The S2-108H9 with Dev.kit: evaluation manufactured by Simcom is a complete evaluation system based on the SIM8108H GSM/GPRS module. It includes a SIM8108H GSM/GPRS module, a 2.4 inch QVGA TFT LCD screen, audio jack, a microDB9 connector for serial communication, a battery holder, an audio jack, a power supply adapter (5V output), a micro USB cable, and a printed user guide. The development kit provides an easy way for evaluation, quick prototyping and testing of the SIM8108H GSM/GPRS module. This kit is suitable for integration with applications using SMS, voice, data, and other features. It supports development with a variety of tools, including the SIM8108H SDK sample code, SIM8108H debugging tools, ARM development kits, etc.