| RF parameter | Unit | Model No. | Remarks |
| E22-230T22S | E22-230T30S | E22-230T33S |
| Operating frequency | GHz | 220.125 - 236.125 | ISM band |
| TX power | dBm | 22.0±0.5 | 30.0±0.5 | 33.0±0.5 |
|
| Block power | dBm | 0 〜10.0 | Chances to bum is slim when used in short distance |
| Receiving sensitivity | dBm | -147±1.0 | Air data rate 2.4kbps |
| Tested distance | Km | 5 | 10 | 12 | Test condition： clear and open area, antenna gain: 5dBi, antenna height: 2.5m, air data rate: 2.4kbps |
| Air data rate | bps | 0.3k〜15.6k | Controlled via user's programming |
| Electric parameter | Unit | Model No. | Remarks |
| E22-230T22S | E22-230T30S | E22-230T33S |
| Operating level | V | 2.3〜5.5V | 3.3〜5.5 V | 3.3〜5.5 V | 之3.3V ensures output power |
| Communication level | V | 3.3 | For 5V TTL, it may be at risk of burning down |
| TX current | mA | 122 | 530 | 990 | Instant power consumption |
| RX current | mA | 13 | 14 | 15 |
|
| Sleep current | uA | 2 | Software is shut down |
| Operating temperature | ℃ | -40〜+85 | Industrial design |
| Main parameter | E22-230T22S | E22-230T30S | E22-230T33S | Remarks |
| Size | 16*26 mm | 25*40.5mm | 25*40.5mm |
|
| TX length | 240 Byte | Sub-packing 32/64/128/240 byte to send via command |
| Buffer | 1000 Byte |
|
| Modulation | LoRa | New generation LoRa |
| Communica tion interface | UART | TTL |
| Package | SMD, stamp hole, 1.27/2.54mm pitch |
|
| Pitch | 1.27mm | 1.27mm | 2.54mm |
|
| PA+LNA | X | √ | √ | Built-in PA+LNA |
| Antenna | IPEX/Stamp hole | 50 ohm impedance |
| No. | Name | Direction | Function |
| 1 | GND | - | Module ground |
| 2 | VCC | - | Module power supply positive reference, Power supply： 3.3〜5.5V DC |
| 3 | AUX | Output | The user wakes up the external MCU and outputs low level during power on self-test initialization; (can be suspended) |
| 4 | TXD | Output | TTL UART outputs, connects to external (MCU, PC) RXD input pin. |
| 5 | RXD | Input | TTL UART inputs, connects to external (MCU, PC) RXD output pin. |
| 6 | Ml | Input (weak pull-up) | Work with M1 to decide 4 working modes of module (not suspended, if not used, could be grounded). |
| 7 | MO | Input (weak pull-up) | Work with MO to decide 4 working modes of module (not suspended, if not used, could be grounded). |
| 11 | ANT | Output | Antenna(high frequency signal output, 50 ohm) |
| 12 | GND | - | Ground |
| 13 | GND | - | Ground |
| 14 | GND | - | Ground |
| 18 | NC | - | Empty |
| 19 | NC | - | Empty |
| 20 | NC | - | Empty |
| 21 | +3.3V | - | Power pin when program is loading (suspend, no need to connect, cannot be used as power supply ) |
| 22 | NC | - | Empty |
| 23 | GND | - | Module Ground |
| 24 | NC | - | Empty |
