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Double Six Switch
Sale price: $579.00
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micro DOUBLE SIX SWITCH is a high performance, high power rated, rugged, high isolation, remotely controlled antenna switch capable of selecting one of six (6) antennas to one of two (2) feedlines for SO2R operation.  It can be installed inside the shack or outside on the tower.
 
Available with UHF SO-239 connectors or N connectors.
 
Package includes: micro DOUBLE SIX SWITCH, double C-bolt for tower mounting and manual on CD.  Control cable is not included.  See Application Note 29 for cable requirements. 
 
Features:
six (6) antenna ports - 1 to 60 MHz.
heavy aluminum case 4mm (158 mils) thick, IP 66 provides high level weather protection and RF proof capabilities
SO239 UHF or N teflon™ / gold pin connectors used
10kV surge strength, 16 Amp sealed relays
stub compensated microstrip PCB architecture assures lowest SWR and insertion loss from 1.8 to 60 MHz
built-in surge protection
compatible with all 12V source driver band decoders
connects directly to Station Master
top cover screws protected against loss (very useful at tower)
easy wall or tower assembling thanks to special galvanized heavy double C-bolt, which allows using various diameter of the tower tube
unselected antenna ports are grounded
without power all antenna ports are grounded
each device is individually trimmed and tuned for best performance
 
 
Special double fault protection
 
 
micro DOUBLE SIX SWITCH operation principle
 
Fig. 1 Example of one port connection
 
A special method of connecting relay power is employed which prevents switching both radio ports to the same antenna.  Additional signal relays ensure maximum separation even with a drive control fault.  Without this protection,the isolation between radio ports would decrease by half.  For example, with an output power of 1000W (60 dBm), in the event of a control fault, the other radio port would would see 25 dBm (0.3 W) instead of -10dBm = 0.0001W.
 
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