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E49-400M20S

[IC]: CMT2300A

[Frequency]:410~510MHz

[Power]:20dBm

[Distance]:2.5km

[Size]:20*14mm

[Weight]:1.2±0.1g

[Introduction]:E49-400M20S is a cost-effective wireless data transmission module launched by Chengdu Ebyte. It is a pure hardware module based on CMT2300A. E49-400M20S supports a maximum transmit power of 20dBm, and users can set a lower output power to save power consumption.

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Limit Parameters

Main ParametersPerformanceRemarks
Min.Max
Power supply(V)2.63.6Voltage over 3.6V will cause permanentdamage to module
Operating temperature(℃)-4085/


Operating parameter

Main ParametersPerformanceRemarks
Min.TypicalMax
Operating voltage(V)1.83.33.6Over 3.6V may permanently burn the module
Communication level(V)-3.3-Using 5V level has the risk of burning
Operating temperature(℃)-40 -+85Industrial design
Operating frequency(MHz)410 433510 -
TX Current(mA)-85@Transmit power20dBmInstant power consumption
RX current(mA) -8.5--
Sleep current(nA)300300800Software is shut down
Max Tx power(dBm) - 20 --
Receiving sensitivity(dBm)-116 -117 -118@Air rate is 1.2kbps


Main parameter DescriptionRemarks
Reference distance2.5kmClear and open, antenna height 2.5 meters, air rate 2.4kbps
Crystal frequency  26MHz -
Packaging methodSMD-
Communication Interface SPI-
Dimensions 20*14mm-
RF interface IPEX/stamp hole  Equivalent impedance is about 50Ω
product weight 1.2±0.1gClear and open, antenna height 2.5 meters, air rate 2.4kbps

CH-E49-400M20S_SIZE


No. Name Direction Function
1~4 GND-Ground wire, connect to power reference ground
5~7GPIO1~3DI/OConfigurable multi-function IO port (see CMT2300Amanual for details)
8VCC-Module power supply, connect to power supply +3.3V
9~10GND -Ground wire, connect to power reference ground
11 SCLKDISPI clock pin
12SDIODI/OSPI data pins
13 CSB DI Chip select for SPI access register
14FCSB DIChip select for SPI access to FIFO
15~16 GND - Ground wire, connect to power reference ground
17 ANT -Module RF stamp hole interface, equivalent impedance is about 50Ω
18 GND -Ground wire, connect to power reference ground
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ModelInterface IC Frequency
Power Distance Air
data
rate
Package Size Feature ManualSample
E49-900T20S UART - 868M 915M 20 2.5 1.2k~200k SMD 26 * 16 Low power consumption
E49-900M20S SPI CMT2300A 868M 915M 20 3 - SMD 20*14 Low power consumption
E49-400M20S SPI - 433M 470M 20 2.5 0.5Kbps~300Kbps SMD 26 * 16 Low power consumption, high cost performance
E49-400T20S UART - 433M 470M 20 2.5 1.2k~200k SMD 26 * 16 Low power consumption, low cost solution
E49-400T20D UART - 433M 470M 20 2.5 1.2k~200k DIP 36*21 Low power consumption, low cost solution
  • E49-900T20S

    Product model:E49-900T20S

    Interface : UART

    IC : -

    Frequency : 868M 915M

    Power : 20

    Distance : 2.5

    Air data rate : 1.2k~200k

    Package : SMD

    Size : 26 * 16

    Feature : Low power consumption

    PDF :

    BUY:

  • E49-900M20S

    Product model:E49-900M20S

    Interface : SPI

    IC : CMT2300A

    Frequency : 868M 915M

    Power : 20

    Distance : 3

    Air data rate : -

    Package : SMD

    Size : 20*14

    Feature : Low power consumption

    PDF :

    BUY:

  • E49-400M20S

    Product model:E49-400M20S

    Interface : SPI

    IC : -

    Frequency : 433M 470M

    Power : 20

    Distance : 2.5

    Air data rate : 0.5Kbps~300Kbps

    Package : SMD

    Size : 26 * 16

    Feature : Low power consumption, high cost performance

    PDF :

    BUY:

  • E49-400T20S

    Product model:E49-400T20S

    Interface : UART

    IC : -

    Frequency : 433M 470M

    Power : 20

    Distance : 2.5

    Air data rate : 1.2k~200k

    Package : SMD

    Size : 26 * 16

    Feature : Low power consumption, low cost solution

    PDF :

    BUY:

  • E49-400T20D

    Product model:E49-400T20D

    Interface : UART

    IC : -

    Frequency : 433M 470M

    Power : 20

    Distance : 2.5

    Air data rate : 1.2k~200k

    Package : DIP

    Size : 36*21

    Feature : Low power consumption, low cost solution

    PDF :

    BUY: