ITEM NAME:MAX3232 RS232 to TTL Converter Module COM Seriol Port Board Connector wi QLR Descriptio n Description: Trial Range: 1, Can Be Used To Write All Kinds Of Single-Chip Microcomputer: Such As STM32, NXP, STC, Risarden 2. Radio Modification, Mobile Phone Swiper, XBOX360 Swiper, GPS, Car Maintenance, DVD Swiper, Hard Disk Maintenance, Set-Top Box Upgrade. Specifications: Communication Chip: MAX3232 Interface: TX RX VCC GND (TTLï ¼â€° D9 Connector: Female Head Upgrade RS232 Serial TTL Module 2 Generation, Chip Stability, 3V, 5V Dual Use Package Included: RS232 Turn TTL Plate *1 15CM Dupont Line *4 Note: 1.Due To The Manual Measurement And Different Measurement Methods, Please Allow 2-3mm Deviation. 2.Please Be Reminded That Due To Lighting Effects And Monitor'S Brightness/Contrast Settings Etc, The Color Tone Of The Website'S Photo And The Actual Item Could Be Slightly Different. We offer you what you need! MAX3232 RS232 to TTL Converter Module COM Seriol Port Board Connector&Cable.Communication Chip: MAX3232. Upgrade RS232 Serial TTL Module 2 Generation, Chip Stability, 3V, 5V Dual Use. RS232 Turn TTL Plate 1. Interface: TX RX VCC GND (TTLï ¼â€°. D9 Connector: Female Head. We want to make sure you are happy with our item. ).