Operating parameter | Performance | Remark |
Operating frequency | 410.125~493.125MHz | 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 | 5500m | 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 | - | 133 | - | mA | Instant power consumption |
RX current | - | 11 | - | mA | - |
Sleep current | - | 469 | - | 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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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 |