The AS-304 is a new DC - 600 MHz, 4 port High Power - High Isolation Mast Mounted Antenna Switch from SSB Electronic.
FEATURES:
* DC - 600 MHz.
* 4 Port Selection allows switching between the Common Port and four other Ports
* 13.8 VDC @ 80 mA operation
* High Power Operation:
1 kW PEP at 144 MHz.
500 Watts PEP at 432 MHz.
* Type - UHF Female Connectors
* Low Insertion Loss: 0.15dB at 500 MHz.
* Antenna Selection via 4 PIN DIN
* Requires 13.8 VDC and 5 wire cable
Manufacturer's Website