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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: V-chip
  • Model Number: VT-CC1120-868
  • Frequency range: 868MHz
  • Operating supply voltage: DC 2.0~3.6V
  • Modulation format: 2-FSK/4-FSK/2-GFSK/4-FSK/MSK/OOK
  • Dimension: 23.05 mm*15.06 mm*1.8mm
  • Data rate: 0~200Kbps
  • Antenna impedance: 50ohm
  • Transmit distance: 1500m
  • Receiver sensitivity: -118dBm(1.2kbps)
  • Transmit power: -11~+15dBm
  • Storage temperature range: -40~+125°C

Packaging & Delivery

Packaging Details standard package
Delivery Time Shipped in 3 days after payment

CC1120 433Mhz 868Mhz 470Mhz SPI RF Wireless Module


General Description

VT-CC1120-433M is based on RF Transceiver CC1120 of TI Chipcon,it’s a small size and ultra low power wireless module. CC1120 is fully integrated single-chip radio transceiver designed for high performance at very low power and low voltage operation in cost effective wireless systems. The circuit is mainly intended for the ISM (Industrial, Scientific and Medical) and SRD (Short Range Device) frequency bands at 164-192 MHz, 410-480 MHz and 820-960 MHz. The MAX RF output power can be set as high as +15dBm, with data rate as high as 200Kbps. The module integrated many RF functions thus you can use it conveniently and reducing your development time.    





l  433MHz wireless transceiver, Frequency bands at 170M/868M/915M/950MHz are customized

l  Programmable baseband modulator with 2-FSK/2-GFSK/4-FSK/4-GFSK/MSK/OOK/ASK

l  Programmable output power from -11 to +15dBm

l  High receiver sensitivity down to -123dBm while 1.2kbps data rate

l  Programmable data rate 1.2~200Kbps

l  Low power consumption and operating supply voltage:2.0~3.6V DC

l  Point to point and point to multi-point communication.

l  Support carrier sense and digital RSSI output.

l  Separate 128-byte RX and TX FIFOs

l  High stability and industrial reliability

l  Small dimension:23.05mm×15.06mm×1.8 mm





l  Wireless Metering and Wireless Smart Grid (AMR and AMI)

l  Logistics Tracking System, Warehouse patrol, Electronic label

l  Industrial monitoring and control

l  AMR – Automatic Meter Reading

l  Home and building automation

l  Consumer Electronics products of wireless control

l  Wireless alarm and security systems

l  Wireless sensor networks



Detail Parameters


General Characteristics

Test operating conditions:Ta=25°C,VCC=3.3V if nothing else stated.




Operating supply voltage

DC 2.0~3.6V


Frequency range



Frequency accuracy



Modulation format



Transmit power



TX current consumption



Receiver sensitivity


Refer to data rate

RX current consumption



Sleep State current consumption



Data rate



Antenna impedance



Operating voltage



Operating temperature

-20~+75 °C


Storage temperature range




23.05 mm×15.06 mm×1.8mm

See more in PCB description


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Company Information




Reason and Solution

Can’t communication

1.The power supply connect not well, check the module VCC whether it is out of maximum rating.

2.The signal line connect not well, check the module SPI interface.

3.The settings of the transmitter module and receiver module are not the same. Check these modules’ register configuration.

4.Signal block. If the transmitter work with a high TX power, and the receiver was put at a short distance(<0.5m), maybe there is a signal block to make no communication.

Communication distance is too short

1.The application environment is too bad or the antenna is shield. Put the antenna to a better place outside or higher throw a coaxial line , replace it with a higher gain antenna.

2.The work space contains a same frequency interference source, or a strong magnetic field interference, power source disturbance. Try to change the carrier frequency or get far away from the source of the disturbance.

3.The power supply is not strong. Check the voltage and the current whether it is enough.

High data error

1.The power supply ripple is too big, Change the power supply.

2.Check the module register configuration, it is recommended to set as the CC1120-datasheet.

3.There is a carrier frequency interference, change the channel.

4.The antenna unmatched to the module RF interface, change another matched antenna.


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