
GM-820F GPS模塊是一個高靈敏度,超緊湊的微型單芯片GPS應用。它包括RF射頻接收器,一個全功能的基頻處理器,快閃記憶體和功率管理單元。
RF射頻接收器采用了單次轉換數字低中頻架構,高水準的集成隻有少數在芯片外匹配,並且分離的組件盡量減少係統成本。
基頻處理器是控製自適應信號處理和導航固件優化,為執行對低功率微處理器。先進的自適應控製算法,提供最佳的信號采集/跟蹤策略。
Mstar Start Now™ AGPS for GSM/3GPP & CDMA for extended ephemeris and fast TTFFs (mobile phone & tracker)
Mstar Start Now™ MGAN™-LTE (long term ephemeris) for extended 5~7days ephemeris and fast TTFFs (PND & tracker/logger)
Advanced power management for trickling and position-fix™ power management
SDK tool by OEM customization API to save external mcu of the system
| 項目 | 描述 |
| GPS Receiver | |
| Chipset | Mstar MSB2122 |
| Frequency | L1, 1575.42 MHz |
| Code | C/A Code |
| Protocol | NMEA 0183 Default : GGA,GSA,GSV,RMC Support : VTG,GLL,ZDA) Mstar binary and NMEA Command |
| Available Baud Rate | 4,800 to 115,200 bps adjustable |
| Time | 1 PPS Pulse, pulse duration 1 mini second. Time reference at the pulse positive edge. Synchronized to GPS time, ±1 μs. |
| Channels | Support 60 channels (48 acquisition & 12 tracking channels) |
| Sensitivity | Tracking -160dBm Acquisition -144dBm |
| Acquisition Time(Open Sky) | Hot start: 1 sec, average Warm start: 32 sec, average Cold start: 34 sec, average |
| Reacquisition | 0.1 second, average |
| Accuracy | Position: <10 meters, 2D RMS <5 meters, 2D RMS, WAAS corrected 1-5 meters, DGPS corrected Time 1 microsecond synchronized to GPS time |
| Maximum Altitude | Altitude < 18,000 meters (60,000 feet) |
| Maximum Velocity | < 515 meters/sec (1000 knots) |
| Maximum Acceleration | < 4 G Jerk 20 meters/sec max |
| DGPS | WAAS, EGNOS, MSAS |
| Datum | Default WGS-84 |
| Physical Characteristic | |
| Type | 22-pin stamp holes |
| Dimensions | 13. mm x 15 mm x 2.7 mm |
| Physical Characteristic | |
| Power Supply | Main power input 3.2 ~ 5.0 VDC |
| Power consumption | Track/Acquire power consumption will be 30~33mA (GPS module) |
| Environmental Range | |
| Humidity Range | 5% to 95% non-condensing |
| Operation Temperature | -40 °C ~ 85 °C |
| Storage Temperature | -40 °C ~ 125 °C |
| 文件 | 描述 |
| GM-820F_DataSheet.pdf | PDF, 英文, GM-820F規格書 |
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大陸:廣東省東莞市常平鎮 電話:0769-83977382 傳真:0769-83977383 Skype:crackl168 QQ:315508161
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