E150-400T30S LoRa Wireless Acquisition Control Module
[Interface]：UART
[Frequency]：410.125~493.125MHz
[Power]：30dBm
[Distance]：10km
[Size]：40.5 * 25 mm
[Introduction]：E150-400T30S is a wireless serial port module (UART) based on LoRa radio frequency chip. It works in the frequency band of 410.125~493.125MHz (default 433.125MHz) and adopts LoRa spread spectrum technology.
| Limit parameters | Min. | Max. | Notes |
|---|---|---|---|
| Voltage | 0V | 5.5V | Exceeding 5.5V may permanently burn the module |
| Blocking power | - | 10dBm | The probability of burning at close range is small |
| Operating temperature | -40 ℃ | +85 ℃ | Industrial grade |
| ADC maximum input voltage | 0V | 6V | ADC1、ADC2、ADC3 |
| ADC maximum input circuit | 0mA | 25mA | ADC4、ADC5 |
| ADC minimum operating voltage | 3.0V | - | Below this supply voltage, the ADC works abnormally |
| DAC minimum operating voltage | 3.3V | - | Below this supply voltage, the DAC works abnormally |
| RF Minimum Operating Voltage | 2.65V | - | Below this supply voltage, the RF section stops working |
| Working parameters | Min. | Typ. | Max. | Notes |
|---|---|---|---|---|
| Operating Voltage（V） | 3.3 | 5.0 | 5.5 | ≥5.0V Guaranteed output power (RF) |
| Communication level（V） | - | 3.3 | - | Risk of burnout with 5V TTL |
| Operating temperature（℃） | -40 | - | +85 | Industrial grade design |
| Working frequency（MHz） | 410.125 | - | 493.125 | Supports ISM bands |
| Emission current（mA） | - | 750 | 900 | Instantaneous power consumption |
| Working current（mA） | 13 | 15 | 17 | - |
| Sleep current（μA） | - | 6 | - | software shutdown |
| Maximum transmit power（dBm） | 28 | 30 | 31 | User can configure |
| Receive sensitivity（dBm） | -145 | -147 | -148 | The air rate is 2.4kbps |
| Air speed（bps） | 2.4k | 2.4k | 62.5k | User can configure |
| ADC voltage range（V） | 0 | - | 5 | Exceeding this range may cause damage to the ADC |
| ADC current range（mA） | 0 | - | 20 | Exceeding this range may cause damage to the ADC |
| DAC pin drive capability （mA） | - | - | - | Weak, an external voltage follower may be required according to user needs |
| DO1/DO2 drive capability（mA） | - | - | - | Open-drain output, drive capability depends on external pull-up resistor |
| DO3/DO4Drive capability（mA） | -35 | - | 12 | Push-pull output |
| Input voltageDI（V） | 0 | - | 3.3 | Exceeding this voltage may cause damage to the DI |
| Main Parameters | Description | Notes |
|---|---|---|
| Distance | 10km | Clear and open environment, antenna gain 5dBi, antenna height 2.5 meters, air rate 2.4kbps (This parameter is measured in the open area of Chengdu urban area) |
| ADC accuracy | 12 bits | Built-in external reference voltage and voltage follower, the power supply voltage needs to be ≥3.0V, and the accuracy is 1% |
| DAC accuracy | 8 bits | Floating point value, the power supply voltage needs to be ≥3.3V, the accuracy is 1% |
| PWM precision | Frequency step: 1 Hz Duty cycle step: 1% | Frequency range: 25Hz~65535Hz, accuracy 1% Duty cycle range: 0~100%, accuracy 1% |
| Subcontracting | 240 Btye | The maximum capacity of a single package, after it is exceeded, it will be automatically divided into packages |
| Cache capacity | 1024 Btye | - |
| Modulation | LoRa | - |
| Communication Interface | UART | serial port 3.3V TTL level |
| Packaging method | SMD | - |
| Interface | UART | The user can connect an RS485 adapter chip, and the control pin has been led out |
| Dimensions | 40.5*25.0 | Tolerance ±0.1mm (excluding pin header height) |
| Antenna interface | IPEX | Characteristic impedance about 50 ohms |