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View Full Version : PowerMax DA4000: Cellular Phone Signal Booster


Kris Kumar
11-16-2005, 09:30 PM
<div class='os_post_top_link'><a href='http://www.digitalantenna.com/cellamp_DA4000.html' target='_blank'>http://www.digitalantenna.com/cellamp_DA4000.html</a><br /><br /></div><i>"Digital Antenna’s PowerMaxTM 3 watt Dual Band Cellular Amplifier improves communication by bringing maximum power to all bands of your cell phone. This bi-directional amplifier features Dynamic Variable Gain Control to regulate the amplifier’s output to any cell carrier’s tower. This patent pending technology allows clean and clear functioning of the cell phone, whether under the tower or 30 miles away without power overloading or saturation. Combine the DA4000 with any of Digital Antenna’s cellular antenna product line and increase the gain of your cellular phone up to 30dB."</i><br /><br /> <img src="http://www.smartphonethoughts.com/images/Kris-nov05-powermaxbooster.jpg" alt="User submitted image" title="User submitted image"/> <br /><br />This is a cell phone signal booster with a difference, a big difference. Instead of a flimsy patch that is pasted to the back of the cell phone. This booster has an antenna, that is positioned at a place where it can receive a strong signal, like outside the building. And the booster amplifies the signal from the external antenna and re-transmits it inside the building using another antenna. The cell phones receive the re-transmitted signal, which is stronger. :-) Has anyone over here tried this product or a similar one? Given the poor cell phone signal strength inside our homes and offices at some places, it makes sense to have a booster installed. In case you are interested, you can buy one from <a href="http://www.cyberguys.com/templates/searchdetail.asp?T1=142+1020&amp;dept=&amp;search=&amp;child=">here</a> for $249.00.

Sven Johannsen
11-16-2005, 11:16 PM
Looks like the company has an amplifier which cables to your cell phone, and an amplifier/repeater which does, as you say, repeat a stronger signal inside from an antenna outside. Looks like Cyberguys is selling the amplifier which cables to the phone.

Ah, they do sell the repeater http://www.cyberguys.com/templates/searchdetail.asp?s=SD&amp;T1=142+1015&amp;ta=detail_img&amp;dept=&amp;search=&amp;child=&amp;pi=Y&amp;st=9 for $450.

Kris Kumar
11-18-2005, 12:26 AM
Oops! :oops: Got lost on the site. :-( I read the amplifier/repeater stuff in the CyberGuys snail mail catalog. Was impressed. But got lost while searching for the pages. :oops:

Thanks Sven, for posting the correct link. Here is the link to the product page on the PowerMax site.
http://www.digitalantenna.com/cellamprep_DA4000MR.html