The VT-CC2520-Z1 Wireless Module use TI's second generation ZigBee® / IEEE 802.15.4 RF transceiver for the 2.4 GHz unlicensed ISM band. In a typical system, This module can be used together with a microcontroller. 

Features
· ZigBee/IEEE 802.15.4 RF transceiver for the 2.4 GHZ unlicensed ISM band 
· Programmable output power up to +5 dBm，Excellent receiver sensitivity (-98 dBm)
· Provides extensive hardware support for frame handling, data buffering, burst transmissions, data encryption, 
  data authentication,clear channel assessment, link quality indication and frame timing information. 
  These features reduce the load on the host controller
· 6 configurable IO pins
· 128 bit AES
· CC2420 compatibility mode
· Wide supply range: 1.8 V – 3.8 V
· Suitable for systems targeting compliance with worldwide radio frequency regulations:
  ETSI EN 300 328 and EN 300 440 class 2 (Europe), FCC CFR47 Part 15 (US) and ARIB STD-T66 (Japan)
· Small Size 23.0*16.0*2.0mm 

Application
· 2.4GHz IEEE 802.15.4/ZigBee systems
· Home and building automation
· Set-top boxes and remote controls
· Industrial monitoring and control
· Automatic Meter Reading
· Consumer electronics
· Low-power wireless sensor networks

Parameter

NOTE：
1、 The module power supply voltage range is DC 1.8～3.8V, above DC 3.8V, the module will damage. It is recommended work at DC 3.3 V. 
2、 The module interface use half circle pad to soldering on the system PCB board, the GND must soldering to the system GND reliably. 
3、 The MCU which don’t have integrated SPI interface can also control the module, use the normal I/O port to work like SPI timing to read and write. The SPI data rate is below 8MHz.
4、 The interface can connect directly to the MCU which use 3.3V power supply, there is no need serial resistor. If the I/O is open-drain, the pull-up resistor will be added. When connect to the MCU which use 5V power supply, the MCU’s I/O output current over 10 mA, a 2~5k ohm resistor will be series to divide the voltage, or it will damage the module.
5、 Please note overvoltage or overcurrent will damage the module, and the ESD protection must be done.
6、 The module’s pin GDO0~GDO5 are general digital I/O port, it can be programmable to produce trigger signal or clock output.
7、 The module could pass soldering machine, at temperature 260°C it can bear 10 seconds. It is recommend to use SMT re-flow oven, especially there must be done ESD protection during the production.