... Band:2402MHz-2479MHz2,Transfer rate:250K,receiver sensitivity: less than -100.Product Name: Wireless Voice/Non-visual Doorbell 1,2. ... :250K,receiver sensitivity: less than -100.3,Launch power:less than 20dBm(100mw)4,AFH Adaptive Frequency Hopping technology, with wireless LAN ... meters for barrier free Details:Wireless intercom doorbell is a set of multi-way intercom system,can be uesd in offices ...