5.8Ghz

[xbrain]

Estou fazendo uma rede Ponto-a-Ponto wireless em minha cidade e estou querendo optar pela freq. 5.8 por existir muito ruído em minha cidade, a distância dos pontos é 2600mts e a difença de altura é de 10mts (medido no GPS).


P1 torre de 30m

P2 10m de diferença em relação a o P1

distancia entre pontos 2600m


obs.: Esse ponto a ponto é entre duas lan-houses, e tem uma boa visada.

A grande dúvida é qual AP a se comprar ( preço menor que U$ 400) antena eu já decidi vai ser Hyper-link setorial em um ponto e no outro direcional.

Agradeço desde já Moises A. Marangoni

[lluner]

como a distancia e perto , creio que vc deveria utilizar mesmo o padrão 802.11b .VC poderia utilizar o zinwell g 120 plus .Os aps 5.8ghz são muito caros acima de $ 900 , TERABEAM .

[Francinei]

Radios 5.8 é na faixa de 2 mil reais, abaixo disso, só linuxAP e nao sei se funciona a esta distancia.
Se vc vai fazer ponto a ponto, pq nao coloca duas direcionais? fica melhor!
A nao ser q vc queira mais tarde aumentar a rede!
Valeu!

[xbrain]

E o que vocês acham deste AP ele custa em torno de U$ 160,00 e é 5Ghz


http://www.schooldata.net/images/WAP51AB.jpg

W. AP LINK SYS WAP 51AB

Especificações
Operates in Both the 5GHz and 2.4GHz Bands
Up to 72 Mbps Turbo Mode (with Linksys 802.11a products only)
Supports up to 64 Wireless Users
Enhanced Security Using MAC Address Filtering and Up to 152-bit WEP Encryption
1-Year Limited Warranty
One Access Point Provides Both 802.11a and 802.11b Functionality

[cleciorodrigo]

Espero que alguem tenha coragem de usar Linksys, eu nunca tive sorte, hehhehe, fora o fato desse radio que foi apresentado operar em 5Ghz, e não o 5.8 como determina a legislação da Anatel, no final acaba virando encrenca.

Falow

Clecio

[ijr]

sai fora desse linksys!!!

[xbrain]

Não querendo estender muito o tópico, mas e esses AP ele parece que realmente trabalha em 5.8 e tem um preço bom U$ 244,00

AP D-LINK DWL-7200AP

http://www.dlink.ca/images/main/DWL-7200AP.jpg

Especificações

TEM SAIDA PARA PIG TAIL

D-Link, the industry pioneer in wireless networking, introduces a performance breakthrough in wireless connectivity – the D-Link AirPremier AG® DWL-7200AP Wireless
Access Point, a business-class access point designed for small to medium businesses looking to deploy dualband multimode networks capable of delivering high
performance speeds in both the 802.11a and 802.11g bands – at the same time.

The DWL-7200AP Wireless Access Point is an ideal solution for creating a secure and robust dualband wireless network. With its capability to concurrently perform and
support users in both 2.4GHz and 5GHz frequency without splitting up the bandwidth per band, the DWL-7200AP provides administrators with greater flexibility in network
deployments. For advanced installations, this new high-speed Access Point has an integrated 802.3af Power over Ethernet (PoE) port that allows you to install the device in
areas where power outlets are not readily available. The current default 5dBi high-gain antennas can also be replaced with other wireless antennas if a stronger wireless
signal is needed.

The DWL-7200AP provides maximum wireless security by supporting both WPA-Personal and WPA-Enterprise which includes 802.1x user authentication. Other security
features included in this Access Point are MAC Address Filtering, Wireless LAN segmentation, Disable SSID Broadcast, and support for Advanced Encryption Standard
(AES) Encryption.

To maximize your return on investment, the DWL-7200AP can be configured in any one of five modes: Access Point (AP), Point-to-Point (PtP), Point-to-Multipoint (PtMP)
bridge, Repeater, or AP Client. With the ability to simultaneously operate in two bands, network administrators can assign one mode in 802.11a and another in 802.11g to
increase productivity and maintain high network efficiency.

Powered by D-Link 108AG technology, the DWL-7200AP Wireless Access Point delivers unparalleled wireless performance boasting maximum wireless signal rates of up to
108Mbps* when set in Turbo mode for both 802.11a and 802.11g networks. Meanwhile, wireless devices operating on the 802.11g band remain backward compatible to
standard 802.11b devices. With the ability to deliver high-throughput transfer rates in two bands at the same time, the DWL-7200AP provides reliable bandwidth performance
while providing a solution to avoid network bottlenecks.

Network administrators can manage all the DWL-7200AP's settings via its Web-based configuration utility or with Telnet. For advanced network management, D-Link's AP
Manager or D-View SNMP management software offers an all-in-one method to configure multiple access points from a single location.

With dualband capabilities, integrated PoE support, extensive manageability, versatile operation modes and solid security enhancements, the new D-Link AirPremier AG
Wireless Access Point with PoE provides everything needed to set up a future-proof wireless network or simply extend the wireless range of an existing network of today's
small to medium businesses.

* Maximum wireless signal rate derived from IEEE Standard 802.11a and 802.11g specifications. Actual data throughput will vary. Network conditions and environmental
factors, including volume of network traffic, building materials and construction, and network overhead, lower actual data throughput rate.[/i]

[Hoffmam]

vc quer coisa boa que funcione com antena e mais pega os
terabeam use duas CPE vc vai gastar 4200.00 + ou -
só que é bem mais pratico hermetico... vc instala o equipamento
direto no mastro da torre ou no alto do predio!!
Bem simples essas marca Linksys D-link funcionam alguma coisa em
2,4 GHz ! :cry:

[Herlon]

Experiencia vivida, com antena 22 dbi grade hyperlink, no maximo a distancia de cliente, será de 1000 metros.

Dlink 7200

[Francinei]

Amigao vc escolheu as duas marcas q na minha opinao nao se deve usar outdoor!.
Volto a dizer, 5.8, com menos de R$ 2.000,00(cada rádio), vc nao acha!
Estou falando de equipamentos p/ se colocar e nao dar problemas!

[LEE337]

estou usando 2 Orinoco AP-600a com duas antenas 28dBi Visiontec em 4,7Km. Já faz ums 4 meses q tenho e nunca me deu problema de queda.

ou poderia usar star-os com placas pci a/b/g...


Lee