Description: 🔥 Local Ready stock; Ship from Malaysia 🔥 Local warranty; Genuine Product as we are Authorized Reseller in Malaysia  Brand: UOTEK by Utek Technology Model:UT-2201 compatible RS-232C and RS-485 standard is able to convert mono-end RS-232 signal to balance difference RS-485 signal and extend the communication distance to 1.2km. No external power but adopts a particular RS-232 charge pump to drive the system, Commonly used in systems of industrial automation control all-one-card. Door safe, car parking, ATM, bus charge, eatery sell out, staff attendance management, and toll highway etc.  Specification: Interface feature: RS-232C,RS-485standard interface compatible with EIA,TIA Electric interface: RS-232endDB9holeconnector, RS-485 end DB9 needle connector, with connection pole Working mode: synchronism half-duplex difference transmission Transmission media: twisted -pair or STP Transmission rate: 300-115.2KBPS External discharge dimension: 63mm X33mmX17mm Working circumstance:- 25 t o 70 degree C, relative humidity5% to 95% Transmission distance: 1,200m(RS-485 end),5m(RS-232 end) Include: 1 unit RS485 / RS232 converter English User Guide  Retail Box Warranty: 90 Days after receive Shipping: Poslaju, J&T Item ship from Malaysia Postage Method: POSLAJU/J&T/Courier Service designated by Marketplace  Item usually will be post out same day / next working day Parcel usually will be arrive within 1-3 working days We can't guarantee delivery on time due to courier service is provided by 3rd Party and its out of our control. About Us: Nobody is perfect, but we will try our best to serve your satisfaction and will improve from time to time. Your suggestion & understanding is highly appreciated. Do not hesitate to chat us for any inquiry, suggestion or complaints. If you are unhappy with our service / product, please chat us immediately before leaving any bad comment / review as giving bad rating or 1 star won't help in problem solving. Happy shopping with us.