Assertion: mobile phone's antenna | /r/HasProperty | limited to maximum 3 watts
Facets:
value: in an effort
type: TEMPORAL
Source sentences:
text: In an effort to limit the potential harm from having a transmitter close to the user's body, the first fixed/mobile cellular phones that had a separate transmitter, vehicle-mounted antenna, and handset (known as car phones and bag phones) were limited to a maximum 3 watts Effective Radiated Power.