[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

Limit Parameters Main Parameters Performance Remarks Min

Max Power supply（V） 2

6 3

6 Voltage over 3

6V will cause permanentdamage to module Operating temperature（℃） -40 85 / Operating parameter Main Parameters Performance Remarks Min

Typical Max Operating voltage（V） 1

8 3

3 3

6 Over 3

6V may permanently burn the module Communication level（V） - 3

3 - Using 5V level has the risk of burning Operating temperature（℃） -40 - +85 Industrial design Operating frequency（MHz） 410 433 510 - TX Current(mA) - 85 @Transmit power20dBm Instant power consumption RX current（mA） - 8

5 - - Sleep current（nA） 300 300 800