[Частота]： 410,125~493,125 МГц
[Сила]： 30 дБм
[Расстояние]： 8км
[Размер]： 24*43 мм
[Масса]： 11±0.2g
[Введение]： E22-400T30D — это новый модуль Lora (UART), основанный на решении LoRa. Он имеет несколько режимов передачи, работающих на частоте 410,125～ 493,125 МГц, технологию расширения спектра LoRa, выходной уровень TTL, совместимый с напряжением порта ввода-вывода 3,3 В и 5 В.
| Main Parameters | Performance | Remarks | |
| Min. | Max | ||
| Power supply（V） | 0 | 5.5 | Voltage over 5.5V will cause permanentdamage to module |
| Blocking power（dBm） | - | 10 | Chances of burn is slim when modules areused in short distance |
| Operating temperature（℃） | -40 | 85 | / |
| Main Parameters | Performance | Remarks | ||
| Min. | Typ. | Max. | ||
| Operating voltage（V） | 3.3 | 5.0 | 5.5 | ≥5.0 V ensures output powerr |
| Communication level（V） | 3.3 | For 5V TTL, it may be at risk of burningdown | ||
| Operating temperature（℃） | -40 | - | 85 | Industrial design |
| Operating frequency（MHz） | 410.125 | - | 493.125 | Support ISM band |
| TX Current(mA) | 610 | Instant power consumption | ||
| RX current（mA） | 17 | |||
| Sleep current（μA） | 2 | Software is shut down | ||
| Max Tx power（dBm） | 29.5 | 30.0 | 30.5 | |
| Receiving sensitivity（dBm） | -146 | -147 | -148 | Air data rate is 2.4kbps |
| Air data rate（bps） | 2.4k | - | 62.5k | Controlled via user’s programming |
| Main parameter | Description | Remarks |
| Distance for reference | 8km | Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2.5m，air data rate: 2.4kbps |
| TX length | 240 Byte | Can be configured via command as 32/64/128/240 bytesper packet to transmit |
| Buffer | 1000 Byte | |
| Modulation | LoRa | |
| Communication interface | UART | |
| Package | DIP | |
| Connector | 1*7*2.54mm | |
| Size | 24*43mm | |
| Antenna | SMA-K | 50 ohm impedance |
| No. | Name | Direction | Function |
|---|---|---|---|
| 1 | M0 | Input（weak pull-up） | Work with M1 to decide 4 working modes of module (not suspended, if notused, could be grounded). |
| 2 | M1 | Input（weak pull-up） | Work with M0 to decide 4 working modes of module (not suspended, if notused, could be grounded). |
| 3 | RXD | Input | TTL UART inputs, connects to external (MCU, PC) TXD output pin. Can beconfigured as open-drain or pull-up input. Ground |
| 4 | TXD | Output | TTL UART outputs, connects to external RXD (MCU, PC) input pin. Can beconfigured as open-drain or push-pull output |
| 5 | AUX | Output | To indicate module ’s working status & wakes up the external MCU. During theprocedure of self-check initialization, the pin outputs low level. Can beconfigured as push-pull output (can be suspended). |
| 6 | VCC | Input | Power supply ：3.3~ 5.5V DC |
| 7 | GND | Input | Ground |
| 8~11 | Fixed hole | - | Fixed hole |
Product Descriptio
Development Testin
RF_Setting(E22-E90(SL)) （neutral）.pdf
Ebyte Company Prof