Picture 1: What you see above in picture 1 is what you get.
Package comes with
RS232 converter plug
Power adapter rated AC110V-250V to DC9V
Offered here is a TEN (10) new good quality RS485/422 to RS232 converter. This converter is compatible with our RFID console shown in this picture: and . Because our RS485/232 converter comes with a power supply, it enables the communication distance from your RFID console to your PC to a maximum distance of 5000m or approximately 16,500 feet (assuming no signal interference , and you have a perfect cable system). The communication is more stable as compared to the cheaper models that does not come with power supply.
If you use a converter without power supply, the maximum distance is 1200m or approximately 7,260 feet (assuming no signal interference , and you have a perfect cable system).