[IC]:AX5243
[Frequency]:400~525MHz
[Power]:17dBm
[Distance]:2000m
[Size]:14*20mm
[Weight]:1.35±0.1g
[Introduction]:E31-400M17S is a micro-size long range RF transceiving module with 400MHz central frequency;Based on AXSEM's AX5243 RF chip—a narrow-band multi-channel single-chip, the module has multiple modulation methods such as FSK / MSK / 4-FSK / GFSK.
Limit Parameters
| Main Parameters | Value | Remarks | |
| Min. | Max. | ||
| Input Voltage(V) | 0 | 3.6 | Permanent damage occurred when voltage is over 3.6V |
| Blocking Power(dBm) | - | 10 | Low chance to be damaged for short-distance transceiving |
| Working Temp.(℃) | -40 | +85 | Industrial Grade |
| Storage Temp.(℃) | -60 | +150 | - |
Working Parameters
| Main Parameters | Value | Remarks | |||
| Min. | Typical | Max. | |||
| Working Voltage(V) | 1.8 | 3.3 | 3.6 | DC 3.3V-3.6V can guaranty Max TX power | |
| Tx Electrical Level(V) | - | 3.3 | - | 5V TTL could cause permanent damage | |
| Working Temp(℃) | -40 | 25 | +85 | Industrial Grade | |
| Working Frequency Channel(MHz) | 400 | 433 | 525 | Applicable for ISM channel | |
| PowerConsumption | TX Current(mA) | 70 | 80 | 90 | Instantaneous power(could be different due to different Antenna performance) |
| RX Current(mA) | 12 | 13 | 14 | Current when module receiving data. | |
| Sleeping Current(μA) | 0.05 | 0.5 | 1 | Deep sleep at ultra low power consumption(low frequency) | |
| Max TX Power(dBm) | 16 | 17 | 18 | - | |
| RX Sensitivity(dBm) | - | -135 | - | At 0.1 kbps air rate | |
| Air Rate(kbps) | -120 | -121 | -122 | At 1.2kbps air rate(FSK/FEC) | |
| Air Rate Range | 0.1k | - | 125 | Adjustable by user | |
| Reference Tranceiving Range | 2000m | Conditions: Clear Sky, Antenna Gain 5dBi,Antenna Height 2.5m, Air rate 1.2kbps | |||
| FIFO | 256Byte | Max Length for single time transmitting | |||
| TCXO Frequency | 26MHz | ±1ppm | |||
| Protocol | GFSK(suggested) | FSK / MSK / 4-FSK / GFSK / GMSK / ASK / AFSK /FM / PSK | |||
| Encapsulation | SMD | / | |||
| Interface Type | 1.27mm | / | |||
| Communication Port | SPI | 0-10Mbps | |||
| Size | 20*14mm | / | |||
| Weight | 1.35±0.1g | / | |||
| Antenna Interfaces | IPEX/Stamp Hole | Stamp hole is suggested not to be connected when using IPX only, equivalent Impedance is around 50Ω | |||
| No. | Name | Type | Functions |
| 1 | GND | P | Ground wire, connected to the power reference ground |
| 2 | GND | P | Ground wire, connected to the power reference ground |
| 3 | GND | P | Ground wire, connected to the power reference ground |
| 4 | GND | P | Ground wire, connected to the power reference ground |
| 5 | GND | P | Ground wire, connected to the power reference ground |
| 6 | NC | - | Suspended Port |
| 7 | NC | - | Suspended Port |
| 8 | SYSCLK | I/O | Crystal oscillator output；（see details fromAX5243 manual） |
| 9 | VCC | P | Power supply, range 1.8 ~ 3.6V (additional external ceramic filter capacitor suggested) |
| 10 | GND | P | Ground wire, connected to the power reference ground |
| 11 | GND | P | Ground wire, connected to the power reference ground |
| 12 | GND | P | Ground wire, connected to the power reference ground |
| 13 | TCX0-P | I | The internal TCXO power supply of the module needs to be linked with the 14 pin when the TCXO pin of theAX5243 is enabled. |
| 14 | TCX0-EN | I/O | AX5243 external TCXO pin; (see AX5243 manual for details) |
| 15 | IRQ | I/O | Transceiver data interrupt; (see AX5243 manual for details) |
| 16 | SPI-MISO | O | SPI data output pin; (see AX5243 manual for details) |
| 17 | SPI-MOSI | I | SPI data input pin; (seeAX5243 manual for details) |
| 18 | SPI-CLK | I | SPI clock input pin; (see AX5243 manual for details) |
| 19 | SPI-NSS | I | Module chip select pin for starting an SPI communication; (seeAX5243 manual for details) |
| 20 | GND | P | Ground wire, connected to the power reference ground |
| 21 | ANT | A | Antenna interface, stamp hole (50 ohm characteristic impedance) |
| 22 | GND | P | Ground wire, connected to the power reference ground |
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| Technical support |
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| 产品 型号 | IC | Interface | Frequency Hz | Power dBm | Distance km | Air data rate | Package | Size (mm) | Feature | 技术 手册 | 样品 购买 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E31-400M17S | SPI | AX5243 | 433M | 17 | 2 | 0.1k~125k | SMD | 14 * 20 | - | ||
| E31-433T30S | UART | AX5243 | 433M | 30 | 8.6 | 1.2k~70k | SMD | 25*40.5 | Narrow-band transmission,WOR | ||
| E31-433T17S3 | UART | AX5243 | 433M | 17 | 2.0 | 1.2k~70k | SMD | 16*26 | Narrow-band transmission,WOR | ||
| E31-DTU(230N33) | 232/485 | AX5243 | 230M | 33 | 8.0 | 1.2k~70k | Screwing/DB9 | 82*62*25 | Diffraction , WOR | ||
| E31-DTU(230N37) | 232/485 | AX5243 | 230M | 37 | 15 | 1.2k~70k | Screwing/DB9 | 124*105*25 | Diffraction , WOR | ||
| E31-230T33D | UART | AX5243 | 230M | 33 | 8.0 | 1.2k~70k | DIP | 37*60 | Diffraction , WOR | ||
| E31-DTU(230N17) | 232/485 | AX5243 | 230M | 17 | 2.0 | 1.2k~70k | Screwing/DB9 | 82*62*25 | Diffraction , WOR | ||
| E31-DTU(230N27) | 232/485 | AX5243 | 230M | 27 | 5.0 | 1.2k~70k | Screwing/DB9 | 82*62*25 | Diffraction , WOR | ||
| E31-230T17D | UART | AX5243 | 230M | 17 | 2.0 | 1.2k~70k | DIP | 21*36 | Diffraction , WOR | ||
| E31-230T27D | UART | AX5243 | 230M | 27 | 5.0 | 1.2k~70k | DIP | 24*43 | Diffraction , WOR | ||
| E31-433T17S | UART | AX5243 | 433M | 17 | 2.0 | 1.2k~70k | SMD | 17*30 | Narrow-band transmission | ||
| E31-433T17D | UART | AX5243 | 433M | 17 | 2.1 | 1.2k~70k | DIP | 21*36 | Narrow-band transmission | ||
| E31-433T27D | UART | AX5243 | 433M | 27 | 4.0 | 1.2k~70k | DIP | 24*43 | Narrow-band transmission | ||
| E31-433T30D | UART | AX5243 | 433M | 30 | 6.0 | 1.2k~70k | DIP | 24*43 | Narrow-band transmission | ||
| E31-433T33D | UART | AX5243 | 433M | 33 | 8.0 | 1.2k~70k | DIP | 37*60 | Narrow-band transmission |
