Hello, and thank you for your answer
i have
GSM.PowerAttenDB 23
Do you think that i need to increase ?
Regards
Cristian
El
2012-05-09 20:00, wayne roberts escribió:
> The amplifier you have is
both a receiver amplifier and transmitter amplifier.
> The receive side
(uplink) says its
The amplifier you have is both a receiver amplifier and transmitter
amplifier.
The receive side (uplink) says its 70dB gain, but hopefully that is with
ALC.
You could likely overload usrp receiver easily from that.
The OpenBTS.config has GSM.PowerAttenDB which you can try increasing to
reduce powe
Hello, Wayne, thank you very much for your answer.
This is the
amplifier and duplexer specs: (i paste this in order to dont attach the
doc).
AMPLIFIER
Shenzhen Ledmate Technology Co., Ltd.
PCS Signal
Booster
Technical Features:
*Receiving and sending separation,low
require for Ant isolation
You should know the gain of your amplifier.
I would suspect that OpenBTS has USRP output power set to high level for
direct antenna connection.This is probably too much for your amplifier.
Try reducing your USRP output power to minimum level, then slowly increase
it while observing your amplifi
Hello, i'm working in a private project with USRP 1 and OpenBTS on PCS
1900MHZ.
Currently im working with chinesse (Ledmate.net) 25 dbm amplifier and
duplexer for pcs 1900,
this works, but i having problems in some areas, i can't register any
phones.
Can anybody tell me what is the best ampl