36630 - Radio & Television communications equipment (Miscellaneous)
36631 - Communication systems & Equipment, except broadcast
3663101 - - Communication systems & Equipment, except broadcast: Transmitters, Receivers, RF power amplifiers & Radio communications: VLF & LF (> 300 kHz)
3663102 - - Communication systems & Equipment, except broadcast: Transmitters, Receivers, RF power amplifiers & Radio communications: Medium & High frequency (300 kHz to 30 MHz)
3663103 - - Communication systems & Equipment, except broadcast: Transmitters, Receivers, RF power amplifiers & Radio communications: VHF & UHF (To 890 MHz)
3663104 - - Communication systems & Equipment, except broadcast: Transmitters, Receivers, RF power amplifiers & Radio communications: Microwave 890 to 1849 MHz
3663105 - - Communication systems & Equipment, except broadcast: Transmitters, Receivers, RF power amplifiers & Radio communications: Microwave 1850 to 3699 MHz
3663106 - - Communication systems & Equipment, except broadcast: Transmitters, Receivers, RF power amplifiers & Radio communications: Microwave 3700 to 6424 MHz
3663107 - - Communication systems & Equipment, except broadcast: Transmitters, Receivers, RF power amplifiers & Radio communications: Microwave 6425 to 7899 MHz
3663108 - - Communication systems & Equipment, except broadcast: Transmitters, Receivers, RF power amplifiers & Radio communications: Microwave 7900 MHz to 12.20 GHz
3663109 - - Communication systems & Equipment, except broadcast: Transmitters, Receivers, RF power amplifiers & Radio communications: Microwave 13.25 to 19.59 GHz
3663111 - - Communication systems & Equipment, except broadcast: Transmitters, Receivers, RF power amplifiers & Radio communications: Microwave 19.60 to 56.00 GHz
3663113 - - Communication systems & Equipment, except broadcast: Light communications systems & Equipment, Electronic: Fiber optic systems & Equipment
3663114 - - Other Light communication systems & Equipment, incl Laser communication systems & Equipment & Infrared equipment
3663117 - - Radio communications systems (except broadcast) Amateur
3663119 - - Radio communications systems (except broadcast) Broadcast (Sound & Television)
3663121 - - Radio communications systems (except broadcast) Earth exploration
3663123 - - Radio communications systems (except broadcast) Meteorological
3663125 - - Radio communications systems (except broadcast) Fixed
3663127 - - Radio communications systems (except broadcast) Intersatellite
3663129 - - Radio communications systems (except broadcast) Telecommand
3663131 - - Radio communications systems (except broadcast) Telemetry
3663133 - - Radio communications systems (except broadcast) Radio navigational & Locational
3663135 - - Radio communications systems (except broadcast) Aeronautical
3663136 - - Communication systems & Equipment, except broadcast: Carrier equipment: Voice channel multiplex for Radio systems
3663137 - - Communication systems & Equipment, except broadcast: Carrier equipment: Power line carrier equipment
3663138 - - Communication systems & Equipment, except broadcast: Space satellite communication systems
3663139 - - Communication systems & Equipment, except broadcast: Telemetering systems & Equipment (General) sold separately
3663142 - - Radio communications systems (except broadcast) Mobile cellular systems equipment (except switching equipment)
3663144 - - Radio communications systems (except broadcast) other Conventional & Trunked mobile system equipment
3663146 - - Radio communications systems (except broadcast) other Mobile
3663148 - - Checkout, Monitoring, Evaluation & other Electronic support equipment for Communications systems
3663149 - - Communication systems & Equipment, except broadcast: Mobile radio systems, sold as complete package: Airborne & Marine
3663151 - - Communication systems & Equipment, except broadcast: Mobile radio systems, sold as complete package: Ground
3663152 - - Communication systems & Equipment, except broadcast: Mobile base stations, Transmit/receive, except amateur & Citizens' Radio equip: Air
3663153 - - Communications antenna systems, sold separately, Below 890 MHz
3663154 - - Communication systems & Equipment, except broadcast: Mobile base stations, Transmit/receive, except amateur & Citizens' Radio equip: Marine
3663155 - - Communications antenna systems, sold separately, 890 MHz & Above
3663156 - - Communication systems & Equipment, except broadcast: Mobile base stations, Transmit/receive, except amateur & Citizens' Radio equip: Ground
3663157 - - Fiber optics OC-1 communications equipment (except broadcast) meeting SONET standards (excl connectors, Cable, Diodes & Multiplexors)
3663159 - - Fiber optics OC-2 & -3 communications equipment (except broadcast) meeting SONET standards (excl connectors, Cable, Diodes & Multiplexors)
3663161 - - Fiber optics OC-4 to OC-9 communications equip. (except broadcast) meeting SONET standards (excl connectors, Cable, Diodes & Multiplexors)
3663162 - - Communication systems & Equipment, except broadcast: Mobile vehicular, Transmitter/receivers package, except amateur & Citizens' Radio: Airborne
3663163 - - Fiber optics communications equipment greater than OC-9 (except broadcast) meeting SONET standards (excl connectors, Cable, Diodes & Multiplexors)
