Description
SIM800L V2.0 Quad-Band GSM/GPRS Module — 5V
The SIM800L V2.0 wireless GSM/GPRS module is listed for voice calls, SMS and data over GPRS. The source excerpt also refers to SIM800. The module has a TTL-level serial interface, power interface and antenna connection.
Dimensions: 15.8 × 17.8 × 2.4mm.
Specifications stated in the listing
- Operating supply: 4.1–5V DC
- Supply current capability: 1A or more
- SIM format: micro-SIM
- Quad-band: 850/900/1800/1900MHz, as stated by the seller
- GPRS multi-slot class 12/10; mobile station class B
- GSM 2/2+ compatibility (source wording)
- Transmit power classes listed: Class 1 (1W at 1800/1900MHz); Class 4 (2W at 850/900MHz)
- Bluetooth 3.0 + EDR compatibility, seller claim
- FM: 76–109MHz, 50kHz tuning step, seller claim
- Operating temperature: -40°C to +85°C (seller listing)
Pin descriptions
- 5V: power input
- GND: ground
- VDD: TTL UART interface; source says it can connect to a microcontroller such as 51MCU, ARM or MSP430
- VDD sets/matches the TTL logic voltage, according to the source
- SIM_TXD: module transmit
- SIM_RXD: module receive
- Additional GND pin: source says leave open if unused
- RST: module reset
Provide a supply that can handle the module’s current demand and verify the UART logic level before connecting. Carrier and network compatibility depends on the module variant and local service availability; confirm it for the intended use.
