GV87 Key Features GNSS Reception Capability GNSS Reception Update Rate (Configurable) GPS L1 C/A, GLONASS L1OF, SBAS L1 C/A, QZSS L1 C/A (Available by software update): Galileo E1B/E1C, QZSS L1-SAIF 26 channels (GPS, SBAS, GLONASS, QZSS) Dead Reckoning: 1 / 2 / 5 / 10 Hz GPS Tracking: -161 dBm Hot Start: -161 dBm Warm Start: -147 dBm Cold Start: -147 dBm Reacquisition: -161 dBm Sensitivity (*1) GLONASS Tracking: -157 dBm Hot Start: -157 dBm Warm Start: -143 dBm Cold Start: -143 dBm Reacquisition: -157 dBm Position Accuracy (Horizontal) (*1) (*2) Dead Reckoning Performance TTFF(Typical) (*1) Supply Voltage Power Consumption GPS：2.5m（CEP） GPS+SBAS：2.0m（CEP） GPS+SBAS+GLONASS：2.0m（CEP） Running Distance * 5% Hot Start: <1 sec (@-130 dBm) Warm Start: 30 sec (@-130 dBm) Cold Start: 33 sec (@-130 dBm) 3.3V DC Acquisition Mode: 72 mA Operating Temperature -40°C to +85°C Storage Temperature -40°C to +85°C Package Size Protocol 12.2mm × 16.0mm × 2.8mm 24Pin LCC（Leadless Chip Carrier） eSIP (NMEA 0183 Standard Ver. 4.10) Anti-jamming Available Multipath Mitigation Available (*1) (*2) (*1) Measurement platform with recommended active antenna (*2) Update rate: 1 Hz