O-ho! Q: When is a mobile phone not a mobile phone? A: When it’s a single button, single number, single text message, GPS locator phone PSD.

‘PSD is a communication device working via GSM mobile network. It can be used either as a phone with limited functions or as a personal security device. Device has one control button, security loop, headset input and sling for neck strap…Keypress places call to predefined number…SMS with GPS data is sent.’