SCALANCE W788-xPRO/RR / SCALANCE W74x-1PRO/RR 
Operating Instructions (Compact), Release 08/2007, A5E00413342-05 
105 
 
Technical specifications 
5 
5.1  Technical specifications for the SCALANCE W788-xPRO/RR and 
W74x-1PRO/RR
 
Device variants 
The technical specifications of the  
●  SIMATIC NET SCALANCE W744-1PRO 
●  SIMATIC NET SCALANCE W746-1PRO 
●  SIMATIC NET SCALANCE W747-1RR 
●  SIMATIC NET SCALANCE W788-1PRO 
●  SIMATIC NET SCALANCE W788-2PRO 
●  SIMATIC NET SCALANCE W788-1RR 
●  SIMATIC NET SCALANCE W788-2RR 
are largely identical. Unless indicated otherwise in the table, the following tables apply to all 
the devices listed above: 
Data transfer 
 
Ethernet transfer rate  10/100 Mbps 
Wireless transmission rate  1 ... 54 Mbps (108 Mbps) 
Wireless standards supported  802.11a 
802.11b 
802.11g 
802.11h 
Power supply standards supported  802.3af (Power over Ethernet) 
Interfaces 
 
  Note 
Bridging a power outage is is possible only with an input voltage of 24 V DC (-15% . . . 
+20%).