These are mature products no longer offered for sale. Firmware updates and documentation are still available. Datasheets of these legacy products are provided here.
7K Repeater Controller - 2-1/2 port (3-RX/2-TX) repeater controller with optional audio delay, optional autopatch and optional speech synthesizer.
6K Repeater Controller - 1-1/2 port (2-RX/1-TX) repeater controller with optional audio delay and optional autopatch.
5K Repeater Controller - 1 port (1-RX/1-TX/1-Ctrl) repeater controller with optional audio delay.
MRC-100 Repeater Controller - 1 port (1-RX/1-TX/1-Ctrl) repeater controller with optional autopatch.