CPU: MediaTek MT2503D
Architecture: 32-bit ARM7EJ-S 260MHz
OS : Nucleus OS
Memory : 4MB(PSRAM)+4MB(Serial Flash)
Network Support : GSM/GPRS/EDGE
Wireless connectivity : Bluetooth/GPS/Beidou
Product introduction
MT2503D core board is a high-performance, 2G module based on MediaTek MT2503D platform, which can run Nucleus OS operating system and supports multiple systems such as GSM/GPRS/EDGE; supports BT3.0 proximity wireless communication, supports GPS/GLONASS/BeiDou multiple systems satellite positioning; supports multiple voice and audio codecs, and It has rich input and output interfaces and GPIO interfaces, which is convenient for secondary development.
Network band
| Type | Network band |
| GSM | B2/B3/B5/B8 |
| BT3.0 | 2400-2483.5MHz |
| GNSS | GPS/GLONASS/Beidou |
Main performance parameters
| Performance | Description |
| Application Processors | ARM7EJS processor with up to 260MHz main frequency |
| Electricity supply | VBAT supply voltage range: 3.6V~4.3V Typical supply voltage: 4V |
| SMS | Text with PDU mode point-to-point MO and MTSMS broadcast SMS storage: default SIM |
| LCM interface | Support SPI interface LCM; support up to 240*320 QVGA; touch: support capacitive/resistive touch |
| Camera interface | Support for CAMERA with SPI interface; up to 0.3M pixels; |
| Audio Interface | Audio input: 1 group of analog microphone input Audio output: 1 group of speaker output AB / Class D differential speaker amplifier output 0.7W |
| USB interface | Support USB1.1 mode for software debugging and software upgrade, etc. |
| USIM card interface | 2 groups of USIM/SIM card interface support: 1.8V and 3V support dual SIM card dual standby |
| SDIO interface | 1 way SD2.0 interface; 4bit SDIO; SD/MMC card support hot-swappable |
| I2C interface | 1 group I2C |
| UART interface | 1 way UART interface |
| Antenna Interface | GSM, GNSS antenna, BT antenna interface |
| Physical Characteristics | Size: 22±0.15×23±0.15×2.8±0.2 mm Interface: LCC warpage: <0.3mm |
| Temperature range | Normal working temperature: -20°C ~ +70°C Extreme working temperature: -25°C and +80°C 1) Storage temperature: -40°C ~ +85°C |
| Software Upgrade | via USB |
| RoHS | RoHS compliant |