Wireless POS devices

Links for Mobile POS devices:

In general lower transaction fee for card present transactions because of reduced chance of fraud; debit cards have even lower transaction fees but require pin number entry vs. credit cards do not; and no authorization number needed if amount of transaction $25 or less.

Link 1 Bankrate Article

Link 2 Rim Blackberry 950 combined with Apriva M500 for accepting credit cards (WOW). Wireless access over cingular mobitex 900 MHZ network at only 8kpbs but that is sufficient for transfering card information in about 4 seconds and doesnt drain battery life as do laptops running broadband wireless. $449

{One AAA battery for 3.3 ounce card swipe unit; One AA battery for 4.7 ounce blackberry. IRDA available for printing; and vitual internet terminal & 802.11b access in lieu of mobitex network; plus real time web reporting of operators/terminals.}

Link 3 seems like it can handle GSM/Edge or CDMA 1xRTT ...question is can it support CDMA 1xEV-DO broadband wireless now available in Las Vegas at 300-500 kbps down and 40-60 kbps up? Exadigm is based in Tustin, CA Phone: (714) 259-0202

Link 4 seems says GPRS & CDMA capable but question is how and what level of CDMA ...where is slot for PC card?

Link 5 - LV Company with matrix of solution providers