| Description | Model | Function Description |
| Internal Call Controller | MCTC-IC-A | integrated MCTC - IC - A control panel, MCTC - IC - G1 antenna Plates and structural parts |
| Internal Call Controller With Password Keyboard Function | MCTC-IC-A2 | replaceable MCTC - IC - A, with the password keyboard function |
| Backdoor Swipe Card Antenna | MCTC-IC-G | used for through door and back door swipe card induction |
| IC Card Business Card Reader | MCTC-IC-W | connect the upper computer, used to make a special IC card |
| IC Card Dongle | MCTC-IC-L | connect to the host computer, used for the host computer software encryption |
| IC Card | MCTC-IC-C | card |
| MCTC-IC-C2 | key chain |
