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2,4---2,7 GHz it"s not a limited band>>>!!!

,,,a Bester for an Offset...

200mm

,,,yes, it is possible, but the isolation between the two ports is not good, so two antennas with different polarizations(Horizontally+ Vertical) would be preferable...!!!

,,,this site may be of more help...!!! http://www.b-kainka.de/bastel95.htm

The theory of these antennas from the electrodynamic point of view is very difficult. At the moment, the parameters of such devices are selected empirically with the help of software systems electrodynamic simulation such as CST Microwave Studio... And here's one of my older projects.... By pasting a line of triangular adaptation can adjust impedance across the frequency range.

This dual band antenna is designed and made by RSRF. According to the datasheet, it operates between the frequency ranges of 600 to 960MHz and 1690 to 2700MHz with a modest gain of 6dBi and 9dBi respectively. These frequency bands pretty much covers all the cellular frequencies used for 3G and 4G LTE in North America. You can also use this antenna for low-band and mid-band 5G applications. As the low-band 5G lies between 600-850MHz and the mid-band 5G is between 2.5-3.7 GHz. Although this antenna only covers a small portion of the mid-band 5G frequency range.

,,,papus... if the antenna is out in the rain, you have to protect the antenna with a plastic case... ,,,or so...

The BDM-2 is a wave channel with crack initiation, and delay line is made of sequentially installed disk elements. Compared to classic antenna BDM new directed antenna BDM-2 is: More gain; Improved radiation pattern; More stable operating parameters; Greater reliability; Superior mechanical characteristics.

A UWB antenna design requires broad bandwidth of 2-11 GHz and good omnidirectional radiations patterns.Among the proposed UWB antennas ,the printed monopole antenna (PMA) is very promising due to its remarkably small size and simple fabrication.

,,,you show how the antenna should be and for what frequencies??!!

The KNA27-1700/2700 parabolic MIMO antenna is designed to work in LTE 1800, 3G (UMTS 2100), Wi-Fi 2400, LTE 2600 networks at frequencies from 1700 MHz to 2700 MHz.

Petra 20 other sizes, other frequency,,,

Passive TV panel antenna Kroks TV-8 is designed to receive television broadcast programs of digital (DVB-T and DVB-T2) and analog (Decimeter waves) television. The antenna is used to receive and amplify the television signal at a considerable distance (up to 15 km) from the tower or repeaters, for example in a country house, etc. It allows to achieve signal amplification up to 8 dB in the entire operating frequency range of the antenna (470-860 MHz). shop_property_file_1757_18426.pdf

Chipset Atheros AR9271 The interesting device is "full N 300 Mbps" how it is full I Hate, 2R2T . But the fact that he uses on the reception of both antennas it is a fact, try to put on the first antenna panel 18Dbi result is worse than with two pins. Very good sensitivity , compared with a whistle at the base of Ralink - no worse. Fully compatible with Commview. In BackTrack5 and WifiSlax driver are - app. From slightly altered device: standard broke off the antenna ,put the connectors and soldered the cable to the antennas. TP-link WN822N TP-link WN822ND TP-link WN822N

If we had to participate in field tests of a transceiving apparatus, part of which was various types of antennas, and as Omni-directional, they are independent from the design and the claimed gain in performance for range transmission and reception is insignificantly different from each other. A significant difference was their price. Of greater importance, as we understand it from practice, had such option antenna as it is efficiency, which directly connected with the working surface (the larger antenna size than she is better), but not with the stated gain. So simple homemade omnidirectional antenna is not what is not inferior to similar fancy designs. For beginners, we don't would advise to grasp for the production of Omni-directional antennas with a large gain such as collinear or the like. Without skills and lack measuring instruments to achieve from these structures excellent results not will. The antenna that we propose to assemble, has an important property. First of all, it is quite simple and broadband (bandwidth 200 MHz), this means that miss relative to the fundamental frequency of transmission and reception as a result of the inaccuracy construction will be difficult, which is an important factor in the case the lack of measuring devices. However, simple a homemade antenna will differ markedly from the purchase of the product may because a nested design energy of creativity yields results. The antenna is a quarter-wave vibrator with a counterweight

The Yagi antenna needs to be very well adjusted between the two points. A patch antenna solves this with almost the same gain as a yagi. I prefer the flat one. ,,,, as a material, galvanized sheet is indicated for the reflector and vibrator, and aluminum sheet can be used for directors...!!! ,,,,what frequency are you interested in...??/

14dBi 2.4GHz EZ-Go-214 MiMo Panel-Enclosure Antenna The EZ-Go-Panel2 MIMO panel antenna offered by e-zy.net is a 2.4GHz 14dBi gain Dual polarity antenna that is developed to allow integration of the customers’ radio equipment inside the weatherproof compartment. Is a cost efficient weatherproof enclosure with integrated high efficiency antenna and accommodations for customer mounting of electronics. The housing is UV resistant and UL rated with a nice aesthetic appearance and clean lines. With the included Ez-Snap stand-off kit PCB mounting systems, radio boards can be mounted without the need to drill any holes. The corrosion resistant tilt bracket system accommodates pole or wall mounting. The antennas pigtail connectors are UFL / IPEX

,,,for those who want to improve this type of antenna... microtik.cst

,,,try this... ns2.dxf

A solution to the distant wireless connectivity problem is mounting a high gain, directive antenna at the wireless hotspot / access point. Then, users with wi-fi enabled devices can enjoy faster and more distant broadband. For the ultimate in long range wireless broadband, high gain antennas should be used at both ends - and not simply at the client's location. As to power levels, moderate power should be used: 23 dBm to 27 dBm. There are plenty of powerful wi fi routers available in this range or higher. Certainly, avoid the weak units running less than 20 dBm. In the long distance wi fi router project shown here, a high gain wi-fi yagi antenna was used for greatly increasing the range and effectiveness of an access point. E.g...

Below are the usual model of omnidirectional antena for 2,4GHz( Ceiling Mount Antenna)

,,,something like that with several rings...

,,,yes, the vibrating element must be oriented at 30 degrees, galvanized sheet can be used...!!!

,,,this Bester antenna is for 2.4GHz...(to which you can add directors)....!!!!