Antenna Recommendation for Access point

RouterOS Wireless Networking
1

Hi All,

We are considering obtaining three sector antennas, 120 degrees to cover a radius of about 5Km. We are hoping to use SXT 5HPnd, SXT Lite5, UBNT Airgrid 5GHz, and other single chain devices as CPE to connect to the APs. An Antenna that we are considering is the PRO-Sector50018dual H&V Box made by Itelite. If we use this antenna, which radio card would you recommend to use with a RB411AH board in this box? Will I be able to connect single chain devices?

Are thse antennas 90 degrees or 120 degrees? Pls advise. Thanks

2

DBII F50N Pro or RB711 5HnDA (routerboard, card all in one).

3

At 90° beamwidth power is reduced to -3db (50% power) and at 120° beamwidth power is -6db (25% power),
So for 360° coverage I would be using 4 units, With the -3db overlaps of the sectors?

4

Thanks for the replies.

I could not find the specs on RB711-5HnDA, just RB711-5HnD. Was that a typo?

This may sound odd, but I’d still like to ask. Is the some way to connect single chain devices to dual chain systems? Why I am asking is because I have a few single chain devices that I would still like to use. How about using 2 single chain radios, one connected to the Verical and the other connected to the Horizontal section of the antenna? Really all I need is to be able to use NV2 protocol, which is available between Mikrotik products. Going the dual chain route gives more bandwidth for future expansion?

5

The RB911 HnDA is the replacement. I think they dropped the 711 version.

I wouldn’t go with dual cards in a dual polarity system. The self interference will be a problem. Dual chain works fine with single chain clients.

6

Hello,
In this case I would reccomend you another antennas (from Wireless Instruments) with the MikroTik RouterBoard 912UAG-5HPnD-MMCX. Why these antennas? Because are much more resistant than itelite and have easy mounting kit.
The set would contain:
3x WiBOX SA M5-90-17HV + 3x RB912UAG

This equipment will cover 5 km radius without any problems.
regards

7

Thanks again for the responses. I will take them into consideration.

I looked at the specs of the RB911G-5HPnD and saw that it only has a Level 3 license. That means that it cannot be used as an Access Point. Also this board has the same dimensions as the RB711-5HnD, but can it work in the Itelite box?

8

hello,
the RB 912UAG-5HPnD-MMCX has a Level 4 license and its ideal to creating efficient point-to-multipoint links.
Did you check the mentioned antenna from Wireless Instruments?