Hi 2 all,
I have RB 433HA, with simplest config.
2.4 Ghz wireless card as AP bridge
Ethernet 1 as source of internet liked with bridge with Wlan
when I’m download with rate over 2Mb (about 270 KB and above)
ping to the E1 start to drop and ping time heavily raise
Please advise
What is your signal strength? CCQ?
36 dB. the router is beside me …
-36dB signal or 36dB SNR?
If it is -36dB, it is too strong. You will have all sorts of problems. You need to move farther away or drop the tx power on both sides until it is in -50 to -60 range.
On router side,
2.4GHz-B/G
Frequency 2412
Antenna Mode a Gain 0
Register AP client (my pc) Signal Strength -52 dBm SNR 48 dB
Tx/RxCCQ (20 - 70)% with almost no load and rang is less with load
On client side (my pc) RSSI -39dB
Ok, I need more information.
What antenna, cable, etc?
It sounds like you don’t have an antenna on the card. You may have bad cables, diversity chip or antenna.
Any other 2.4GHz equipment around? Tried other channels?
Wlan is ubiquiti SR2.
the card is beside me and I sent previous information with no antenna on card.
if I connected antenna -dBm increase largely ( reach -30dB) but CCQ remain low, and even if I go far away till -db reach 50-60 dB, CCQ remain low.
I’m using a small antenna (about 40cm) to cover a range of about 200-150m.
there are other 2.4Ghz wifi around main one with channel 3, I tried different channels no luck.
Inform me if you need more information.
Thanks in advance…
It is late here, or really early I should say, so forgive me if I’m a bit short.
Running an SR2 without an antenna can fry the amp. This may be your problem. It sounds like it. Do you have any other cards to try?
The laptop cards, 19dBm and under, can usually survive without an antenna, though it is certainly not recommended to run like that for long. The higher power cards, SR2, XR2, R52H, R52Hn, R5H, SR5, XR5, etc, will not last long at all without an antenna connected.
Thanks again for the info,
Ok then to not making it long,what is your recommendation. I have about 30 pc in rage of 150meter in separated rooms.
do you recommend a specific interface card with RB433AH with low power, and can I ask why it want last long, or maybe you recommend a new device.
Regards
It is going to be very difficult to cover that kind of area through walls. You might as well go with a low power card, R52, R52n, WLM200NX and 9dBi antennas or better.
You will probably need several AP’s throughout the area. The high power card + a good antenna will get the signal to the clients, but won’t receive the clients as well. Might as well save your money on the cards and spend it on antennas.
I’ve done this for several hotels covering much less distance. Depending on exactly how far, building materials, etc, you are looking at at least 5 access points.
ok, I have order an R52 interface to test it, meanwhile there is no way to decrease SR2 power and use it for such purpose as I understand, but I have about 500meter antenna that I check resently and have the same problem (-36 strength power) thus is there is a way to decrease the power to make it work for such distance ?
In Winbox, go to wireless, click advanced, go to the tx power tab, choose card rates and put in a lower number than default shows. If you put in a higher number you will likely damage the card.