Ive got a strange network problem whit 3120,signal is perfect on 1800 Mhz,but on 900 - GSM-Forum

Tilka · 07-26-2006, 11:54

Some ideas? coz i donno any

emailsantu · 07-31-2006, 18:15

Just change antenna switch.

pintphones · 08-01-2006, 04:24

thats not a strange problem, that is a very common problem. diplexer/ antenna switch- same thing. it is often best to replace the PA at the same time. clean contacts and tune the tx power levels, rx calibrations and check the rssi readings- make sure its around -60db. and the I/Q levels- tune them.

Tilka · 10-26-2006, 10:24

it vaz hagar,thx anyway

07-26-2006, 11:54	#1 (permalink)
Tilka Freak Poster Join Date: Aug 2005 Age: 39 Posts: 140 Member: 172397 Status: Offline Thanks Meter: 10	Ive got a strange network problem whit 3120,signal is perfect on 1800 Mhz,but on 900 Some ideas? coz i donno any

07-31-2006, 18:15	#2 (permalink)
emailsantu Junior Member Join Date: Jun 2006 Posts: 36 Member: 294418 Status: Offline Thanks Meter: 8	hello Just change antenna switch.

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08-01-2006, 04:24	#3 (permalink)
pintphones Insane Poster Join Date: Dec 2004 Location: Adelaide Australia Age: 39 Posts: 60 Member: 96184 Status: Offline Thanks Meter: 6	thats not a strange problem, that is a very common problem. diplexer/ antenna switch- same thing. it is often best to replace the PA at the same time. clean contacts and tune the tx power levels, rx calibrations and check the rssi readings- make sure its around -60db. and the I/Q levels- tune them.

10-26-2006, 10:24	#4 (permalink)
Tilka Freak Poster Join Date: Aug 2005 Age: 39 Posts: 140 Member: 172397 Status: Offline Thanks Meter: 10	it vaz hagar,thx anyway