Type:BN-220 GPS Module Dimension: 22mmx20mmx6mm Weight:10.6g Connector:1.00mm spacing between the 4pins patch seat Electrical Characteristics: Chipset:M8030-KT Receiving Format:GPS,GLONASS,BeiDou,QZSS and SBAS Frequency:GPS L1,GLONASS L1,BeiDou B1,SBAS L1 Channels:72 Searching Channel Sensitivity: Tracking:-167dBm Reacquisition:-160dBm Cold :-148dBm Hot :-156dBm Accuracy: Position Horizontal: 2.0 m 2D RMS SBAS Enable (Typical Open ) Velocity:0.1m/sec 95% (SA off) Timing:1us synchronized to GPS time Acquisition Time: Cold :26s Warm :25s Hot :1s Data and Update Rate: Support Rate:4800bps to 921600bps,Default 9600bps Data Level:TTL or -232,Default TTL level Data Protocol:NMEA-0183, Default NMEA-0183 Single GNSS:1Hz-18Hz Concurrent GNSS:1Hz-10Hz,Default 1Hz Operational Limits: Altitude: 50,000m Max Velocity: 515m/s Max Acceleration: Less than 4g Power consumption: VCC:DC Voltage 3.0V-5.5V,Typical:5.0V Current:Capture 50mA/5.0V Operating temp:-40℃ - +85℃ Storage Temp:-40℃- +105℃ Indicator: TX LED:blue.The data output, TX LED flashing LED:red. LED not bright when GPS not fixed,flashing when fixed Wiring:GND,TX output,RX input,VCC(3.0v-5.5v) Due to different product batches, the appearance , which does not affect the use. Colour:As Shown Material:PC Package Contents: 2 x Antenna Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.