The Bosch 509e was launched in 1999. This variant was made from translucent orange injection moulded polycarbonate (plastic) and fittingly was sold to work on the Orange network in the UK. There was also a clear plastic version of this handset and numerous other colours including green, yellow, purple and black.
The monochrome display had a resolution of 4 x 16 characters.
A call register logged the last 10 received, dialled and missed calls and call timers recorded the duration of your most recent call together with a cumulative total. You could also choose from a selection of 27 pre-loaded ring tones.
In addition to the normal phone functions, the Bosch 509e provided full support for SMS text messaging and also included a calculator.
Some information courtesy of Nigel Linge & Andy Sutton, the authors of 30 Years of Mobile Phones in the UK (Paid Link)