[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.
No. | Name | Direction | Function |
1 | GND | - | Ground wire, connect to power reference ground |
2 | GND | - | Ground wire, connect to power reference ground |
3 | GND | - | Ground wire, connect to power reference ground |
4 | GND | - | Ground wire, connect to power reference ground |
5 | GPIO1 | DIO | Configurable multi-function IO port (see 0^1723 00A manual for details) |
6 | GPIO2 | DIO | Configurable multi-function IO port (see CNIT2300A manual for details) |
7 | GPIO3 | DLO | Configurable multi-function IO port (see CNIT2300A manual for details) |
8 | VCC | - | Module power supply, connect to power supply -3.3V |
9 | GND | - | Ground wire, connect to power reference ground |
10 | GND | - | Ground wire, connect to power reference ground |
11 | SCLK | DI | SPI clock pin |
12 | SDIO | DLO | SPI data pins |
13 | CSB | DI | Chip select for SPI access register |
14 | FCSB | DI | Chip select for SPI access to FIFO |
15 | GND | - | Ground wire, connect to power reference ground |
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 |