?A new generation GPS、 with low power consumption and high precision、 The ultimate accuracy is 0.6 meters、 actually almost 0.9 meters、 greater than the previous generation NEO-7N 1.4-1.6 meters accuracy、 Support GPS / QZSS L1 C/A、 GLONASS L10F、 BeiDou B1 protocol and mode、 etc. GPS Specs: - Receiver type :72-channel u-blox M8 engine - GPS/QZSS L1 C/A、 GLONASS L10F、 BeiDou B1 - SBAS L1 C/A: WAAS、 EGNOS、 MSAS - Galileo-ready E1B/C - Nav. update rate1 Single GNSS: up to 18 HZ - Concurrent GNSS: up to 10 Hz - Position accuracy2 2.0 m CEP - Acquisition2 Cold starts: 26 s - Aided starts: 2 s - Reacquisition: 1.5 s - Sensitivity2 Tracking !#!amp!*! Nav: -167 dBm - Cold starts: -148 dBm - Hot starts: -156 dBm - Assistance AssistNow GNSS Online - AssistNow GNSS Offline (up to 35 days)3 - AssistNow Autonomous (up to 6 days) - OMA SUPL !#!amp!*! 3GPP compliant - Oscillator TCXO (NEO-M8N/Q)、 - Crystal - RTC crystal Built-In - Noise figure On-chip LNA (NEO-M8M). Extra LNA for - lowest noise figure - Anti jamming Active CW detection and removal. Extra - onboard SAW band pass filter - Memory ROM or Flash - Supported antennas Active and passive - Odometer Travelled distance - Data-logger For position、 velocity、 and time - Operating temp. -40'C to 85'C - Storage temp. -40'C to 85'C - -40° C to 105° C (NEO-M8M) - Meet the RoHS standard (lead-free) Diameter: 5cm; Wire Length: 30cm; Size: 5*5*1cm Dimensions: 1.97 in x 1.97 in x 0.39 in (5.0 cm x 5.0 cm x 1.0 cm) Weight: 0.71 oz (20 g)