| 2011-06-28 | C2R-TRE-SBMD | TRE-SBMD | Ranger Electronic Communications Inc |
| 2008-12-29 | C2R-310-139 | 310-139 | Ranger Electronic Communications Inc |
| 2008-11-19 | C2R-SM-099 | SM-099 | Ranger Electronic Communications Inc |
| 2008-02-26 | C2R-PPR-125 | PPR-125 | Ranger Electronic Communications Inc |
| 2003-05-02 | MEE-DX-929 | DX-929 | Ranger Electronic (Shanghai) Inc |
| 2003-04-08 | MEE-DX-979 | DX-979 | Ranger Electronic (Shanghai) Inc |
| 2002-05-29 | MEE-VX-129CN | VX-129CN | Ranger Electronic (Shanghai) Inc |
| 2002-04-18 | C2R5054DX100 | 5054DX100 | Ranger Electronic Communications Inc |
| 2001-06-19 | C2R5054DX | 5054DX | Ranger Electronic Communications Inc |
| 1999-07-15 | C2R-DX-2537 | DX-2537 | Ranger Electronic Communications Inc |
| 1999-07-09 | C2R-DX-2537 | DX-2537 | Ranger Electronic Communications Inc |
| 1999-07-09 | C2R-DX-2547 | DX-2547 | Ranger Electronic Communications Inc |
| 1999-07-09 | C2R-DX-2547 | DX-2547 | Ranger Electronic Communications Inc |
| 1995-09-01 | MEESCANNER-1 | SCANNER-1 | Ranger Electronic (Shanghai) Inc |
| 1994-06-21 | C2R-77-099 | 77-099 | Ranger Electronic Communications Inc |
| 1994-06-20 | C2R-77-099 | 77-099 | Ranger Electronic Communications Inc |
| 1993-07-27 | C2R-VR-HR50U | VR-HR50U | Ranger Electronic Communications Inc |
| 1988-12-20 | C2R79F1500GWD | 79F1500GWD | Ranger Electronic Communications Inc |
| 1988-07-26 | C2R79FSRL2200D | 79FSRL2200D | Ranger Electronic Communications Inc |
| 1988-07-26 | C2R79FSRL1200B | 79FSRL1200B | Ranger Electronic Communications Inc |
| 1988-06-28 | C2R8UI1200U | 8UI1200U | Ranger Electronic Communications Inc |
| 1986-08-11 | C2R79F7800 | 79F7800 | Ranger Electronic Communications Inc |
| 1986-08-11 | C2R79F7800 | 79F7800 | Ranger Electronic Communications Inc |
| 1985-11-27 | C2R79F060 | 79F060 | Ranger Electronic Communications Inc |
| 1985-11-27 | C2R79F060 | 79F060 | Ranger Electronic Communications Inc |
| 1985-07-26 | C2R79F2600 | 79F2600 | Ranger Electronic Communications Inc |
| 1985-07-26 | C2R79F2600 | 79F2600 | Ranger Electronic Communications Inc |
| 1985-06-26 | C2R79F6800 | 79F6800 | Ranger Electronic Communications Inc |
| 1985-06-26 | C2R79F6800 | 79F6800 | Ranger Electronic Communications Inc |
| 1985-01-21 | C2R79F1080 | 79F1080 | Ranger Electronic Communications Inc |
| 1985-01-21 | C2R79F1080 | 79F1080 | Ranger Electronic Communications Inc |
| 1984-07-18 | C2R79F5500 | 79F5500 | Ranger Electronic Communications Inc |
| 1984-07-18 | C2R79F5500 | 79F5500 | Ranger Electronic Communications Inc |
| 1983-12-21 | C2R79FSRC-1000H | 79FSRC-1000H | Ranger Electronic Communications Inc |
| 1983-12-21 | C2R79FSRC-1000B | 79FSRC-1000B | Ranger Electronic Communications Inc |