ITEM NAME:Mini RS232 to TTL Converter Module Board M1I9 Mini RS232 to TTL Converter Module Board M1I9 A converter board electrical levels Chip mode: MAX3232CSE Voltage range: 3 ~ 5 V Max. Transmission speed: No more than 120kbps Size (L x W): Approx. 16 x 9 mm Package Contents: 1 x box transformers Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Find many great new & used options and get the best deals for Mini RS232 to TTL Converter Module Board M1I9 at the best online prices at shop2india!