Description
Features
• Frequency range: 868 MHz 915 MHz,
• Suitable for USA use, for other country,
• We need to customize
• LCD dot matrix display
• Built-in GPS and LORA module
• Keyboard operation
• External omni directional antenna
• Built-in rechargeable lithium battery, last for 36 hours
• Full plastic jacket structure design
Technical Specifications
| MCU | MCU 32 bit; Basic Frequency to 32 MHz |
| EEPROM | 4 KB |
| RAM | 10 KB |
| FLAS | 128 KB |
| UART | 2 Channels and Maximum Communication Rate 1 Mbps |
| SPI | 1 Channel and Maximum Communication Rate 8 Mbps |
| I2C | 1 Channel and Maximum Communication Rate 400 Kbps |
| Others | GPIO or ADC or PWM or DAC |
| Selectable Bands | (Maximum Sensitivity 140 dBm) Support CN470 to 510 MHz Band, 863 MHz to 870 MHz or 915 MHz Band and 902 MHz to 928 MHz |
| Transmitted Power | 14 to 18 dBm, 50 MW |
| Communication Rate | 300 bps to 5 Kbps |
| Electrical Level | 3.3 V |
| Maximum Tracking Sensitivity | 163 dBm |
| DC-IN | USB (Using to Recharge the Batteries) |
| Function Button | Up or Down or Left or Right Key and OK Button and Power Button |
| USB-Device Communication | Built-in Chip XR2141 Edition (Chip Rev D) and USB for Serial Port Tester |
| Battery | 3500 mAh |
| Charging Voltage | 4.2 V |
| Power Input | 5 V or 1000 mA |
| Average Operating Current | 65 mA |
| Maximum Power Current | 150 mA (During Working) |
| Sleep Current | < 50 uA |
| Software Systems | Support LORAWAN and Well Designed Software Architecture |
| LED Indicator | POWER LED (Red) and Charging Indicator (Green) |
| Mechanical Buzzer | Built-in × 1 and Warning for System Abnormal Work or Signal Sending or Receiving |
| Temperature | -4 °F to 158 °F (-20 °C to 70 °C) |
| Humidity | 10% to 95% |