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E22-900T22S Ebyte UART 5Km Range 868Mhz 915Mhz 22dBm SMD CE FCC LoRa Wireless Transmitter RF Module Semtech LoRa solution
E22-900T22S Ebyte UART 5Km Range 868Mhz 915Mhz 22dBm SMD CE FCC LoRa Wireless Transmitter RF Module Semtech LoRa solution
E22-900T22S Ebyte UART 5Km Range 868Mhz 915Mhz 22dBm SMD CE FCC LoRa Wireless Transmitter RF Module Semtech LoRa solution
E22-900T22S Ebyte UART 5Km Range 868Mhz 915Mhz 22dBm SMD CE FCC LoRa Wireless Transmitter RF Module Semtech LoRa solution

E22-900T22S Ebyte UART 5Km Range 868Mhz 915Mhz 22dBm SMD CE FCC LoRa Wireless Transmitter RF Module Semtech LoRa solution

[Frequency]：850.125~930.125MHz

[Power]：22dBm

[Distance]：5km

[Size]：16*26mm

[Product weight]：2.1±0.1g

[Introduction]：E22-900T22S is a new generation of LoRa wireless module. It is a wireless module based on the UART serial communication of SEMTECH's LoRa solution. The LoRa module has a variety of transmission methods and works in the (850.125~930.125MHz) frequency band (default 868.125MHz). The LoRa expansion frequency technology, TTL level output, compatible with 3.3V and 5V IO port voltages.

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RF ParameterValueRemark
Working frequency band850.125~930.125MHzSupport ISM band
Transmitting power22 dBmMax. Power 160mW
Receiving sensitivity-147dbm-
Air speed2.4 K ~62.5KBPSUser programming control
Measured distance5000 metersClear open environment, maximum power, antenna gain 5dBi, height 2.5m
Hardware ParameterValueRemark
Size16 * 26 mm

Antenna form IPEX/Stamp holeEquivalent impedance is about 50 ω
Communication portUART serial portTTL level
PackagePatch type

Electrical ParameterMin.Typ.Max.UnitCondition
Power supply voltage2.35.05.5V

Communication level-3.3-V

Emission current-155-MA22dBm (160mW）

Receiving current-11-


MADormant current-2.0-uA

Working temperature-4020
+85℃
Working humidity106090%

Storage temperature-4020+125℃


ZZteco

No.NameDirectionFunction
1NRSTInput-Module reset pin, low reset
2GND
Ground
3GND

4NC

5NC

6NC

7NC

8GND
Ground
11GND
Ground
12ANT
Antenna
13GND
Ground
14GND
Ground
15GND
Ground
16GND
Ground
19GND
Ground
20M0Input（weak pull-up）Work with M1 to decide 4 working modes of module (not suspended, if not used, could be grounded).
21M1Input（weak pull-up）Work with M0 to decide 4 working modes of module (not suspended, if not used, could be grounded).
22RXDInputTTL UART inputs, connects to external (MCU, PC) TXD output pin. Can be configured as open-drain or pull-up input.
23TXDOutputTTL UART outputs, connects to external RXD (MCU, PC) input pin. Can be configured as open-drain or push-pull output
24AUXOutputTo indicate module ’ s working status & wakes up the external MCU. During the procedure of self-check initialization, the pin outputs low level. Can be configured as push-pull output (suspending is allowed).
25VCC
Power supply ：2.3~ 5.2V DC
26GND
Ground


label: LoRa solution UART