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angboontiong
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RB433 with R5H card in 10KM issue ...

Fri Aug 21, 2009 8:19 pm

Good day...

Dear All..
I have 3 link setup here (Same direction)...

1) ..
Equipment: RB433AH + R52H (RouterOS 3.27).
Distance: LOS.
Antenna: 32 dbi Pacific wireless (5.8Ghz range)
Signal strength: -55dbm ~ -58dbm (54M*2 / 54M*2).
TCP test throughput: 30Mbps Full duplex.
TX power setting: Default
Problem: No, consider very good.

2) ..
Equipment: RB433AH + R5H (RouterOS 3.27).
Distance: LOS.
Antenna: 32dbi Pacific wireless (Wideband)
Signal strength: -44dbm ~ -48dbm (54M*2 / 48M*2).
TCP test throughput: 20Mbps Full duplex.
TX power: manual- 54M(3) 48M(7) 36M(12) 24M(17) 1~18M(21)
Problem: The link is not able to provide (54M*2 / 54M*2) even i increase the TX power, it's just only act on max (54M*2 / 48M*2).

3) ..
Equipment: RB433AH + R5H (RouterOS 3.27).
Distance: LOS.
Antenna: 32dbi Pacific wireless (Wideband)
Signal strength: -62dbm ~ -65dbm (54M*2 / 54M*2).
TCP test throughput: 30Mbps Full duplex.
Problem: No, consider very good.

I just wonder know, whatever i increase or decrease the TX power in the link 2, the signal still keep on -44dbm~-48dbm, Then the throughput is not able to reach up to 30M Full duplex like how other's 2 link works.

Is anyone experienced the same thing as what i facing? Just to add on, the link 2 is having no interference at all.

What could be the cause? when i test with the UDP on the 3 link, both of it can up to 30M full duplex.

Appreciate for whoever would like to share...
 
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cjack
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Re: RB433 with R5H card in 10KM issue ...

Sat Aug 22, 2009 11:30 pm

How is your signal to noise looking? and also the tx/rx ccq (wile sending data). i suggest comparing it to your other links
 
angboontiong
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Re: RB433 with R5H card in 10KM issue ...

Mon Aug 24, 2009 5:08 pm

Hi...

After check again..
I believe it's due to the hardware limitation...

One of the unit on the link 2 is RB433 but not the RB433AH...
we going to place order and replace it..

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