Paragraph 4 Lone Worker Safety Alarm
Wireless telegraphy apparatus designed or adapted–
(a)
for the transmission of non-verbal signals to wireless telegraphy receiving apparatus summoning assistance for workers at isolated locations or working in hazardous environments; and
(b)
so as to be capable of use only–
(i)
at a power not exceeding 10 mW ERP on the 173.1875 MHz frequency; or
(ii)
at a power not exceeding 100 mW ERP on the 458.8375 MHz frequency.