Spengler LeECG Serie Manuel De L'utilisateur page 221

and (2) this device must accept any interference received, including interference
that may cause undesired operation.
Warning
Any Changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment.
Warning
The WLAN function for this device is restricted to indoor use only when
operating in the 5150 to 5350 MHz frequency range.
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