UEI's DNx-429-566 (ARINC 429 Interface board with 6 TX and 6 RX channels) features 6 TX and 6 RX channels, high (100 kHz) or low (12.5 kHz) speed selectable by channel, hardware label filtering, hardware TX scheduler (100 µs timing resolution), automatic timestamping of RX data (if desired) and a powerful API included.UEI's DNx-429-512 (ARINC 429 Interface board with 12 RX channels) features 12 RX channels, high (100 kHz) or low (12.5 kHz) speed selectable by channel, hardware label filtering, hardware TX scheduler (100 timing resolution), automatic timestamping of RX data (if desired) and a powerful API included.UEI's DNx-429-516 (High Performance 16-channel TX ARINC 429 Interface) features 16 ARINC 429 transmit channels, high (100 kHz) or low (12.5 kHz) speed selectable by channel, hardware Label filtering, hardware TX scheduler (100 µs timing resolution), 350 Vrms isolation (in 8 groups of 2-channels), and Guardian Series Diagnostics (on-board 429 RXs allow read-back on each channel).