Description
CC1125 433MHz 2Km Long Range RF Transceiver Module SPI Narrow-Band Wireless Data Transfer Bidirectional Transceiver
Product Description
CC1125 RF Module Active crystal narrowband transmission High sensitivity Low power consumption The SPI wireless module is a pure hardware wireless module. Its interface adopts the SPI general method. It needs an external MCU to program the MCU and configure the register parameters of the module chip to complete data communication.
Specification
|
item
|
value
|
|
Model
|
CC1125-TR-4S
|
|
Chip solution
|
CC1125
|
|
Carrier frequency
|
433MHz typical
|
|
Operating Voltage
|
3.3V
|
|
Transmit power
|
15dBm
|
|
Receive sensitivity
|
-129dBm
|
|
Communication distance
|
2Km
|
|
Communication Interface
|
SPI
|
|
Antenna interface
|
Antenna interface
|
|
Packaging method
|
patch
|
|
Size
|
25.6*20.9mm
|
Installation Instructions
Pin function description
1, GND, ground 2, 3.3V, power supply voltage, DC 1.8~3.6V input 3, RST, reset input 4, GDO3, can be configured to generate trigger signal or clock signal 5, GDO2, can be configured to generate trigger signal or clock signal 6, SI, SPI data input 7, SCLK, SPI clock input 8, SO, SPI data output 9, GDOO, can be configured to generate trigger signal or clock signal 10, CSN, CSN=0 is valid 11, GND, power ground 12, ANT, impedance 50ohm 13, GND, power ground 14, ENABLE, active low, enable the active crystal oscillator power supply. When RF is dormant, for further To reduce power consumption, it can be externally pulled high to turn it off.
Details Images