This Technophone 305 (Model number: PC215T) was an ETACS phone released in 1992. Technophone was a British mobile phone manufacturer that was taken over by Nokia in 1991 however, Nokia retained the Technophone brand for some time afterwards.
The Technophone 305's display comprised two rows; an upper row of 10 characters and a lower status row that included a signal strength, battery and volume indicator and a status message to show what function was being performed, i.e. CALL, BUSY, MUTE.
An address book stored 99 telephone numbers and associated names of up to 10 characters each. Advanced functions were provided through three menus that gave access to features such as loudspeaker mode, name search, the selection of one of four ring tones, a range of call timers and a battery warning/save function.
The Technophone 305 was advertised as leading the world in cellular telephone technology. The marketing carried on the box proclaimed: "With the support of leading-edge manufacturing technology, the Technophone range benefits from substantial and continuous investment in research and development. With cellular telephone products amongst the best in the world, Technophone is a world leader in this rapidly advancing field. Technophone cellular phones are amongst the most advanced in the world forming a range as innovative as it is technologically advanced."
Some information courtesy of Nigel Linge & Andy Sutton, the authors of 30 Years of Mobile Phones in the UK (Paid Link)