Item Type: Noise Source Power Supply: DC12V/0.3A-1A Output Interface: SMA Adapter Input: US Plug AC100-240V Reference ENR(extra noise ratio): 0.1G/60DB 0.5G/55DB, 1G/52DB, 1.5G/48DB, 2G/38DB, 2.5G/30DB, 3G/27DB, 3.5G/20DB Package List 1 x Noise Source 1 x Power Adapter Power interface single pin and no pin random delivery, the function is the same as the DC port, does not affect the use. 1MULTI FUNCTIONS: Noise source can generate noise, can be used as spectrum tracking source and interference source 2GENERATE WHITE NOISE: Using a special voltage regulator tube, white noise is generated in the breakdown state, and then amplified. Just replace the tracking source directly 3TRACE GENERATORS AND SOURCES: Noise source can be used for trace generators, block sources, and noise sources, very versatile 4DC12V POWER SUPPLY: DC12V 0.3A1A power supply, adapter input is US AC100240V, come with SMA output interface, more versatile 5STABLE AND DURABLE: 0.0013000mhz simple spectrum tracking source has stable structure, excellent performance and long service life