| DD4UR1MC | UR1MC | Micro Bodypack Transmitter | Original Equipment | 2008-03-01 |
| DD4UR1MF | UR1MF | Micro Bodypack Transmitter | Original Equipment | 2008-03-01 |
| DD4UR1MG | UR1MG | Micro Bodypack Transmitter | Original Equipment | 2008-02-28 |
| DD4ULX1A | ULX1A | ULX1 Wireless Microphone Transmitter | Original Equipment | 2008-02-10 |
| DD4ULX2A | ULX2A | ULX2 Wireless Microphone Transmitter | Original Equipment | 2008-02-10 |
| DD4ULX1G3 | ULX1G3 | Wireless Microphone Transmitter | Original Equipment | 2008-02-07 |
| DD4ULX2G3 | ULX2G3 | Wireless Microphone Transmitter | Original Equipment | 2008-02-07 |
| DD4MX890L4 | MX890L4 | Wireless Desktop Base Microphone | Original Equipment | 2007-10-29 |
| DD4MX890J3 | MX890J3 | Wireless Desktop Base Microphone | Original Equipment | 2007-10-26 |
| DD4MX690L4 | MX690L4 | Wireless Boundary Microphone | Original Equipment | 2007-10-23 |
| DD4MX890H5 | MX890H5 | Wireless Microphone | Original Equipment | 2007-10-23 |
| DD4MX690J3 | MX690J3 | Wireless Boundary Microphone | Original Equipment | 2007-10-17 |
| DD4MX690H5 | MX690H5 | Wireless Boundary Microphone | Original Equipment | 2007-10-16 |
| DD4UR1A | UR1A | Non-Broadcast Transmitter worn on body | Original Equipment | 2007-10-02 |
| DD4P4TA | P4TA | Wireless Personal Monitor | Original Equipment | 2007-09-25 |
| DD4UR2A | UR2A | Non-Broadcast Transmitter Held to Face | Original Equipment | 2007-08-06 |
| DD4PG1 | PG1 | Non-Broadcast Transmitter Worn on Body | Original Equipment | 2006-03-10 |
| DD4PG2 | PG2 | Non-Broadcast Transmitter Held to Face | Original Equipment | 2006-03-10 |
| DD4UR1 | UR1 | Wireless Transmitter Worn on Body | Original Equipment | 2005-06-23 |
| DD4UR2 | UR2 | Wireless Transmitter Held to Face | Original Equipment | 2005-03-17 |
| DD4P7TB | P7TB | In Ear Monitoring System | Original Equipment | 2003-07-15 |
| DD4PA821 | PA821 | Antenna Combiner | Original Equipment | 2003-06-30 |
| DD4MX692 | MX692 | Wireless Boundary Microphone Transmitter | Original Equipment | 2003-05-15 |
| DD4P2T | P2T | Wireless Personal Monitor Transmitter | Original Equipment | 2002-04-17 |
| DD4U1J4 | U1J4 | Wireless Microphone | Original Equipment | 2001-12-12 |
| DD4U1M4 | U1M4 | Wireless Microphone | Original Equipment | 2001-12-10 |
| DD4U2J4 | U2J4 | Wireless Microphone | Original Equipment | 2001-12-09 |
| DD4U2M4 | U2M4 | Wireless Microphone | Original Equipment | 2001-12-09 |
| DD4ULX1 | ULX1 | Wireless Microphone | Original Equipment | 2001-11-03 |
| DD4ULX2 | ULX2 | Wireless microphone | Original Equipment | 2001-11-03 |
| DD4UT1D | UT1D | Belt Worn Wireless Microphone | Original Equipment | 2001-07-26 |
| DD4UT2D | UT2D | Face Held Wireless Microphone | Original Equipment | 2001-07-26 |
| DD4UT2C | UT2C | Lo Power Handheld Tramsmitter | Original Equipment | 2000-02-24 |
| DD4P4T | P4T | Lo Power Base Station Transmitter | Original Equipment | 2000-01-31 |
| DD4UT1B | UT1B | Lo Power Body Pack Transmitter | Original Equipment | 2000-01-24 |
| DD4UT2B | UT2B | Low Power Handheld TX | Original Equipment | 2000-01-24 |
| DD4UC1B | UC1B | | Original Equipment | 1999-11-10 |
| DD4UC2B | UC2B | | Original Equipment | 1999-11-10 |
| DD4PA770 | PA770 | Antenna Combiner | Original Equipment | 1999-06-25 |
| DD4U2B | U2B | Low Power Wireless Microphone | Original Equipment | 1999-04-27 |
| DD4U1B | U1B | LO POWER BODY PACK TRANSMITTER | Original Equipment | 1999-04-02 |
