Dr. Jonathan Kramer's Cell Tower Photo Gallery

Copyright 2000-2017 Dr. Jonathan Kramer

Image search results - "rf"
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CornucopiaMicrowave Horn in Las Vegas, New Mexico106 viewsThis is a 'cornucopia' (high performance) microwave antenna at the CenturyLink Central Office in Las Vegas, New Mexico.
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Not too compliant with the FCC OET Bulletin 65 Rules381 viewsThe FCC rules require that where visitors (and even trespassers) are expected, a wireless carrier must protect those members of the general population from RF exposure exceeding the uncontrolled standard. This site does not meet that requirement due to the antennas mounted on the exterior fence of this water tank site.
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2008 Rose Bowl Herd560 viewsCows need feeding. In the case of the 2008 Rose Bowl herd, Sprint and Nextel share the large AT&T data interface (bottom). AT&T Wireless gets its own interface above Sprint and Nextel.
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Das da ticket!423 viewsA close up of the AT&T Wireless DAS antennas. Note several things:

First, the RF warning sign is on the rear of the antenna, where is cannot be seen by someone approaching the antenna. This is not consistent with the FCC RF safety requirements.

Second, these are dual band antennas. In the far antenna, the cellular band antenna feed is on the right; the PCS band feed is on the left.
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CellSign Updated333 viewsThis AT&T wireless site has been modified since the last time we photographed it. Search for "Pico" to find the original site configuration. Originally, this was a single band site; now this is a dual band site. The boxes adjacent to the amplifiers are called "tower mounted amplifiers" (TMAs).
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CellSign Updated256 viewsThis AT&T wireless site has been modified since the last time we photographed it. Search for "Pico" to find the original site configuration. Originally, this was a single band site; now this is a dual band site. The boxes adjacent to the amplifiers are called "tower mounted amplifiers" (TMAs).
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NextG RF Safety Advisory Notice446 viewsThis is NextG's RF safety advisory below the DAS node. It clearly spells out the RF safety facts and compliance for this site as it pertains to the general population walking by the site.
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Cell Site on a Power Pole (Crown Design)285 views...on 19th near Tuckahoe in Fairfax Co., VA near I66. Notice how the cable ladder is attached to the pole using straps.
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Hot zone? What hot zone?508 viewsThis roof-top site (now removed) used cheezy plastic safety cones with pasted-on warning signs to alleged mark the edge of the general population/uncontrolled RF zone. Note the two cones at rear-right that have blown over. A very effective warning technique, eh?
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Camo-ish on-building cell site893 viewsThis is an example of how surface mounted antennas can be detailed to blend, if not disappear, into the background of the structure.
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Surface mounted antennas sometimes just require matching paint387 viewsThis surface mount wireless site is less visible due to the use of matching paint on the antenna radomes. Less visible, but not a true camouflage site.
 
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