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E22-400T37S High power Relay networking
E22-400T37S LoRa wireless module
E22-400T37S SX1268 radio frequency chip
E22-400T37S High power Relay networking
E22-400T37S LoRa wireless module
E22-400T37S SX1268 radio frequency chip
Ebyte E22-400T37S LoRa solution 433/470MHz 5W high power Relay networking LoRa wireless module

[Chip Solution]：LoRa Solution

[Frequency]：410.125-493.125 MHz

[RF Interface]：IPEX/Stamp Hole

[Communication distance]： 25km

[Size]： 50*30.9mm

[Product weight]：10.3±0.1g

[Introduction]：E22-400T37S is a wireless serial port module (UART) based on SEMTECH's LoRa solution. It has multiple transmission methods, works in the (410.125~493.125MHz) frequency band (default 433.125MHz), LoRa spread spectrum technology, TTL level output, supports 4 5 V - 15V supply voltage.

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Main parameterperformanceRemark
minimUmTypical
value		maximu
m
Operating voltage (V).4.55~12 V15

≥4. 5V guarantees output power, and the lower the voltage, the greater the supply current

Communication level (V)-3.3-

Using 5V levels may pose a risk of burnout, requiring
level shifting circuitry

Operating temperature (°C).-40-85

Industrial-grade design

Operating frequency band
(MHz).		410.125-493.125

ISM bands are supported


power
consumpion




5V transmit current (mA)290031003300

Test at 50 ohms impedance, impedance mismatch may cause large current, use 5V power supply,please provide at least 3.5A output power supply


12V transmit current (mA)90011001300

Test at 50 ohms impedance, impedance mismatch may cause large current, use 12V power supply, please provide at least 1.5A output power supply

Receive current (mA). 114315

-

Sleep current (uA). -2-

Software shutdown

Maximum transmit power(dBm).
363738

-

Receive sensitivity (dBm).
-126-128-130

Air rate 2.4 kbps


Air rate (bps).
0.3k2.4k62.5k

User programmatic control


Reference distance
20km

Clear sky, Chengdu downtown, antenna gain 5dBi,
antenna height 2.5 meters, airspeed 2.4K

Emission length
240 Byte

Subpackets can be sent by command setting
32/64/128/240 byte

Cache capacity
1000 Byte

-

Modulation mode
LoRa

A new generation of LoRa modulation technolog

Communication interface
UART serial port

TTL leve


Encapsulation method
SMD

SMD

Interface mode
2.54mm

-

Form factor
50*30.9mm

-

RF interfac
IPEX/stamp hole

The characteristic impedance is about 50 ohms


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