Table 3: QoS requirements for medical data transfer [8].

Services Data rate Maximum delay Packet loss

Audio 4–25 kbps 150–400 ms 3%
Video 32–384 kbps 150–400 ms 1%
Electrocardiogram (ECG) 1–20 kbps approx. 1 s Zero
File transfer (FTP) Not available Not available Zero