NEO-7M

Product Features : 
Using the NEO-7M module , comes with high gain active antenna 
Supports GLONASS ( Russian navigation system ) 
BaudRate: 9600 
Come with IPX interface, you can connect many other active antenna 
Built- in rechargeable backup battery , can be powered down to save ephemeris data to achieve hot start

Parameters : 
Interface features :TTL level compatible with 3.3V/ 5V systems 
Reception characteristics : 56 channels , GPS L1 (1575.42Mhz) C/A code , SBAS:WAAS / EGNOS / MSAS 
Positioning accuracy : 2.5mCEP (SBAS: 2.0mCEP) 
Update rate :Maximum 10Hz ( default 1HZ) 
Acquisition Time : Cold start : 27S ( fastest ) 
Hot start : 1S 
Tracking Sensitivity : -162dBm 
Acquisition sensitivity ( cold start ): -148dBm 
Oscillator : TCXO (+/- 0.5PPM) 
Communication Protocol : NMEA ( default ) / UBX Binary 
Serial communication baud rate : 9600 
Speed limit : 500m / s 
Height restriction : 50000m 
Working temperature : -40 C to 85 C 
Operating voltage : 2.7V-5.0V (VCC pin input ) 
Working Current : 35mA 
TXD / RXD Impedance: 510 ohm

Applications: 
Navigation , positioning quadrocopter 
 instructions (take MCU for example ) 
VCC: pick 3.3V / 5V 
GND: to GND 
TXD: pick MCU.RX 
RXD: pick MCU.TX 
PPS: pick MCU.IO clock pulse output ( do not connect )