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05-04-2004, 14:39 | #1 (permalink) |
Major Poster Join Date: Mar 2004 Age: 44
Posts: 42
Member: 59662 Status: Offline Thanks Meter: 1 | Netmonitor and gsm channel It's for a experiment for Electromagnetism class If yes, which page and parameter of netmonitor should i check? Tkx |
05-04-2004, 16:35 | #2 (permalink) |
Freak Poster Join Date: Aug 2001 Location: RO
Posts: 479
Member: 5992 Status: Offline Thanks Meter: 1 | You have here link for netmonitor manual. http://www.phones-direct.ro/public/nmmanual.pdf http://www.phones-direct.ro/public/gsmus.chm on page 01 you have channel-rx-tx power... or page 09 cell-channell. there is an formula to calc channell to frq.... |
05-05-2004, 03:28 | #3 (permalink) |
Major Poster Join Date: Mar 2004 Age: 44
Posts: 42
Member: 59662 Status: Offline Thanks Meter: 1 | Tkx Guciano!! Still need help though. Which command should i execute to save a value to pos number 33 of the sim card to do the bts test, as it is described below and on the netmonitor manual under the test 17 menu ? "save (change) desired channel number on position number 33 of the SIM card's phone book in decimal format (not in phone's memory!) - if you save '0' there, this test will be inactive! However, this step is not necessary, if this number was stored there earlier - you can check this with 33# code). Remember, that phone checks used format. Here are some examples of correct entries: "1", "700". " |
05-05-2004, 06:44 | #4 (permalink) |
Freak Poster Join Date: Aug 2001 Location: RO
Posts: 479
Member: 5992 Status: Offline Thanks Meter: 1 | you have to use an sw or phone that know to save/read to an specific sim location...( if you don't have such sw just erase all SIM nr and save one by one 32 nr, next one will be saved on location 33) Normally you don't have to use BTS test for wat you need in you'r experiment until you want to force the phone to use an specific channel ( for this you have to know allso if that channel is used in you'r location - I don't think you will get this info from net op). If is not used you will have no network... |
05-05-2004, 09:58 | #5 (permalink) |
Major Poster Join Date: Mar 2004 Age: 44
Posts: 42
Member: 59662 Status: Offline Thanks Meter: 1 | No , i don't really need to do the bts test i just wanted to know if the phone is picking up a 900Mhz or a 1800Mhz signal. From menu 1 i can see that i'm connect to channel 48 right now, it hops sometimes (probably to match the best signal ), but can't draw any conclusion as which gsm band is the phone really using and that is what i really wanted to know, but i can't see any other test that will tell me that |
05-05-2004, 20:52 | #8 (permalink) |
Freak Poster Join Date: Aug 2001 Location: RO
Posts: 479
Member: 5992 Status: Offline Thanks Meter: 1 | And here is formula for calc TX freq: Lower band frequency + 0.2 MHz (channel spacing) x n (channel number). Thus, for GSM 900, for example: f = 935 MHz + 0.2 MHz x n you'r welcome |
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