|   | 9 | ==== sb1.cosmos-lab.org | 
          
          
            |   | 10 | This is the first development sandbox located at WINLAB in North Brunswick, NJ. | 
          
          
            |   | 11 |  | 
          
          
            |   | 12 | It consists of: | 
          
          
            |   | 13 | * Two roof mounted radio sectors | 
          
          
            |   | 14 | * Two indoor USRP 2974, with Sivers based MMWave frontend for development. | 
          
          
            |   | 15 | * Several stationary "mobile" nodes, for development. | 
          
          
            |   | 16 | * Two servers shared by all radios. | 
          
          
            |   | 17 |  | 
          
          
            |   | 18 |  [wiki:/hardware/Domains/sb1 more info] | 
          
          
            |   | 19 |  | 
          
          
            |   | 20 | ==== sb2.cosmos-lab.org | 
          
          
            |   | 21 | This is the second development sandbox, located at Columbia University in New York City, NY. | 
          
          
            |   | 22 |  | 
          
          
            |   | 23 | It consists of: | 
          
          
            |   | 24 | * Two "sectors" worth of radios, but all colocated in one rack indoors. | 
          
          
            |   | 25 | * 4 Full duplex frontends | 
          
          
            |   | 26 | * 2 MMwave frontends | 
          
          
            |   | 27 | * Support hardware to connect frontends to desired radios | 
          
          
            |   | 28 | * Two servers shared by all radios | 
          
          
            |   | 29 |  | 
          
          
            |   | 30 |  [wiki:/hardware/Domains/sb2 more info] | 
          
        
        
          
            |   | 33 | ==== bed.cosmos-lab.org | 
          
          
            |   | 34 | This is the main testbed in New York City, NY. | 
          
          
            |   | 35 |  | 
          
          
            |   | 36 | It currently consists of: | 
          
          
            |   | 37 | * Radio Sectors around the Mudd Building at Columbia | 
          
          
            |   | 38 |   * 1 at 1st floor | 
          
          
            |   | 39 |   * 1 at 2nd floor | 
          
          
            |   | 40 |   * 3 at 18th floor | 
          
          
            |   | 41 | * Servers for processing the radio data | 
          
          
            |   | 42 |   * 4 dedicated to the 18th floor radios | 
          
          
            |   | 43 |   * 2 that are shared by all sectors | 
          
          
            |   | 44 | All devices are connected by the optical network described at [wiki:/hardware/optical#Optical] | 
          
          
            |   | 45 |  | 
          
          
            |   | 46 | Each radio sector contains a USRP N210 and a USRP 2974, fiber connectivity, RF frontends, and antennas, as well as various support hardware to ensure its reliable operation. |