* Alternatives to global cellular roaming emerge
* Roaming charges might hinder iPhone use in multinationals
* Will single- or dual-mode technology prevail?
* Some questions need settling about single-mode femtocell service
* University discards leaky coax setup to gain capacity
* Meru prepares to halt Wi-Fi signal seepage from corporate perimeter
* The pros and cons of dynamic frequency selection
* What does dynamic frequency selection mean - or not mean - to you?
* Security expert identifies emerging wireless vulnerabilities
* Pieces of WiMAX puzzle falling into place