3663164 - - Communication systems & Equipment, except broadcast: Mobile vehicular, Transmitter/receivers package, except amateur & Citizens' Radio: Marine
3663165 - - Communication systems & Equipment, except broadcast: Mobile vehicular, Transmitter/receivers package, except amateur & Citizens' Radio: Ground: 300 kHz to 30 MHz
3663166 - - Communication systems & Equipment, except broadcast: Mobile vehicular, Transmitter/receivers package, except amateur & Citizens' Radio: Ground: 72.99 to 150.7 MHz
3663167 - - Communication systems & Equipment, except broadcast: Mobile vehicular, Transmitter/receivers package, except amateur & Citizens' Radio: Ground: 30.00 to 72.98 MHz
3663168 - - Communication systems & Equipment, except broadcast: Mobile vehicular, Transmitter/receivers package, except amateur & Citizens' Radio: Ground: 150.8 to 174.0 MHz
3663169 - - Fiber optics communications equipment (except broadcast) not meeting SONET standards (excl connectors, Cable, Diodes & Multiplexors)
3663171 - - Communication systems & Equipment, except broadcast: Mobile vehicular, Transmitter/receivers package, except amateur & Citizens' Radio: Ground: 406.0 to 512.0 MHz
3663172 - - Communication systems & Equipment, except broadcast: Mobile vehicular, Transmitter/receivers package, except amateur & Citizens' Radio: Ground: 806 MHz & higher
3663173 - - Other Communications carrier equipment (General, except broadcast)
3663179 - - Other Communications systems & Equipment (except broadcast)
3663182 - - Communication systems & Equipment, except broadcast: Portable receivers, Transceivers & Transmitter/receivers, except amateur & Citizens' Band: Portable, incl Pocket size
3663184 - - Communication systems & Equipment, except broadcast: Portable receivers, Transceivers & Transmitter/receivers, except amateur & Citizens' Band: Pager (One-way)
3663185 - - Parts & Subassemblies for Mobile, Portable & Base stations radios
3663187 - - Communication systems & Equipment, except broadcast: Transmitters & RF power amplifiers, Receivers, Transceivers, Transmitter/receivers, etc.: CB transceivers, Handheld & Other
3663188 - - Amateur radio communications equipment, Fixed, Mobile & Portable (Transmitters & RF power amplifiers, Receivers, Transceivers, Transmitter/receivers, etc.)
3663189 - - Communication systems & Equipment, except broadcast: Facsimile communication equipment
3663191 - - Communication systems & Equipment, except broadcast: Electronic checkout, Monitoring, Evaluation & other Electronic support equipment for Communication systems
3663192 - - Communication systems & Equipment, except broadcast: Antenna systems, excl structural towers, sold separately: Communications antennae, > 890 MHz
3663194 - - Communication systems & Equipment, except broadcast: Antenna systems, excl structural towers, sold separately: Microwave, 890 MHz or more (Horns, Parabolas, etc.) sold separately
3663198 - - Other Communication equipment, sold separately, incl Earphones & Headsets (Monaural); Modulators (AM, FM pulse); Keying equipment (General); Electronic megaphones; Communication security & Cryp
36632 - Broadcast, Studio & related electronic equipment
3663212 - - Broadcast, Studio & related electronic audio amplifiers & Preamplifiers
3663213 - - Broadcast, Studio & related electronic audio control consoles & Switchers
3663217 - - Other Broadcast, Studio & related electronic audio equipment, incl Power supplies, Terminal equipment, Broadcast recorders, etc.
3663222 - - Broadcast, Studio & related electronic video amplifiers
3663224 - - Broadcast, Studio & related electronic television cameras
3663225 - - Broadcast, Studio & related electronic videotape recorders
3663228 - - Other Broadcast, Studio & related electronic video equip. (Power supplies, Synchronization equip., Terminal equip. monitors, Telecine chains, etc.)
3663229 - - Other (Power supplies, Synchronization equipment, Terminal equipment, Monitors, Video tape recorders & Parts & Accessories thereof, Telecine chains, Control consoles & Switchers, Film equipment,
3663231 - - Broadcast, Studio & related electronic AM & FM transmitters
3663234 - - Broadcast, Studio & related electronic television transmitters
3663237 - - Other Broadcast, Studio & related electronic transmitters, Translators, RF power amps & related equipment
3663239 - - Studio transmission links (STL) & Remote pickup equipment
3663241 - - Cable television head end equipment (Antenna baluns, Carrier generators, Head-end control units, Amplifiers, etc.)
3663242 - - Cable television (Master antennae & CATV equipment): Subscriber equipment (Decoders, Converters & Switchers, Wall outlet taps, Distribution amplifiers, Power supplies, Directional couplers, Spli
3663243 - - Cable television broadcasting transmitting antennae & Community antenna systems
3663244 - - Closed circuit television systems & Equipment
3663245 - - Other Broadcast, Studio, Theater & Commercial sound equipment, sold separately
3663246 - - Cable television subscriber converters
3663249 - - Other Cable television subscriber equipment (Decoders, Switchers, Wall outlet taps, Distribution amplifiers, etc.)
3663259 - - Parts & Accessories for Broadcast, Studio & related electronic equipment (sold separately)
3663XX0 - - Radio & Television communications equipment (Miscellaneous)
3663XX2 - - Radio & Television communications equipment (Miscellaneous : Speciality )