High Tech Computer (HTC) has launched four new smart phones including its rival to the BlackBerry.

The HTC S620, formerly codenamed Excalibur, is a slender 12.8mm thick phone and weighs 130g. It's designed to promote the push email of Microsoft's Windows Mobile 5.0 software and to compete with RIM's popular BlackBerry.

It has a navigation bar below the screen which provides easy access to Outlook Mobile, Word Mobile, Powerpoint Mobile and a PDF viewer. It has a 2.4in colour screen, a full Qwerty keypad and a host of wireless functions, including quad-band GPRS and EDGE, WLAN and Bluetooth.

The other phones also run Windows Mobile 5.0, and all come with a mobile version of Microsoft Office, which includes most Office applications except Excel. All of the phones are being offered first in Europe, with the US and possibly Asia to follow.

The HTC P3300 is a smart phone that combines PDA functions with GPS, and marks the start of a new partnership with TomTom, maker of navigation products. It has a 2.8in colour screen to view a set of pre-installed maps for Western Europe. The handset runs Microsoft Windows Mobile 5.0 and other Microsoft applications.

The P3600 covers those users that want a 3G smart phone with high-speed Internet connectivity. It features email, calendar and word processing software. It also has a 2.0 megapixel camera and comes ready to run on HSDPA networks. It's due later this month.

The last handset, the HTC S310, is a small, candy-bar style quad-band mobile designed primarily for messaging and again available later this month.

HTC claims to have signed up "leading European mobile operator partners" to sell the devices but so far has only announced that T-Mobile will be selling a customised version of the P3300. In the UK, Portix and Expansys will also sell the phones.