specification:

Chip set:  GSC3F-7879 (internal Flash)

Supply power:  3.3V +- 5%

Channels: 20

sensitivity: -159 dBm

protocol:  Support NMEA 0183 and SiRF binary protocol

Power consumption: 42mA (Continuous mode) ;25mA (Trickle power mode

Baud rate: 4,800 to 57,600 bps adjustable(9600)

antenna: No Antenna (External Active orPassive antenna) RF_VCC(2.8V)

Dimension:  15.9mm * 13.1 mm * 2.2mm

Output: TTL level, 0V ~ 2.85V

PIN: 36 PAD

LNA: Yes

Operating Temp:-40℃ to +85℃