The main pros of this module:

• High data speed 2Mbps (A7105 CC2500 is 512K)
• Module power at 5dbm and distance can reach 120 meters. NRF24L01, A7105, CC2500 transmission power at 0dbm（1mw）Distance around 20 meters

Specification:

• 2.4Ghz ISM Band free to use
• FSK/GFSK modulation
• 1Mbps/2Mbps on air data speed
• Programmable power：-35, -25, -15, -5, 0, 5 dBm
• 14mA power consumption at 0 dBm
• 21mA power consumption at 1Mbps data speed
• Three level adjustable length payload, length from 1 till 32 bytes, or one level adjustable length payload, length from 1 till 255 bytes
• Automatic data handle
• Capable to do 1:6 star network communication, can receive from six different channel at the same time
• Power supply from 1.9V till 3.6V
• Low power consumption, 3uA at power down mode, and 410 uA at standby mode
• 4 pins SPI at 8Mbps clock speed