Onboard battery slot support various power supply; Lead out all I/O convenient to use; With basic LED and buttons; On board CP2102 convenient to debug and update program; With reserve sensor interface convenient to connect various sensors. Longer communication distance: Added RXF2401 amplifier on antenna Convenient to download: already downloaded serial Bootloader can download program with serial port directly or via CC DEBUGGER; Easy and convenient to use: users don't need to know about zigbee stack Automatic network: at least need one coordinator and one router Simple transmitting mode: transmit data through serial port Max. transmitting speed up to 127 bytes/s Simple configuration module through the serial port: Users can use the PC software or AT commands to configure the module's serial port baud rate PANID channel and other information. CC2530F256RHAR Features Frequency range: 2.4GHz 16 transfer chains software configurable according to environmental conditions Radio baud rate up to 250kbps High-Performance and low-power 8051 microcontroller core 2.4GHz IEEE 802.15.4 compliant RF transceiver Wide supply-voltage range (2~3.6V) With watchdog timer battery monitor and temperature sensor 12-Bit ADC with 8 channels and configurable resolution 2 powerful USARTs with support for several serial protocols one IR generation circuitry General-Purpose timers (One 16-Bit Two 8-Bit) AES security coprocessor 21 General-Purpose I/O pins (2 x 20 mA) Core2530 Features Onboard chip: CC2530F256RHAR Communication distance: Absolute maximum: over 1500 meters stable communication: over 1300 meters; Auto connecting: over 1000 meters (open and wide operating environment) Frequency range: 2.4GHz Wide supply-voltage range (2~3.6V) Operating temperature: 40~85'C Serial port baud rate: 38400bps (default) different baud rates are available by software configuration Dimension: 26mm x 27mm (PCB) Interface: all the I/Os Pinheader pitch: 2.54mm Spacing between pin headers on the left side and the right side: 22.86mm (9x2.54mm) Antenna: 2.4G 2dB omni-directional Node: can be configured as Coordinator Router (default) or EndDevice