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improvement on your wireless signal
You wont have to pay for QSK again if you buy another amplifier
Kenwood and other rigs that have a band data output line
 Finned aluminum
and rugged hardware for years of enjoyment
MFJ-4103, SWITCHING PS FOR YAESU FT-817 (MFJ-1317) Features_Upgrader improvement on your wireless signalThis MFJ 4103 Miniature Switching Power Supply can deliver up to 40 Watts (13. 8 VDC at 2. 89 Amps) of reliable power anywhere in the world! Its an incredibly tiny 4 " x 2 " x 1 " and weighs just 10 ounces including output power cord and connector. It has an output DC cable with a standard MFJ coaxial DC power connector (2. 1mm ID, 5. 5mm OD) that fits most MFJ and other ham accessories and QRP rigs. A sturdy adapter cable is also included for use