Home >Module>SPI/SOC/UART>CMT2300A

Ebyte E49-400M20S Wireless data transmission module pure hardware module to develop and use

[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.

1
No.NameDirectionFunction
1GND-Ground wire, connect to power reference ground
2GND-Ground wire, connect to power reference ground
3GND-Ground wire, connect to power reference ground
4GND-Ground wire, connect to power reference ground
5GPIO1DIOConfigurable multi-function IO port (see 0^1723 00A manual for details)
6GPIO2DIOConfigurable multi-function IO port (see CNIT2300A manual for details)
7GPIO3DLOConfigurable multi-function IO port (see CNIT2300A manual for details)
8VCC-Module power supply, connect to power supply -3.3V
9GND-Ground wire, connect to power reference ground
10GND-Ground wire, connect to power reference ground
11SCLKDISPI clock pin
12SDIODLOSPI data pins
13CSBDIChip select for SPI access register
14FCSBDIChip select for SPI access to FIFO
15GND-Ground wire, connect to power reference ground
16GND-Ground wire, connect to power reference ground
17ANT-Module RF stamp hole interface, equivalent impedance is about 50Ω
18GND-Ground wire, connect to power reference ground