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E22-230T22D LoRa solution wireless serial port module
E22-230T22D LoRa solution wireless serial port module

E22-230T22D LoRa solution wireless serial port module

[Frequency]：220.125~236.125MHz

[Power]：22dBm

[Distance]：5km

[Size]：36*21mm

[Product weight]：7.6±0.1g

[Introduction]：E22-230T22D is a new generation of LoRa wireless module. It is a wireless serial port module (UART) based on SEMTECH's LoRa solution radio frequency chip. It has a variety of transmission methods and works in the (220.125~236.125MHz) frequency band (default 230.125MHz). LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltages.

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Main parameterDescriptionRemark
Distance for reference5kMTest condition: clear and open area, antenna gain: 5dBi, antenna height: 2.5m, air data rate: 2.4k bps
TX length240 ByteCan be configured via command as 32/64/128/240 bytes per packet to transmit
Buffer1000 Byte-
ModulationLoRaNew generation LoRa modulation technology
Communication interfaceUARTTTL level
PackageDIP-
Size21*36 mm-
AntennaSMA-K50 ohm impedance
Main parameterMin.Typ.Max.UnitRemark
Operating voltage2.355.5V≥5.0V ensures output power
Communication level-3.3-VFor 5V TTL, It is recommended to add level conversion
Operating temperature-40-+85℃Industrial design
Operating frequency220.125-236.125MHzSupport ISM band
TX current-107-mAInstant power consumption
RX current-11-mA-
Sleep current-2-μASoftware is shut down
Max Tx power21.522.022.5dBm-
Receiving sensitivity-146-147-148dBmAir data rate is 0.3k bps
Air data rate0.3k2.4k15.6kbpsControlled via user's programming


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No.NameDirectionFunction
1M0Input（weak pull-up）Work with M1 to decide 4 working modes of module (not suspended, if not used, could be grounded).
2M1Input（weak pull-up）Work with M0 to decide 4 working modes of module (not suspended, if not used, could be grounded).
3RXDInputTTL UART input, connects to external TXD output pin.
4TXDOutputTTL UART output, connects to external RXD input pin.
5AUXOutput To indicate module ’s working status & wakes up the external MCU. During the procedure of self-check initialization, the pin outputs low level.(suspending is allowed).
6VCCInputModule power supply positive reference, voltage range: 2.3 ～ 5.5V DC
7GNDInputGround
8Fixed hole-Fixed hole（Connect to GND on the module）
9Fixed hole-Fixed hole（Connect to GND on the module）
10Fixed hole-Fixed hole（Connect to GND on the module）


label: LoRa solution LoRa Module