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E40-T20S2

[IC]:-

[Frequency]:425~450.5MHz

[Power]:3~13dBm

[Distance]:1.0km

[Interface]:UART

[Introduction]:E40-T20S2 is a 20mw wireless transceiver module,operates at 425-440.75MHz,SMD package,Which is convenient for intergration Module adopts super error correction code,Which is greatly improved the anti-interference performance and sensitivity.

硬件E40-T20S2
应用标题_02
智能抄表-EN (1)
智能家庭_02
智能门锁-EN (4)
智能农业_11
工业遥控-EN (9)
温湿度传感器_03


RF ParameterValue
Remark
Working frequency
425~450.5 MHz

Default:  433MHz

Transmitting power3~13 dBm

Default:  13dBm(About 20mW)

Receiving sensitivity
-111 dBm

Air data rate: 1.2kbps

Air data rate1.2k~19.2kbps

Default: 1.2kbps

Test distance1000m

In open and clear air, with maximum power, 5dBi antenna gain, height of 2m,

air data rate: 1.2kbps


Hardware ParameterValue
Remark

Size

17 * 30 mm

   

Antenna type

IPEX/external/spring

   

Communication interface

UART

Baud rate: 1200~115200, default: 9600

Package

SMD

   

Buffer

256  bytes buffer

Automatically sub-packaging with 39 bytes per package


Electronic parameterMin.Typ.Max.UnitCondition
Power supply
2.35.05.2V
Communication level2.53.33.6V
Transmitting current
263034mA13dBm(20mW)
Receiving current
11
1213mA

Sleep current
3
45μA
Operating temperature
-4020
+85
Operating humidity
1060
90%
Storage temperature
-4020
+125


E30-T100S2_Size

Pin No.
Pin ItemPin DirectionPin Application
1M0

Input

weak pull-up)

Work with M1 & decide the four operating modes. (Floating is not allowed, can be ground)

2M1

Input

weak pull-up)

Work with M0 & decide the four operating modes. (Floating is not allowed, can be ground)

3RXDInput

TTL UART inputs, connects to external (MCU, PC) TXD output pin.

Can be configured as open-drain or pull-up input.

4TXDOutput

TTL UART outputs, connects to external RXD (MCU,PC) input pin.

Can be configured as open-drain or push-pull output

5AUXOutput

To 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 open-drain output

or push-pull output. (Floating is allowed)

6VCCInput

Power supply 2.1V~5.5V DC

7GNDInput

Ground electrode

8ANTOutput

Reference places of high frequency signal output

9GNDInput/Output

Antenna interface high frequencysignal output

10GNDInput

Ground electrode

11GNDInput

Ground electrode


E40-T20S2


产品
型号
IC Interface Frequency
Hz
Power
dBm
Distance
km
Air
data
rate
Package Size
(mm)
Feature技术
手册
样品
购买
E40-T20S2 UART - 433M 13 1.0 1.2k~19.2k SMD 17*30 Low cost , FEC
  • E40-T20S2

    产品型号:E40-T20S2

    IC :UART

    Interface :-

    Frequency Hz :433M

    Power dBm :13

    Distance km :1.0

    Air data rate :1.2k~19.2k

    Package :SMD

    Size (mm) :17*30

    Feature:Low cost , FEC

    PDF :

    购买:

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