unit removed from hf amplifier  DANCOM   marine ,   with originals trs  MRF422 , the code on the trs is part number from factory . 

28v ,  almost 20A ,  

tested and works good with 5w input , i can see 250w output on bird 43 and dummy load,

you will receive schematic with all details .  

in the last photo is one i built for me with 2 pcs ,  600w pep !!  

See the pictures for more details.

 

If you have any question about the condition, accessories, or anything about the product, Please feel free to message us.

 

We are glad to answer all your concerns.

No responsible for fees and taxes in your country .

The estimated shipping time from ebay is not correct , you will receive the item much sooner !!!!!!