- Trusted Seller EH-CPU516 Hitachi CPU Module- Manufacturer: Hitachi
- Model: EH-CPU
 CPU Module Processor Hitachi EH-CPU516 CPU Module Processor 16K Steps, 2 Ports (38.4 kbps) Clock Function, Modem Control Function, RS- 422/RS-485 Delicated/General Port Customer Service: Fujian, China

