Miniaturized GSMGPRSBT development board

The utility model relates to a miniaturized GSMGPRSBT development board belongs to development board technical field. The utility model provides an it includes main chip module (being called for short MCM), power module (being called for short PM), SIM card module (being called for short SIMCM), outside communication module (being called for short ECM), antenna module (being called for short AM) to contain this development board. To the development board of the same kind in current, the utility model discloses level circuit to power module circuit, SIM card module circuit and outside communication module improves especially, has overcome some defects of development board of the same kind on the existing market, makes the utility model discloses a littleer, the integrated rate of volume is higher, circuit design is more stable, the compatibility is stronger, have more interference immunity, application range is more extensive. 本实用新型涉及种小型化的GSM/GPRS/BT开发板，属于开发板技术领域。本实用新包含此开发板包括主芯片模块(简称MCM)、电源模块(简称PM)、SIM卡模块(简称SI