tTXD-IDLE 5 ms Time from last character is sent on the UART until module is in IDLE mode (ready for RXD and RX) tPACKETTIMEOUT Programmable If enabled, the packet timeout can be configured from 32 ms to 4.08 s. If end character or fixed packet length is used, the timeout is 0 tRXD-CTS 25 us Time from last character is received by the UART (including any timeout) until CTS is activated tRXD-TX 1.3 ms Time from last character is received by the UART (including any timeout) until the module sends the first byte on the air. tTX-IDLE 5 ms Time from last character is sent on