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  • Cyfre SVW819 Amplifier Kit - New
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Cyfre SVW819 Amplifier Kit - New

by Cyfre
5 customer reviews

Available from these sellers.
  • Brand NEWandOEM Cyfre SVW819 Amplifier Kit
  • Cyfre Original Retail Box Packaging
1 new from $249.00
Consumer Alert: Before use, you must register this device with your wireless provider and have your provider’s consent. Most wireless providers consent to the use of signal boosters. Although AT&T, Sprint, T-Mobile, Verizon and 90 additional carriers have already given consent for all consumers to use this device, you must still register. Some providers may not consent to the use of this device on their network. If you are unsure, contact your provider. You MUST operate this device with approved antennas and cables as specified by the manufacturer. Antennas MUST be installed at least 20 cm (8 inches) from any person. You MUST cease operating this device immediately if requested by the FCC or a licensed wireless service provider. WARNING. E911 location information may not be provided or may be inaccurate for calls served by using this device.

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Technical Details


Product Description

Brand NEWandOEM Cyfre SVW819 Amplifier Kit. Cyfre Original Retail Box Packaging

Product Details

  • ASIN: B005JK3IAA
  • Item model number: SVW819
  • Average Customer Review: 3.8 out of 5 stars  See all reviews (5 customer reviews)
  • Amazon Best Sellers Rank: #855,336 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
  • Product Warranty: For warranty information about this product, please click here

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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

5 of 5 people found the following review helpful By Amazon Customer on November 15, 2012
Verified Purchase
I bought this as alternative to the much pricier Wilson amps, and I'm very satisfied. My only complaint is lack of better product description, which I'll try to improve here. I'm using a Wilson Trucker antenna, which mates to an FME connector, while the Cyfre has mini-N female connectors for both input and output. After receiving the product I figured out which connectors to order for the antenna and the FME to TS-9 pigtail that plugs into my Sierra 250U cell modem. I then ordered these:
Cellphone-Mate N Male to FME Female Connector RF Adapter
Cellphone-Mate N Male to FME Male Connector RF Adapter
which worked out fine. These are full-sized N connectors that don't screw onto the mini-N but rather slip on, but they do work. If you have an external antenna with the common FME adapter to your cell modem already, this setup should work for you. If you use the supplied mag mount, you'll just need one adapter for your cell modem, like the Cellphone-Mate N Male to FME Male Connector RF Adapter with an appropriate FME adapter for your cell modem, or an N to <your modem>, which doesn't seem to exist for mine.

It wasn't clear if this amplifier should be connected directly into the cell modem, or to an indoor antenna. I tried connecting the supplied mag-mount antenna to the output (so I could boost voice cell signals also) but didn't get much improvement. Maybe an antenna dedicated to this purpose would work.
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By Stephen Watts on December 18, 2013
Verified Purchase
Even though the CYFRE SVW819 was a good signal booster, my location prevented it from helping on the verizon network.
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By Mark42 on June 20, 2013
I have had a Cyfre CA-819 amp boosting my 3g pcmcia card for over 7 years. Its on 24/7 mounted on a wall. Have gone through 3 pcmcia cards, but this Cyfre amp just keeps on pumping out the watts. The output from the amp has about 20 feet of cable and connects to a flat panel style antenna that sends a pencil narrow beam about 7 miles to a cell tower. With this setup I get up to 1.1 Mbps download, and 600Kbps up consistently, rain or shine. The signal strength is typically in the -83 db range, even with trees in the way, and transmitting from inside the attic.

This amp blows the Wilson amp away. Test after test shows how much better this amp is than the Wilson. Don't give it a second thought. Go for it.
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By Tracie Baumann on July 5, 2015
Verified Purchase
If you need 3g this will boost a signal from near nothing to steady surfing.
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By chomper on July 13, 2015
Verified Purchase
Didn't do crap. Returned it.
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