1. Муқаддима
The EBYTE E22P Series LoRa Modules are high-performance wireless communication modules based on the SEMTECH SX1262 RF transceiver chip. These modules are designed for long-distance transmission with low power consumption, offering enhanced efficiency, faster speeds, and a compact size. They feature built-in PA (Power Amplifier), LNA (Low Noise Amplifier), SWA (Switching Amplifier), and ESD protection, making them suitable for various industrial and IoT applications requiring stable and anti-interference communication.
2. Хусусиятҳои асосӣ
- Чипсет: SEMTECH SX1262 RF transceiver module.
- Бандҳои басомад: Available in 868MHz (E22P-868M30S) and 915MHz (E22P-915M30S) variants.
- Иҷрои баланд: Utilizes new SX1262/SX1268 chips for full performance upgrade, offering higher efficiency, longer distance, faster speed, and smaller size.
- Масофаи дури муошират: Capable of up to 12km transmission distance under clear and open conditions with optimal antenna configuration.
- Stable and Anti-interference: Built-in RF front-end module, power ampбаландбардор, садои паст amplifier, surface acoustic wave filter, and ceramic filter improve out-of-band spurious suppression and anti-interference capabilities.
- High Precision Oscillator: Adopts a 32MHz high-precision active temperature-compensated crystal oscillator (TCXO) to ensure accurate and stable frequency across a wide temperature range (-40°C to +85°C).
- Баромади барқ: Up to 30dBm (approximately 1W) transmit power.
- Интерфейс: SPI (Serial Peripheral Interface).
- Муҳофизати ESD: Integrated ESD protection design.
- Андозаи паймон: Dimensions of 38.5mm x 24mm, suitable for applications with high volume requirements.
- Имконоти антенна: Supports IPEX and Stamp Holes for flexible antenna integration.




3. Вариантҳои маҳсулот
The E22P series offers modules optimized for different frequency bands:
- E22P-868M30S: Operates in the 868MHz frequency band.
- E22P-915M30S: Operates in the 915MHz frequency band.
Both variants share the same core features and dimensions, differing primarily in their operating frequency to comply with regional regulations and application requirements.


4. Мушаххасоти
4.1. General Parameters
| Параметрҳои асосӣ | E22P-868M30S | E22P-915M30S |
|---|---|---|
| Банди басомади амалиётӣ | 863.3-873.3 МГц | 902-928 МГц |
| ФР Chip | SX1262 | |
| Басомади кристалл | 32MHz (High-precision active temperature compensated crystal oscillator) | |
| Интиқоли нерӯ | 30dBm (Maximum power, about 1W) | |
| Масофаи алоқа | 12000m (Max, with 5dBi antenna, 2m height) | |
| Интерфейси коммуникатсионӣ | SPI | |
| Нархи ҳаво | 0.018-300 кбит/с | |
| Таҳвили ҷилдиtagд (V) | 2.5-5.5V (DC 3.3-5.5V) | |
| Emission Current (mA) | 610 | 640 |
| Receiving Sensitivity (dBm) | -150 | |
| Навъи антенна | IPEX/Стamp Сӯрохиҳо | |
| Вазни маҳсулот (г) | 4.9 ±0.1г | |
| Encapsulation Interface | Патч | |
| Ҷараёни хоб | 3уА | |

4.2. Таърифҳои Pin
| Шумораи пай дар пай | Номи PIN | Навъи пин | Ҳадафи Pin |
|---|---|---|---|
| 1 | GND | - | Сими заминӣ, ки ба замини истинод ба нерӯ пайваст шудааст |
| 2 | GND | - | Сими заминӣ, ки ба замини истинод ба нерӯ пайваст шудааст |
| 3 | GND | - | Сими заминӣ, ки ба замини истинод ба нерӯ пайваст шудааст |
| 4 | GND | - | Сими заминӣ, ки ба замини истинод ба нерӯ пайваст шудааст |
| 5 | GND | - | Сими заминӣ, ки ба замини истинод ба нерӯ пайваст шудааст |
| 6 | EN | Вуруд | RF enable control pin, connected to external MCU IO, high level is valid |
| 7 | T/R CTRL | Вуруд/баромад | RF transmission and reception control pins, high level for transmission, low level for reception, connected to external microcontroller IO or DIO2 |
| 8 | DIO2 | Вуруд/баромад | Configurable general IO port |
| 9 | VCC | - | Power supply, range 3.3 ~ 5.5V (it is recommended to add external ceramic filter capacitor) |
| 10 | VCC | - | Power supply, range 3.3 ~ 5.5V (it is recommended to add external ceramic filter capacitor) |
| 11 | GND | - | Сими заминӣ, ки ба замини истинод ба нерӯ пайваст шудааст |
| 12 | GND | - | Сими заминӣ, ки ба замини истинод ба нерӯ пайваст шудааст |
| 13 | DIO1 | Вуруд/баромад | Configurable general IO port |
| 14 | БАНД | Натиҷа | Used for status indication |
| 15 | NRST | Вуруд | Chip reset trigger input pin, low level is valid |
| 16 | МИСО | Натиҷа | PIN баромади маълумоти SPI |
| 17 | МОСКВА | Вуруд | PIN вуруди додаҳои SPI |
| 18 | SCK | Вуруд | PIN-и вуруди соати SPI |
| 19 | NSS | Вуруд | Чипи модули интихобкардаи PIN, ки барои оғози иртиботи SPI истифода мешавад |
| 20 | GND | - | Сими заминӣ, ки ба замини истинод ба нерӯ пайваст шудааст |
| 21 | МОРТ | - | Интерфейси антенна, стamp сӯрох (50Ω импеданси хос) |
| 22 | GND | - | Сими заминӣ, ки ба замини истинод ба нерӯ пайваст шудааст |

4.3. RF Output Power Comparison


5. Танзимот
5.1. Интегратсияи модул
The E22P modules are designed for surface-mount (SMD) integration. Ensure proper soldering techniques are used to avoid damage. Connect the module to your microcontroller (MCU) using the SPI interface and relevant control pins as defined in Section 4.2.

