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E610-900T20S Automatic relay networking; communication key; 868MHz/915MHz frequency band; high-speed continuous transmission module
[Introduction]：E610-900T20S is a high-speed continuous transmission 433M wireless data transmission module developed by Ebyte, with built-in high-performance microcontroller and wireless transceiver chip. Working in the 855~870MHz, 902~928MHz frequency bands (default 900MHz), the transmit power is 20dBm. It is suitable for scenarios that require rapid transmission of large amounts of data, such as high-speed sensing, surveying, mapping, measurement and control, remote sensing positioning, etc.
| RF parameters | Unit | Performance | Remark |
| Working frequency | MHz | 855~870、902~928 | User programmable control |
| dBm | 20.0士0.5 | User programmable control | |
| blocking power | dBm | 10 | Less likely to be burned if used at close range |
| dBm | -123 ~ -124 | Air rate 1.5kbps | |
| Matching impedance | Ω | 50 | IPEX-1 interface antenna matching impedance |
| kbps | 0.5 ~ 470 | User programmable control [Note 1] | |
| Measured distance | km | 1 (continuous transmission mode) | Sunny and open, height 2 meters, serial port baud rate 115200 [Note 2] |
| 6 (general transmission mode) | Sunny and open, height 2 meters, air speed 1.5kbps |
Note 1: Valid in general transmission mode;
Note 2: In continuous transmission mode, the module automatically calculates and matches the air rate through the serial port baud rate;
| Electrical Parameters | Unit | Performance | Remarks |
| Operating Voltage | V | 1.8 ~ 3.6 | ≥3.3V can guarantee the output power. Exceeding 3.6V will permanently damage the module. |
| Communication level | V | 3.3 | Using 5V TTL risks burning out |
| Emission current | mA | 125 | Instantaneous power consumption |
| receive current | mA | 38 | - |
| Sleep current | uA | 2 | Software shutdown |
| Operating temperature | ℃ | -40 ~ +85 | Industrial grade |
| storage temperature | ℃ | -40 ~ +125 | Industrial grade |
| Hardware parameters | Unit | Description | Remarks |
| Packet length | byte | 55 (normal mode) | No limit on packet length in continuous mode |
| cache capacity | byte | 4096 (normal mode) | Can be regarded as unlimited capacity in continuous mode |
| Modulation | - | GFSK | Gaussian Frequency Shift Keying Modulation |
| Communication Interface | - | UART serial port | TTL level |
| Serial port baud rate | bps | 2400 ~ 230400 | - |
| Packaging method | - | SMD type | stamp hole |
| PA+LNA | - | LAN only | Power amplifier + low noise amplifier |
| SAW | - | have | surface acoustic wave filter |
| Antenna interface | - | IPEX-1 generation | Equivalent impedance is about 50Ω |
| Dimensions | mm | 16.0*26.0*3.9 | Length*width*height, error is ±0.1 |
| weight | g | 2.4 | The error is ±0.1 |