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E49-900M20S Ebyte Wireless Module 850~930MHz 20dBm 3km Iot Wireless data transmission module

[IC]:CMT2300A

[Frequency]:850~930MHz

[Power]:20dBm

[Distance]:3km

[Size]:20*14mm

[Weight]:1.2±0.1g

[Feature]:Low power consumption, high cost performance

[Introduction]:E49-900M20S is a cost-effective wireless data transmission module launched by Chengdu Ebyte.It is A pure hardware module based on CMT2300A.E49-900M20S Supports the maximum transmission power of 20dBm, users can set a lower output power,thus saving power consumption.The module works in the 850MHz ~ 930MHz frequency band, including the commonly used 868MHz and 915MHz frequency band.Since this module is a pure RF transceiver module, using SPI interface, needs MCU driver.

Related article: EBYTE E49-900M20S Product Manual Guide





1
Pin No.ItemDirectionDescription
1GND-Ground
2GND-Ground
3GND-Ground
4GND-Ground
5GPIO1DIOConfigurable multi-function IO port (see CMT2300A manual for details)
6GPIO2DIOConfigurable multi-function IO port (see CMT2300A manual for details)
7GPIO3DIOConfigurable multi-function IO port (see CMT2300A manual for details)
8VCC-Power supply -3.3V
9GND-Ground
10GND-Ground
11SCLKDISPI clock pin
12SDIODIOSPI data pm 
13CSBDISPI register accesser
14FCSBDISPI FIFO accesser
15GND-Ground
16GND-Ground
17ANT-RF module stamp hole interface,impedance 50Ω
18GND-Ground