The Paulmann 50140 Gent 2 remote control is designed to work with Zigbee 3.0 devices, but it is not specifically compatible with all Zigbee controllers without appropriate configuration and integration.

To find out if you can control a specific Zigbee controller (such as 93999) with this remote control, you need to check the following points:
- Check that the 93999 Zigbee controller is compatible with the Zigbee 3.0 protocol.
- Make sure that the controller and remote control are configured to work together, which may require specific settings or software updates.

In general, the Paulmann 50140 remote control is designed to control up to 30 lamps or luminaires in up to four groups, but compatibility with a specific controller depends on the configuration and compatibility of the devices.