| Atomic Radio Clocks (Hardware) | Product code |
| Time and Date Radio Controlled Computer Clock. Serial Interface. | CIM 01000 |
| Desktop Atomic Radio Controlled Computer Clock. Serial interface, time, signal strength and date display, alarm functions. | CDM 01000 |
| Industrial Atomic Radio Controlled Computer Clock. Serial interface, time, signal strength and date display, alarm functions. | CWM 01010 |
| Remote Antenna (IP65) Atomic Radio Controlled Computer Clock with remote antenna up to 150m (500 ft) away. Serial interface, LED signal display power supply and converter. | IP65/ RT/xx |
| Remote Antenna (IP65) as above plus integral Time display and signal strength indicator | RTA/D/xx |