5.2. Пайвастшавии антенна
The module supports both IPEX and stamp hole antenna interfaces. Choose an appropriate 50Ω antenna for your application and frequency band (868MHz or 915MHz). For optimal performance, ensure the antenna is positioned correctly and has a clear line of sight.

5.3. Таъмини барқ
Provide a stable DC power supply within the range of 2.5V to 5.5V. It is highly recommended to add external ceramic filter capacitors to the VCC pins to ensure stable power delivery and minimize noise.
5.4. Offline Test Evaluation Kit (Optional)
For quick evaluation and testing, an Offline Test Evaluation Kit is available. This kit includes a pre-welded E22P module, glue stick antennas (868M/915M), 2*10PIN headers, and a Type-C adapter cable. It is recommended to order two pieces of the kit for easy sending and receiving tests.


6. Дастурҳои истифодабарӣ
6.1. Basic Operation with Test Kit
If using the Offline Test Evaluation Kit:
- Connect the Type-C adapter cable to the kit and a power source (e.g., power bank or computer).
- The OLED display will show the current mode (e.g., Home, Setting, Tx Mode, Rx Mode, Version).
- Use the 'OK', 'UP', and 'DOWN' buttons to navigate menus and configure parameters. The 'Back' button (Buzzer) can be used to return to previous menus.
- The LED indicator provides visual feedback on module status.
- For data transmission tests, configure one kit as a transmitter and another as a receiver.
6.2. Data Transfer Example
When performing data transfer tests with two evaluation kits:
- Configure the number of times to send data on the transmitting module.
- The receiving module can display real-time data such as channel, rate, power, total transmissions (Tx Total), current receptions (Current), lost packets (Lost), and packet loss rate (Lost Pkt %).

6.3. Таҳияи нармафзор
The Offline Test Evaluation Kit includes an onboard master control STM32E103C8T6, which supports secondary development. Users can develop custom firmware to control the LoRa module and integrate it into their specific applications.
7. Нигоҳдорӣ
- Муҳофизати ESD: Always handle the module with proper electrostatic discharge (ESD) precautions to prevent damage to sensitive components.
- тозагӣ: Keep the module clean and free from dust, moisture, and corrosive substances.
- Ҳарорат: Operate the module within its specified temperature range (-40°C to +85°C). Avoid extreme temperatures that can affect performance and longevity.
- Зарари ҷисмонӣ: Avoid physical stress or impact to the module. Ensure proper mounting to prevent vibrations or accidental disconnections.
8. Баррасии мушкилот
- Муошират нест:
- Check all power connections (VCC, GND) and ensure they are stable and within the specified voltagдиапазон.
- Verify SPI connections (MISO, MOSI, SCK, NSS) are correct and securely attached.
- Ensure the EN pin is high for RF operation.
- Check the T/R CTRL pin for correct transmission/reception mode.
- Confirm antenna is properly connected and matched to the module's frequency. - Poor Range/Signal:
- Ensure antennas are correctly installed and have a clear line of sight.
- Check for environmental interference (e.g., other wireless devices, metal obstructions).
- Verify transmit power settings are at the desired level.
- Ensure both modules are operating on the same frequency and with compatible LoRa parameters (e.g., spreading factor, bandwidth). - Модул ҷавоб намедиҳад:
- Check the NRST pin. A low level on this pin will reset the chip.
- Verify the power supply is stable and sufficient. - Масъалаҳои нармафзор:
- Double-check your SPI communication code and register configurations.
- Refer to the SX1262 datasheet and EBYTE's documentation for detailed register maps and programming guides.
9. Маслиҳатҳои корбар
- Интихоби антенна: For maximum range, use a high-gain antenna (e.g., 5dBi) and position it as high as possible with minimal obstructions.
- Power Filtering: Always include ceramic filter capacitors on the VCC lines close to the module to ensure clean power and prevent noise from affecting RF performance.
- Эҳтиётҳои ESD: When handling the module, especially during installation or antenna connection, use an anti-static wrist strap and work on an ESD-safe surface.
- Санҷиш: When setting up a new communication link, start with short distances and gradually increase the range while monitoring signal quality.
- Firmware Development: Leverage the STM32E103C8T6 on the evaluation kit for custom firmware development to tailor the module's behavior to your specific application needs.
10. Кафолат ва дастгирӣ
For detailed warranty information, technical support, and additional resources, please refer to the official EBYTE website or contact their customer service. Firmware updates and further documentation may also be available on the manufacturer's product page.
Зеркашӣ кунед files: https://www.cdebyte.com/product_serch/E22P/1/





