A high-performance broadcast telephone hybrid delivering crystal-clear audio with 76dB line balance rejection, fully automatic operation, and advanced echo cancellation.

A new addition to the DHY-04 range, the DHY-04G can be used on a GSM cellular (mobile) phone network instead of a telephone (POTS) line.

The DHY-04GPCON is a front panel conversion kit, to a 1U rack mounted DHY-04G and DHY-04.

A new addition to the DHY-04 range is the ability for the DHY-04GS , a 1U rackmount telephone hybrid version, to be used on a GSM cellular (mobile) phone network instead of a telephone (POTS) line.

The DHY-04GT is a 1U rackmount twin GSM hybrid which can be used on a GSM cellular (mobile) phone network instead of a telephone (POTS) line.

The DHY-04GTCON is a front panel conversion kit, changing two DHY-04G free standing units, or two DHY-04GS units to a DHY-04GT.

The DHY-04HD HD Voice Hybrid is used on a 3G or GSM cellular (mobile) phone network instead of a telephone (POTS) line.

The DHY-04HDCON is a front panel conversion kit, changing the DHY-04HDS to a DHY-04HD.

The DHY-04HD HDS is a 1U rackmount single HD Voice Hybrid which is used on a 3G or GSM cellular (mobile) phone network instead of a telephone (POTS) line.

The DHY-04HDSCON is a front panel conversion kit, changing the DHY-04HD to a DHY-04HDS.

The DHY-04HD HDT is a 1U rackmount twin HD Voice Hybrid which is used on a 3G or GSM cellular (mobile) phone network instead of a telephone (POTS) line.

The DHY-04HDTCON is a front panel conversion kit, changing two DHY-04HD free standing units, or two DHY-04HDS units to a DHY-04HDT.

The HY-03DTD is a dial tone detect add-on board for the HY-03 range of products.