In some mail from Dana Hudes, sie said: > > you will find a range of MTU sizes in radio links of various sorts which > is not just 802.11 but also cellular including GPRS CDMA and WCDMA. > Now, in many instances there is a proxy between the mobile station and the > public network. In fact I wrote a powerpoint presentation summarizing such > a paper on transparent TCP proxy in WCDMA and its on my site > http://www.networkengineer.biz (I took a course in wireless > architecture). This website does nothing more than show ads if you are using mozilla. Please do better than that if you're posting to a public forum. In many instances, the traffic I've seen between base stations and mobile phones has a "normal" MTU. (I worked on software that handles wireless data.) Darren