The need to efficiently detect and measure radiation is critical in various fields. This paper addresses the challenge of developing a fast, portable, and user-friendly radiation monitoring system. The proposed system utilizes plastic scintillating fibers (PSF) for radiation detection. A silicon photo-multiplier (SiPM) detects the radioactive particles absorbed by the fibers and converts them into electrical signals. Due to their low amplitude, these pulses require amplification; thus, an amplifier is employed. The quantization of these pulses is achieved through a comparator circuit, which converts the continuous signal into a discrete digital signal. The system leverages a field-programmable gate array (FPGA) to count the quantized outputs, determine pulse width, and implement coincidence logic for accurate radiation detection. Finally, wireless universal asynchronous receiver/transmitter (UART) communication allows data transmission from the monitoring device to a mobile device accessible by authorized users. This system offers real-time radiation level monitoring with potential applications in nuclear safety, security, and emergency response scenarios.