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fire alarm voice prompts
Capacity: 1200mAh
1x 4P Pin Headers
Working frequency range (433
Measurement accuracy : ± 0
USB to DB9 Adapter Back-to-back RS232 Serial Com Port pro set fire alarm voice promptsThe USB to RS232 serial port adapter provides the connection between USB and the traditional RS232 serial port. The adapter is designed for connections to cellular phone, PDA, digital cameras, modems, or ISDN terminal adapters through your USB port. Since the adapter uses no IRQs, it is perfect for you to connect your serial devices attached to your PC. And there comes with a useful USB extension cable. USB specification 2. 0 compliant Supports RS232
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