User's Manual
Tsunami MP.11a Antenna Installation Guide 
6.  Use the hex-nut (item f) to secure the surge arrestor in its position. Ensure that the surge arrestor is 
properly connected to the grounding system. 
CAUTION! 
To avoid damage to electronic equipment and your Tsunami MP.11a equipment always apply the surge arrestor 
between the outdoor antenna installation and the Tsunami MP.11a hardware or other computing device that is 
connected to the outdoor antennas. 
Table 10. Specifications: Surge Arrestor 
Mechanical 
Size 
 Height  61 mm (2.4 in) 
 Diameter  23 x 27.5 mm (0.9 x 1.1 in) 
Weight  133 g (4.7 oz.) 
Connectors (1)  Standard-N (female on both ends) 
Operating Temperature  -40°C (-40°F) to +85°C (+185° F) 
Electrical 
Frequency Range  6 GHz 
Insertion Loss  0.4 dB 
Surge Current  5 kA 
Nominal Impedance  50 ohms 
LOW-LOSS ANTENNA CABLE 
The low-loss antenna cable is available in three standard lengths: 
▪  6 m (20 ft) 
▪  15 m (50 ft) 
▪  22 m (75 ft) 
To ensure that you order the right cable length, determine the distance between the intended locations of the 
Tsunami MP.11a hardware and outdoor antenna carefully. 
Appendix B. Antenna Cabling System  37 
CPN 65756B  Issue Date: August 2003 










