ECCN 5A991

• b.Telecommunication transmission equipment and systems, and specially designed "parts," "components" and "accessories" therefor, having any of the following characteristics, functions or features:
• a.Categorized as follows, or combinations thereof:
• b.Designed for use in single or multi-channel communication via any of the following:
• 1. Employing digital techniques, including digital processing of analog signals, and designed to operate at a "digital transfer rate" at the highest multiplex level exceeding 45 Mbit/s or a "total digital transfer rate" exceeding 90 Mbit/s;
• 2. Modems using the "bandwidth of one voice channel" with a "data signaling rate" exceeding 9,600 bits per second;
• 3. Being "stored program controlled" digital cross connect equipment with "digital transfer rate" exceeding 8.5 Mbit/s per port.
• 4. Being equipment containing any of the following:
• 4.a. "Network access controllers" and their related common medium having a "digital transfer rate" exceeding 33 Mbit/s; or
• 4.b. "Communication channel controllers" with a digital output having a "data signaling rate" exceeding 64,000 bit/s per channel;
• 5. Employing a "laser" and having any of the following characteristics:
• 5.a. A transmission wavelength exceeding 1,000 nm; or
• 5.b. Employing analog techniques and having a bandwidth exceeding 45 MHz;
• 5.c. Employing coherent optical transmission or coherent optical detection techniques (also called optical heterodyne or homodyne techniques);
• 5.d. Employing wavelength division multiplexing techniques; or
• 5.e. Performing "optical amplification";
• 6. Radio equipment operating at input or output frequencies exceeding:
• 6.a. 31 GHz for satellite-earth station applications; or
• 6.b. 26.5 GHz for other applications;
• 7. Being radio equipment employing any of the following:
• 7.a. Quadrature-amplitude-modulation (QAM) techniques above level 4 if the "total digital transfer rate" exceeds 8.5 Mbit/s;
• 7.b. QAM techniques above level 16 if the "total digital transfer rate" is equal to or less than 8.5 Mbit/s;
• 7.c. Other digital modulation techniques and having a "spectral efficiency" exceeding 3 bit/s/Hz; or
• 7.d. Operating in the 1.5 MHz to 87.5 MHz band and incorporating adaptive techniques providing more than 15 dB suppression of an interfering signal.
• a.Having any of the following:
• 1. Not exceeding 960 MHz; or
• 2. With a "total digital transfer rate" not exceeding 8.5 Mbit/s; and
• b.Having a "spectral efficiency" not exceeding 4 bit/s/Hz.
• c."Stored program controlled" switching equipment and related signaling systems, having any of the following characteristics, functions or features, and specially designed "parts," "components" and "accessories" therefor:
• 1. "Data (message) switching" equipment or systems designed for "packet-mode operation" and "parts," electronic assemblies and "components" therefor, n.e.s.
• 3. Routing or switching of "datagram" packets;
• 5. Multi-level priority and pre-emption for circuit switching;
• 6. Designed for automatic hand-off of cellular radio calls to other cellular switches or automatic connection to a centralized subscriber data base common to more than one switch;
• 7. Containing "stored program controlled" digital cross connect equipment with "digital transfer rate" exceeding 8.5 Mbit/s per port.
• 8. "Common channel signaling" operating in either non-associated or quasi-associated mode of operation;
• 9. "Dynamic adaptive routing";
• 10. Being packet switches, circuit switches and routers with ports or lines exceeding any of the following:
• 10.a. A "data signaling rate" of 64,000 bit/s per channel for a "communications channel controller"; or
• 10.b. A "digital transfer rate" of 33 Mbit/s for a "network access controller" and related common media;
• 11. "Optical switching";
• 12. Employing "Asynchronous Transfer Mode" ("ATM") techniques.
• d.Optical fibers and optical fiber cables of more than 50 m in length designed for single mode operation;
• e.Centralized network control having all of the following characteristics:
• 1. Receives data from the nodes; and
• 2. Process these data in order to provide control of traffic not requiring operator decisions, and thereby performing "dynamic adaptive routing";
• f.Phased array antennas, operating above 10.5 GHz, containing active elements and distributed "parts" or "components," and designed to permit electronic control of beam shaping and pointing, except for landing systems with instruments meeting International Civil Aviation Organization (ICAO) standards (microwave landing systems (MLS)).
• g.Mobile communications equipment, n.e.s., and "parts," electronic assemblies and "components" therefor; or
• h.Radio relay communications equipment designed for use at frequencies equal to or exceeding 19.7 GHz and "parts" and "components" therefor, n.e.s.

2 items reserved by BIS (not shown)