Trapeze Networks has teamed with a mobility appliance start-up to demonstrate handoffs between cellular and Wi-Fi networks, the company said last week. Trapeze said its wireless LANs can interoperate with appliances from DiVitas to let any Microsoft Windows Mobile 5.0 handset go seamlessly from a cellular to a Wi-Fi network. With DiVitas client software on the handset, a user talking on the phone could move from one network to the other and back without any involvement by the cellular service provider.

Kaspersky Lab has released a beta version of mobile anti-virus software for smart-phones using the Symbian operating system. The product, called Kaspersky Anti-Virus Mobile 2.0, can stop suspicious programs before they infect the phone and scan devices for malicious software, the company says. The software is equipped to block suspect Short Message Service and Multimedia Messaging Service messages. It can be set to download regular updates from Kaspersky Lab servers by Wireless Application Protocol or HTTP. Anti-Virus Mobile is compatible with phones using the Symbian 6.1, 7.0s, 8.0 or 8.1 operating system versions and the Series 60 user interface.

Buffalo Technology has announced a combination router and access point, a PC Card adapter for notebooks, and a PCI adapter for desktops. The products are based on Draft 1.0 of the IEEE 802.11n standard, which boosts the real throughput of wireless LANs beyond the 100Mbps speed of the typical wired Ethernet connections to a PC. The AirStation Nfiniti Wireless Router and Access Point has an integrated, four-port 10/100Mbps Ethernet switch, Buffalo says. The combined router and access point and notebook adapter are available for $179 and $129 respectively, The PCI adapter costs $129.