E22-400T22U Ebyte LoRa solution USB module Firmware upgradeLong distance USB module Wireless LoRa spread spectrum moule
[Transmission power]：22dBm
[Communication distance]：5km
[Product size]：45.3*27.8*11.2mm
[Product weight]：8.4±0.1g
[Introduction]：E22-400T22U is a new generation of LoRa wireless spread spectrum module. It is a wireless serial port module based on SEMTECH LoRa solution. It has a variety of transmission methods, works at 410.125~493.125MHz (default 433.125MHz), LoRa spread spectrum technology, 5V IO port voltage, and adopts USB standard packaging to facilitate user development and use. Communication is compatible with E22-230T/400T/900T series products and supports baud rate 1200~115200 bps. Supports wireless configuration, carrier sensing, automatic relay, communication keys, firmware upgrades and other functions, supports packet length settings, and provides customized development services.
| E22-230T22U/E22-400T22U/E22-900T22U |
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| Electrical parameter | Minimu m value | Typical value | Maximum value | Unit | Remark |
| Supply Voltage | 4.8 | 5 | 5.5 | V | ≥5.0V guaranteed output power Over 5.5V permanently burns out the module |
| Emission current | - | 110 | - | mA | Instantaneous power consumption |
| Receiving current |
- | 14 | - | mA | - |
| Operating temperature |
-40 | 20 | 85 | ℃ | Industrial grade design |
| Working humidity |
10 | 60 | 90 | % | - |
| Storage temperature |
-40 | 20 | 85 | ℃ | - |
| RF parameters | Parameter Value | Remark | ||
| E22-230T22U | E22-400T22U | E22-900T22U | ||
| Operating Frequency |
220.125MHz~236.125MHz | 410.125~493.125MHz | 850.125~930.125MHz | E22-400T22U supports ISM band |
| Transmitting power |
22dBm | Software adjustable, need user to develop their own settings | ||
| Acceptance sensitivity |
-122dBm | Air rate 2.4 kbps | ||
| FIFO | 240 Byte | Packets of 32/64/128/240 bytes can be sent by command | ||
| Modulation method | LoRa | New generation LoRa modulation technology | ||
| Measured distance | 5 Km | Clear and open environment, antenna gain 5dBi, antenna height 2.5m, air rate 2.4kbps |
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| Hardware Parameters | Parameter Value |
Remark |
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| E22-230T22U | E22-400T22U | E22-900T22U | ||
| Communication Interface | USB | - | ||
| Packaging method | 直插式 | - | ||
| Interface method | USB | - | ||
| Dimension | 45.3*27.8*11.2mm | ±0.2mm, plus housing with cap | ||
| Antenna Form | SMA-K | Male threaded bore, equivalent impedance approx. 50Ω | ||
| Product net weight | 8.4g | 士0.2g | ||
