Specifications: Brand Name:Beitian Item Name:BN-220ZF Chip: AT6558F Frequency: GPS L1 GLONASS L1 Working Mode: GPS+GLONASS Channels:72SearchingChannel Tracking Sensitivity: -162dBm Reacquisition Sensitivity: -160dBm ColdStart Sensitivity:-148dBm HotStart Sensitivity:-156dBm PositionHorizontalAccuracy:2.0 mCEP2DRMSSBASEnable(TypicalOpenSky) Speed Accuracy:0.1m/s 95% (SA off) Time Accuracy: 30ns ColdStartAcquisitionTime: 32s HotStartAcquisitionTime:1s ReacquisitionAcquisitionTime:1s DataOutputSupportRate:4800bpsto921600bps,Default9600bps DataOutputLevel:TTLLevel DataOutputProtocol:NMEA-0183 DataOutputNMEAMessage:RMC,VTG,GGA,GSA,GSV,GLL DataOutputUpdateRate: 1Hz-10Hz,Default1Hz DataOutputFlash:Support, the configuration can be changed, and the data will not be lost when the power is off OperationalAltitudeLimits: PinDescription: PIN PIN Name I/O Description Characteristic 1GNDGGround Ground 2TXOUART communication interface, TTL level GPS data output pin 3RXIUART communication interface, TTL level GPS data input pin 4VCCIMain power supply, DC input DC3.6V-5.5V, Typical:5.0V Package Included: 1xBeitian BN-220ZF GPS Module Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store