Size(mm): 13.1*15.9*2.5 Pin & Interface: 36 PIN Receiver : GPS L1 C/A-code, SPS 20 Channels High sensitivity -158 dBm Support NMEA 0183 or in SiRF binary protoco Supply voltage, VDD : +3 ~ +5 V Operation temperature : -30ºC ~ +80ºC Other features requested by customers