The RCM3750 RabbitCore is a low-cost, 10/100BaseT core module with 1MB serial flash. The RCM3750 features 512K Flash / 512K SRAM, 4 serial ports, and an extremely small footprint (2.95" × 1.20" / 75 × 30 mm). Extensive demo programs and software application templates make it easy to get the RCM3750 up and running in record time.