| DD4U1 | U1 | Lo power body pack transmitter | Original Equipment | 1999-03-03 |
| DD4P7T | P7T | Wireless Personal Stereo Monitor System | Original Equipment | 1999-02-12 |
| DD4U1H | U1H | UHF Wireless Body Pack Transmitter | Original Equipment | 1998-08-04 |
| DD4T88 | T88 | | Original Equipment | 1998-07-23 |
| DD4UT2 | UT2 | | Original Equipment | 1998-05-21 |
| DD4UT1 | UT1 | | Original Equipment | 1998-04-13 |
| DD4UT4 | UT4 | | Original Equipment | 1998-04-02 |
| DD4UC2 | UC2 | | Original Equipment | 1997-12-19 |
| DD4UC1 | UC1 | | Original Equipment | 1997-12-05 |
| DD4UC4 | UC4 | | Original Equipment | 1997-08-20 |
| DD4PA760 | PA760 | Combines Four Input Signals. | Original Equipment | 1997-07-28 |
| DD4P6T | P6T | | Original Equipment | 1997-04-16 |
| DD4P6R | P6R | | Original Equipment | 1997-01-31 |
| DD4LX88 | LX88 | | Original Equipment | 1996-12-02 |
| DD4U4 | U4 | Wireless Microphone Receiver | Original Equipment | 1996-03-28 |
| DD4U2 | U2 | | Original Equipment | 1996-01-24 |
| DD4LX3 | LX3 | Wireless Microphone Receiver | Original Equipment | 1995-06-30 |
| DD4LX4 | LX4 | | Original Equipment | 1995-04-10 |
| DD4T1 | T1 | | Original Equipment | 1994-03-07 |
| DD4T1A | T1A | | Original Equipment | 1994-03-07 |
| DD4T2 | T2 | | Original Equipment | 1994-03-07 |
| DD4T2A | T2A | | Original Equipment | 1994-03-07 |
| DD4T3 | T3 | Wireless Microphone Receiver | Original Equipment | 1993-12-13 |
| DD4T4 | T4 | Wireless Microphone Receiver | Original Equipment | 1993-12-13 |
| DD4SC1 | SC1 | | Original Equipment | 1993-11-02 |
| DD4SC1A | SC1A | | Original Equipment | 1993-11-02 |
| DD4SC2 | SC2 | | Original Equipment | 1993-11-02 |
| DD4SC2A | SC2A | | Original Equipment | 1993-11-02 |
| DD4SC4 | SC4 | | Original Equipment | 1993-11-01 |
| DD4EC11 | EC11 | | Original Equipment | 1992-10-28 |
| DD4EC11A | EC11A | | Original Equipment | 1992-10-28 |
| DD4EC2 | EC2 | | Original Equipment | 1992-10-28 |
| DD4EC2A | EC2A | | Original Equipment | 1992-10-28 |
| DD4L5 | L5 | | Original Equipment | 1992-10-22 |
| DD4EC4 | EC4 | | Original Equipment | 1992-09-25 |
| DD4T6 | T6 | | Original Equipment | 1992-09-25 |
| DD4L11A | L11A | | Original Equipment | 1990-11-26 |
| DD4L11 | L11 | | Original Equipment | 1990-10-16 |
| DD4L2 | L2 | | Original Equipment | 1989-07-24 |
| DD4L2A | L2A | | Original Equipment | 1989-07-24 |
| DD47VBRFV3 | 7VBRFV3 | | Original Equipment | 1989-03-14 |
| DD47VBRFU1 | 7VBRFU1 | | Original Equipment | 1989-03-08 |
| DD47VBRFV4 | 7VBRFV4 | | Original Equipment | 1989-03-06 |
| DD47VBRFU3 | 7VBRFU3 | Maximum rated input is 10W. | Original Equipment | 1989-02-13 |
| DD47VBRFV1 | 7VBRFV1 | | Original Equipment | 1988-10-07 |
| DD47D7L1A | 7D7L1A | | Original Equipment | 1988-09-20 |
| DD47D7L1 | 7D7L1 | | Original Equipment | 1988-09-16 |
| DD47D7L4 | 7D7L4 | | Original Equipment | 1988-09-08 |
| DD47D7L3 | 7D7L3 | | Original Equipment | 1988-01-05 |
| DD48NJW15HTA | 8NJW15HTA | | Original Equipment | 1987-10-22 |
| DD48NJW15HT | 8NJW15HT | | Original Equipment | 1987-10-14 |
| DD48NJW10BT | 8NJW10BT | Please submit equipment circuit diagram. | Original Equipment | 1986-08-19 |
| DD48NJW10BT-1 | 8NJW10BT-1 | Please submit equipment circuit diagram. | Original Equipment | 1986-08-19 |
| DD48NJW20R | 8NJW20R | | Original Equipment | 1986-08-11 |
| DD48NJW25DR | 8NJW25DR | | Original Equipment | 1986-08-11 |