SIM808 Module GSM GPRS GPS Development Board SMA With GPS Antenna

The SIM808 module is a popular choice for projects that require GSM, GPRS, and GPS functionalities. Here are the detailed specifications and features of a SIM808 GSM GPRS GPS development board, including the SMA connector and GPS antenna:

Specifications

1. Power Supply Voltage:
   • Operating Voltage: 3.4V to 4.4V DC
   • Typical Operating Voltage: 4.0V DC
2. Current Consumption:
   • Sleep mode: ~1.5mA
   • Idle mode: ~7mA
   • GSM transmission: ~0.9A (instantaneous peaks up to 2A)
3. Frequency Bands:
   • Quad-band: 850/900/1800/1900 MHz
4. GSM/GPRS:
   • GPRS multi-slot class 12
   • GPRS mobile station class B
   • Compliant to GSM phase 2/2+
   • Class 4 (2 W @ 850/900 MHz)
   • Class 1 (1 W @ 1800/1900 MHz)
5. GPS:
   • Receiver type: 22 tracking / 66 acquisition channels
   • Sensitivity: -165 dBm
   • Cold start: < 35s
   • Hot start: < 1s
   • Location accuracy: < 2.5m CEP
6. Interfaces:
   • Serial UART (up to 115200 bps)
   • 1x SIM card interface (1.8V/3V)
   • 1x Microphone input
   • 1x Speaker output
   • 1x Headset jack
   • 1x Antenna interface (SMA for GPS, U.FL for GSM)
7. Antenna:
   • SMA connector for GPS antenna
   • U.FL connector for GSM antenna (external GSM antenna included)

Pin Configuration

• VCC: Power supply input (4V DC)
• GND: Ground
• TXD: Transmit data (UART)
• RXD: Receive data (UART)
• DTR: Data terminal ready (for sleep control)
• RI: Ring Indicator
• MIC_P: Microphone positive
• MIC_N: Microphone negative
• SPK_P: Speaker positive
• SPK_N: Speaker negative
• GPS_TX: GPS data transmit
• GPS_RX: GPS data receive

Features

1. 1. GSM/GPRS Communication:
      • Supports making and receiving calls, sending and receiving SMS, and GPRS data transmission.
   2. GPS Positioning:
      • Provides accurate location data for navigation and tracking applications.
   3. Voice Calls:
      • Supports voice calls with a microphone and speaker or headset.
   4. AT Commands:
      • Controlled via AT commands, which are widely used and supported.
   5. External Antennas:
      • SMA connector for an external GPS antenna for improved signal reception.
      • U.FL connector for an external GSM antenna.

Package Included:

• 1 x SIM808 Module
• 1 x GSM Antenna
• 1 x GPS Antenna