| Operating parameter | Performance | Remark |
| Operating frequency | 850.125~930.125 | Support ISM band |
| Tx power | 22 dBm | - |
| Receiving sensitivity | -147dbm | Air data rate is 2.4kbps |
| Air data rate | 0.3k~62.5kbps | Controlled via user's programming |
| Distance for reference | 7000m | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 2.4kbps |
| Operating parameter | Performance | Remark |
| Size | 16 * 26 mm | - |
| Antenna | IPEX/stamp hole | 50 ohm impedance |
| Communication interface | UART | - |
| Package | SMD | - |
| Main parameter | Min. | Typ. | Max. | Unit | Remark |
| Operating voltage | 2.3 | 5.0 | 5.5 | V | ≥5.0 V ensures output power |
| Communication level | - | 3.3 | - | V | For 5V TTL, It is recommended to add level conversion |
| TX current | - | 155 | - | mA | Instant power consumption |
| RX current | - | 11 | - | mA | - |
| Sleep current | - | 2 | - | μA | Software is shut down |
| Operating temperature | -40 | - | +85 | ℃ | - |
| No. | Name | Direction | Function |
| 1 | GND | - | Ground |
| 2 | GND | - | Ground |
| 3 | GND | - | Ground |
| 4 | GND | - | Ground |
| 5 | M0 | Input（weak pull-up） | Work with M1 to decide 4 working modes of module (not suspended, if not used, could be grounded). |
| 6 | M1 | Input（weak pull-up） | Work with M0 to decide 4 working modes of module (not suspended, if not used, could be grounded). |
| 7 | RXD | Input | TTL UART inputs, connects to external (MCU, PC) TXD output pin. Can be configured as open-drain or pull-up input. |
| 8 | TXD | Output | TTL UART outputs, connects to external RXD (MCU, PC) input pin. Can be configured as open-drain or push-pull output. |
| 9 | AUX | Output | To indicate module ’ s working status & wakes up the external MCU.During the procedure of self-check initialization, the pin outputs low level.Can be configured as push-pull output (suspending is allowed). |
| 10 | VCC | - | Power supply ：2.3~ 5.2V DC |
| 11 | GND | - | Ground |
| 12 | NRST | Input | - |
| 13 | GND | - | Ground |
| 14 | NC | - | - |
| 15 | NC | - | - |
| 16 | NC | - | - |
| 17 | NC | - | - |
| 18 | NC | - | - |
| 19 | GND | - | Ground |
| 20 | GND | - | Ground |
| 21 | ANT | - | Antenna |
| 22 | GND | - | Ground |
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| 【E-mail】：service@cdebyte.com |
| Technical support |
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| 【E-mail】：support@cdebyte.com |
| Model | IC | Interface | Frequency Hz | Power dBm | Distance km | Air Rate(bps) | Package | Size (mm) | Feature | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E22-400T30DC | UART | SX1262 | 433M 470M | 30 | 10 | 0.3~62.5k | DIP | 24*43 | New generation LoRa modulation technology | ||
| E22-400T22DC | UART | SX1262 | 433M 470M | 22 | 5.5 | 0.3~62.5k | DIP | 21*36 | New generation LoRa modulation technology | ||
| E22-400T30S1C | UART | SX1262 | 433M 470M | 30 | 10 | 0.3~62.5k | SMD | 25*40.5 | LoRa spread spectrum technology | ||
| E22-900T22S1C | UART | SX1262 | 868M 915M | 22 | 7 | 0.3~62.5k | SMD | 16*26 | LoRa Automatic relay | ||
| E22-400T22S1C | UART | SX1262 | 433M 470M | 22 | 5.5 | 0.3~62.5k | SMD | 16*26 | LoRa Automatic relay | ||
| E22-900T22D | UART | SX1262 | 868M 915M | 22 | 5 | 0.3~62.5k | DIP | 21*36 | A new generation of LoRa spread spectrumtechnology | ||
| E22-400T30D | UART | SX1268 | 433M 470M | 30 | 8 | 0.3~62.5k | DIP | 24*43 | New LoRa Spread Spectrum,Automatic relay,Wireless configuration | ||
| E22-400T22D | UART | SX1268 | 433M 470M | 22 | 5 | 0.3~62.5k | DIP | 21*36 | New generation of LoRa spread spectrum technology | ||
| E22-900T30S1B | SX1262 | UART | 868M 915M | 30 | 10 | 0.3~62.5k | SMD | 40.5*25 | Low consumption, anti-interference | ||
| E22-400T30S1B | SX1268 | UART | 433M 470M | 30 | 10 | 0.3~62.5k | SMD | 40.5*25 | Low consumption, anti-interference | ||
| E22-230T30S | SX1262 | UART | 230M | 30 | 10 | 0.3~15.6k | SMD | 40.5*25 | Low consumption, anti-interference | ||
| E22-230T22S | SX1262 | UART | 230M | 22 | 5 | 0.3k~62.5 | SMD | 16*26 | Low consumption, anti-interference | ||
| E22-900T22S1B | SX1262 | UART | 868M 915M | 22 | 5 | 0.3~62.5k | SMD | 16*26 | Low consumption, anti-interference | ||
| E22-400T22S1B | SX1268 | UART | 433M 470M | 22 | 5 | 0.3~62.5k | SMD | 16*26 | Low consumption, anti-interference | ||
| E22-400M30S | SX1268 | SPI | 433M 470M | 30 | 12 | 0.018~300k | SMD | 24*38.5 | Low consumption,anti-interference | ||
| E22-900M30S | SX1262 | SPI | 868M 915M | 30 | 12 | 0.018~300k | SMD | 24*38.5 | Low consumption,anti-interference | ||
| E22-900M22S | SX1262 | SPI | 868M 915M | 22 | 7 | 0.018~300k | SMD | 14*20 | Low consumption,anti-interference | ||
| E22-400M22S | SX1268 | SPI | 433M 470M | 22 | 7 | 0.018~300k | SMD | 14*20 | Low consumption, anti-interference |
