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DPSRadio
 
 
 
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  • First review
    May 13, 2013
  • Last review
    May 13, 2013
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DPSRadio's Reviews
 
Grainger Item #: 4RB66
Portable Two Way Radio and Repeater System, Band Type UHF, Output Watts 2, Number of Channels 1, 450 MHz Frequency, Display Type LED, License Required Yes, FCC Narrow Band Compliant Yes, Length 5-3/4 In., Width 5-3/4 In., Height 2-1/8 In., Selectable Frequencies 77, Channel Scan No, Color Black, Includes (4) Factory Programmed Portable Radios, (1) Quad Charger for Portables, (1) Factory Programmed Wireless Intercom/Base Station Radio, Standards MIL-STD-810
 
Overall ratingĀ 
5 out of 5
5 out of 5
Yes, I recommend this product.
PostedMay 13, 2013
When a local hospital was testing the coverage of their portable radios around their campus, they discovered several "dead spot" areas where there appeared to be no coverage. After installing the Ritron Liberty repeater, not only did the coverage improve dramatically, but also, the audio quality seemed more crisp. The small, lightweight Ritron Liberty repeater was simply placed above the ceiling tiles in an office near the center of the campus along with its power supply and magnetic mount antenna.
The Ritron Liberty repeater was the perfect solution.
Product FeaturesEasy to use, Durable/Performs well, Great value for money, High Quality
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DPSRadio's Answers
 

I am looking for a loud doorbell with a flash alert on it

I would like something loud enough to hear over loud machinery and also a flashing light to alert me when I can not hear it, so the light has to be bright to catch my eye. any suggestions?
Are you looking for a hard wired system, or a wireless system? I can be of most help if you are looking for a wireless system.
1 year, 2 months ago
by
DPSRadio
 

I am looking to find a sensor that will recognize a car coming up an underground driveway andgive an audible signal to people on sidewalk

Audible signal to be wireless
sensor can be hardwired
Several types of sensors could be used, depending upon you unique setting and budget. Among the various types of sensors to consider are motion detection, "electric eye" (light beam), laser, or magnetometer (detects a change in the magnetic flux when a large object, like a car, passes by). Again, depending upon the setting and budget, this can be done wirelessly or hardwired. There are numerous visual and audible devices that could alert passersby along a stretch of sidewalk. I can help you to locate the perfect products in the Grainger catalog if you can give more specific information.
1 year, 2 months ago
by
DPSRadio