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venus-os:gx-gsm [2018-07-26 11:49] – [GX GSM] mvadervenus-os:gx-gsm [2023-01-19 09:47] (current) – Deleted. A new manual has been added to the product page. sloges
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-====== GX GSM ====== 
- 
-DRAFT: function & product not released yet. 
- 
-===== Trouble shooting ===== 
- 
-^   ^ Step    Details                                   ^ 
-| 1 | Power  | Check that the blue LED is either lit continuous or blinking  | 
-| 2 | USB    | The modem must be connected to USB, and visible in the Settings -> GSM modem menu | 
-| 3 | Simcard | (feature is still being added to the software) | 
-| 4 | Signal strength | 15 or higher (and see below table)     | 
-| 5 | Network | Check that a network name is visible. If it is not, contact your simcard provider and/or insert the simcard in a phone to double check its operation       
- 
-=== Antenna reception interpretation === 
- 
-Even when there is no simcard inserted, you can check signal strength. 
- 
-<code> 
-0 = -113 dBm or less 
-1 = -111 dBm 
-2 = -109 .. -53 dBm 
-31 = - 51dBm 
-99 = not known or not detectable 
- 
--50 to -75 dBm: high signal 
--76 to 90 dBm: medium signal 
--91 to -100: low signal 
--101 to -120 dBm poor signal 
-</code> 
- 
-You also need to remember that an outdoor antenna typically increases received signal by 15 dB to 25 dB.  (verify) 
- 
-TODO: replace above by something meaning full, ie indicate the signal strenght to the user in such way that he doesn't need to memorize rssi or other tables. 
- 
  
venus-os/gx-gsm.1532598550.txt.gz · Last modified: 2018-07-26 11:49 by mvader

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