Bộ đàm dùng sim 3G Feidaxin FD-280
Clear sound, loud
Up button can be defined: network query, power query, lock button, selective call
Charger compatible with 12V and 24V inputs
Battery capacity 3000mAh and 6000mAh optional
Timeout timer
Any combination of group calls, selective call to achieve one-to-one communication
Low power prompt function
GPS satellite positioning (optional)
Flashlight function
Battery power and network quality boot voice broadcast
Equipped with account setup software
| 基本特点 |
| 频段 | CDMA2000 1X 800MHz |
| 尺寸 | 100*58*32mm |
| 重量 | 194g |
| 工作温度范围 | -30℃~+75℃ |
| 性能 |
| 工作电压范围 | 3.3V~4.25V |
| 标准：3.8V |
| 标准功耗 | 待机电流（USB & UART Suspend):5mA@ RX:-75dBm |
| 休眠电流（USB & UART Active):5mA@ RX:-75dBm |
| 平均工作电流：120mA@ RX:-75dBm |
| 最大电流：800mA@ RX:-104dBm |
| 最大发射功率 | 23dBm~25dBm@All up bits |
| 接收信号灵敏度 | -106dBm |
| 模块特性 |
| 芯片 | ublox UBX-G7020-KT |
| 频率 | L1,1575.42MHz |
| 协议 | NEA 0183 V2.3 |
| GALTLEO L1 open service (with upgrade) Default:GGA,GSA,GSV,RMC |
| Support:VTG,GLL,TXT ublox binary and NMEA Command |
| 可用波特率 | 1200,4800,9600,19200,38400,57600,112500 bps |
| 通道 | 56 |
| Internal ROM | 3Mbit of ROM and 2Mbit of RAM |
| 灵敏度 | 跟踪：-162dBm 捕捉：-160dBm 冷启动：-148dBm |
| 冷启动 | 平均29秒 |
| 温启动 | 平均28秒 |
| 热启动 | 平均1秒 |
| 精度 | Horizontal Postition:Autonomous ＜2.5maverage,SBAS＜2.0m average |
| Velocity:0.1m/s |
| Timepulse signal:RMS 30ns |
最大高度
| 18000米 |
| 最大速度 | 515m/s |
| 最大加速度 | ≤4G |
| 更新频率 | 1-10Hz |
| A-GPS | AssistNow on-line and off-line
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