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RF recording system records 2x25MHz blocks

05 Mar 2013  | Janine Love

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QRC Technologies has recently unveiled their wide band transcorders (WBTs). The company's WBTs make it possible for carriers to record and playback RF signals to evaluate radio signals all over the world.

I recently spoke with QRC Technologies QRC's CTO, Tom Callahan about this new product. He explained that although he's wanted to create a WBT for years, the "technology finally allows us to do this for less than $60k, weighing less than 10lbs, and with a touch screen interface."

Another notable feature is that the WBT uses an open file format to record the data. "So you can collect signals off the air, and run the data through MATLAB. (This is great for universities). Other tools have their own file format that only works on their equipment," notes Callahan. "We have always been good at making things simple. This product is intentionally designed it to be friendly to whoever might want to use it."

wide band transcorders

Figure: RF recording and playback system aids interference and quality of service (QoS) identification and resolution.

The WBT can record 2x25MHz blocks of spectrum between 50MHz and 4.4GHz. It is physically stackable with other WBTs, to enable simultaneous recording/playback oflarger chunks of spectrum. The top unit can remotely control the other WBTs.

In addition, it contains an embedded GPS disciplined oscillator (GPSDO), Gigabit Ethernet and eSATAp ports, removable CFAST flash card and two bays that use 2.5" solid-state disc drives for continuous recording. An optional lightweight power pack enables more than two hours of use.

Pricing for the WBT begins at $59,995 and is available for order immediately for July shipping.

For more information visit

- Janine Love

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