TrustedReviews have looked at the SMC EliteConnect Wireless Hotspot Gateway.
A quote from the article:
SMC EliteConnect Wireless Hotspot Gateway Review
SMC offers a simple solution for providing wireless hotspot services with a range of payment methods. It's still a little pricey but is particularly easy to set up and use, provides good accounting facilities and is better value bundle than, which costs around £100 more.
SMC EliteConnect Wireless Hotspot Gateway Review