Nice quality, well built and good fittings.

The case is of metal and intended for use indoors, you will have to waterproof it if you wanted to use it outdoors.

DX engineering guarantees their sales, true enough first batch sent found defective, immediately sent replacement.

What can you say other than it works like advertised.

The isolation is very good and the loss is very small.

With the higher wattage capability it performs quite well under full power load.

This duplexer is working perfectly with my Yaesu FT-857D and ATAS-120a combination on my car.

Quality always comes as standard with the Diamond brand and this item offers no surprises on that front.

Comet always builds a quality product.