This is an very inexpensive and pretty cool soldering kit. If you solder this board correctly you should have a valuable and functional GPS shield for your Arduino based projects. This GPS shield is based on the neoway M590E GPS that offers u.FL connection or a provided coiled antenna. You can send and receive data via UART or TTL both on 5V.This board is designed for GSM spectrum of 900-1800MHZ.

Specifications: 

• Include: a SMS module
• Voltage: 5V
• Frequency: 900 1800 MHz
• Stand by current: < 10 mA
• Working current: < 80 mA
• Baud: 9600 or change by sending AT+IPR=xxxx
• Interface: TTL
• Commands: Regular AT commands
• Connector: 5V GND TxD RxD
• Antenna: Please solder a copper wire to the board or use an IPEX socket
• Temperatures: -30 C to 80 C
• Functions: Send/receive SMS messages and GPRS data.
• Excellent for remote sensing, experiments, alarms and automatic data collection.
• The control port is a regular serial port. You may connect it directly with a microcontroller such as Arduino.
  Or you can use a USB to serial port adapter and send commands directly from a computer.

Package Include:

• 1 x Neoway M590 GPRS GSM SMS Module M590 SIM TCP/UDP Module For Arduino DIY Kit