The ULM-63-2W-N+ reacts almost instantaneously to protect sensitive devices from power surges and other unwanted sig- nals at the device input. For inputs >12 dBm, the output power remains about 11.5 dBm, whereas lower-level input losses are only 0.4 dB typ. These units are housed in a patented, rugged unibody enclosure (2.11″ x 0.72″) specifically designed to function in tough environments such as manufacturing sites, train tunnels, weapon systems, or anywhere sensitive com- ponents, such as low noise amplifiers, need protection.