Compatible with DECT / CAT-iq routers that support the new repeater standard ETS300700 V2.1.1 (VoIP, encryption, call forwarding) * (possible functional restrictions, e.g. with encryption)
Compatible with all DECT routers * (functional restrictions possible, e.g. with encryption)
All Gigaset handsets fully support HX repeater operation.

Full repeater compatibility and
- expandable up to 6 HX repeaters:
Gigaset DX800A all-in-one
Gigaset DL500A
- expandable to 2 HX repeaters:
Gigaset analogue base stations of the C / S / SL class
Gigaset GO systems (GO Box 100)
Gigaset IP systems, e.g. C430IP / C530IP,
Backwards compatible with other Gigaset devices that support a DECT repeater (with Repeater 1.0 - Range Extension functionality): Class A base stations, E560 / E560A base stations.