Alvarion BreezeMAX Extreme System Manual page 61

Chapter 2 - Installation Mounting the BTS
Figure 2-3: Assembling BTS Carriage and Clamps
Figure 2-4: BTS Carriage and Clamps Installed
4 Thread screws through the middle-side holes of the carriage (Figure 2-5).
BreezeMAX Extreme 54 System Manual