How to test a WR11 router step by step. 
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Refer to the following table to determine which selection to make: 
5   Cinterion/Siemens MC75i/TC63i/MC75/Triorail 
5   Cinterion/Siemens MC75i/TC63i/MC75/Triorail 
9   Option HSDPA/HSUPA modules 
9   Option HSDPA/HSUPA modules 
9   Option HSDPA/HSUPA modules 
11  Sierra Wireless CDMA module 
11  Sierra Wireless CDMA module 
9   Option HSDPA/HSUPA modules 
9   Option HSDPA/HSUPA modules 
13  Ericsson F3507g/F3607gw/F3307/F5521gw HSDPA module 
7   Sierra Wireless 3G module 
13  Ericsson F3507g/F3607gw/F3307/F5521gw HSDPA module 
17  Gobi UMTS or 18  Gobi CDMA 
13  Ericsson F3507g/F3607gw/F3307/F5521gw HSDPA module 
13  Ericsson F3507g/F3607gw/F3307/F5521gw HSDPA module 
26  Sierra Wireless 4G/LTE module 
26  Sierra Wireless 4G/LTE module 
26 Sierra Wireless 4G/LTE module 
26  Sierra Wireless 4G/LTE module