SZRUNSUN FWT GSM CDMA wireless bridge, bridge 

 Bridging 2 network bridge 

 Major primary national borders, bridge barrier state carriers 

 Bridge operators in different countries 

 Bridging different operators the same country 

 Bridging different groups cornet 

 Wireless network bridge device, the use of SIM cards do not have operators to provide wireless networking between the different operators of the bridge route. 

 GSM - GSM Bridge 
 GSM - CDMA bridge 
 CDMA - CDMA bridge 

 Case: ABCD four GSM network number, AB are operators X, CD is operator Y. 
 Will be installed on the wireless bridge in BC, 
 User A and User D would like to call 
 User A first dial the user B, then the bridge through the BC, user C call user D, to achieve the call between the user AD. 

 Wireless network bridge device, a 
 Two machines (G = G, G = C, C = C), a pair of bridge 
 Quad Machine (G = G, G = C, C = C), two pairs of bridge 
 Eight-way machine (G = G, G = C, C = C), four pairs of bridge