Bộ đàm dùng sim 3G Feidaxin FD-858
- Clear sound, loud
- Any combination of group calls and group calls, selective call to achieve one-to-one communication
- Charger compatible with 12V and 24V inputs
- GPS satellite positioning (optional)
- Battery capacity 5800mAh
- Timeout timer
- Low power prompt function
- Flashlight function
- Equipped with account setup software
- LCD display: Caller's name, whether it is group call or selective call, GPS positioning, current power, current signal grid, network time
| 基本特点 |
| 频段 | CDMA2000 1X 800MHz |
| 尺寸 | 120*60*40mm |
| 重量 | 133g |
| 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 |