31. Currently, there are no ICAO provisions concerning the use of RA downlink by air traffic controllers. 32. The UNIC architecture employs DVB-S2 standard for downlink and DVB-RCS standard for uplink. 33. LTE provides up to 300 Mbit / s for downlink and 75 Mbit / s for uplink. 34. ASN-GW creates a GRE tunnel per service flow and encapsulates downlink traffic along with IPSec. 35. The technology, which was supplied by Huawei, achieved a peak downlink rate of 150 Mbps. 36. PACSAT communicated with ground stations through a single downlink channel and a total of four uplink channels. 37. "But there's a bit of a jeopardy to just having a downlink ." 38. "The downlink bands are not paired with any uplink bands, " the company wrote. 39. The leg of the signal path from the satellite to the receiving Earth station is called the downlink . 40. This important relationship between downlink precoding and uplink receive filtering is known as the uplink-downlink duality.