40 67 16
Free-Standing Panels
40 67 13
40 67 13
40 67 00
Control System Equipment Panels and Racks
40 66 73
Satellite Communication Equipment
40 66 66
Monopoles and Towers
40 66 63
Antennas
40 66 56
Point-to-Point Radio Equipment
40 66 53
Multiple Address Radio Equipment
40 66 43
Wireless Network Systems
40 66 36
Process Instrumentation Networks
40 66 33
Metallic and Fiber-Optic Communication Cabling and Connectors
40 66 26
Device Network Equipment
40 66 23
Frame Relay Equipment
40 66 19
Media Converters
40 66 16
Firewall Hardware
40 66 13
Switches and Routers
40 66 00
Network and Communication Equipment
40 63 83
Remote Terminal Units
40 63 43
Programmable Logic Controllers
40 63 13
Distributed Process Control Systems