Actually, the Blue Fritz! USB v2.0 a good product with good reach and a solid own Bluetooth stack of AVM. But alas, unfortunately it only supports Bluetooth 1.1, ie no adaptive frequency hopping, is intended to prevent interference with simultaneous operation of WLANs. The stick works great with my Logitech headset and the Motorola DC800 Audio Gateway (A2DP) together, but only if you do not have WiFi run on. Why AVM here not the standard 1.2 support, especially since there is already the standard 2.0 with up to 2 Mbit / s, is beyond me. So who has no WLAN is certainly happy with the stick, all others should rather take another. The fact that the implementer standard is nowhere indicated, really can not be more than three stars to ...
