From: Personal medical electronic devices and walk-through metal detector security systems: assessing electromagnetic interference effects
WTMD
Waveform
Frequency/pulse repetition rate
Pulse width (µS)
Rise/fall time (µS)
Absolute maximum field measured (A/m RMS)
WTMD-A
Multiple CW
3–14 kHz
N/A
21.3
WTMD-B
Pulsed
200–250 Hz
100–200
5–50
21.1
WTMD-C
27.9