Shure: here is MXC605, entry level solution for conferences
IHB Systems prescribes Shure Microflex Wireless microphone network for Doctors of BC headquarters in Vancouver - Shure USA
Solutions
Shure Microflex MXC615 Portable Conference Unit - AudioLinks
Truly Flexible Conferencing Audio
Microflex® Wireless - Wireless Microphone Systems - Shure USA
Microflex Complete Wireless - Digital Conference Systems - Shure USA
Truly Flexible Conferencing Audio
Multi-Media WiFi Wireless Conference System Microphone with Internal Loudspeaker - China Microphone, Conference System