have receivers in different locations and vice versa (multiple cameras).

Cons:

Susceptible to interference from household appliances, such as cordless phones and microwaves and some farm equipment. Interference may affect the quality of images from the camera.

No signal strength indicator: there is no visual alert (like the bars on a cellular phone) indicating the strength of your signal.

Susceptible to interception: because analog wireless uses a consistent frequency, it is possible for the signals to be picked up by other receivers.

One-way communication only: it is not possible for the receiver to send signals back to the camera.

2. Choose Your Wireless Distance

All TxRx wireless solutions require clear line-of-sight between antennas. Transmission will not carry through concrete, metal or any moisture dense substance. Power source is required at transmitter and receiver location.

3. Choose Your Model

The TxRx Series Comes In Three Format Options, and Each Format Comes With Four Antenna Options.

A. Made With BNC Connectors ToWork With DVRs, Multi Camera Processors & Standard cameras.

TxRx400ft-b
TxRxmobile-b
TxRx1mi-b
TxRx2mi-b

B. Made With Q-Connect To WorkWith Qcams (DualView/QuadView)

TxRx400ft-q
TxRxmobile-q
TxRx1mi-q
TxRx2mi-q

C. Made With V-Connect To WorkWith The Heavy Duty Vcam

TxRx400ft-v
TxRxmobile-v
TxRx1mi-v
TxRx2mi-v

IWireless is our supported line of IP LAN/WAN networking products.

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3 unit bundle that can extend a WI-FI.