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1' USB to RS-232 (DB-9 Male) Cable - Add a Serial Port to your DVR System via USB! Support PTZ Control or Datas
- Model #: USB-RS232
- $20.00 –
- $7.49 Shipping
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3" USB to RS-232 (9-pin) (25-Pin) Serial Adapter with USB Extension Cable - Add a Serial Port to your DVR system
- Model #: BL-800A
- $25.00 –
- $7.49 Shipping