If your looking for a wireless waitress/waiter order taker, why not use a PDA mobile phone, these can be purchased for less than £350 and Manufactured by HTC, this feature-packed phone / PDA is also known as the HTC Artemis (HTC P3300), and is also branded as the T-Mobile MDA Compact III. An advantage of a mobile phone wireless pda is they can be purchased under a monthly contract from your local mobile phone shop and can also be used as a mobile phone out of work hours