Index > Product > 2.4 GHz Short Range Devices > A7121
Selection Guide
General Description
A7121 is a monolithic CMOS integrated circuit for wireless
applications in 2.4GHz ISM band. The device is provided
in a 32-lead plastic QFN5X5 packaging and is designed as
a complete GFSK transceiver up to 3Mbps/ 1Mbps data
rate. The chip features a fully programmable frequency
synthesizer with integrated VCO circuitry.
Frequency bands: 2.4GMHz ISM band.
Programmable RF output power: up to 0 dBm.
Low power consumption: RX:28mA, TX:34mA.
Supply voltage 2.25 ~ 2.75V.
High sensitivity (-85dBm at 1Mbps, 􀐉1E-3 BER).
Data rate up to 3Mbps.
RSSI (Received Signal Strength Indicator).
Separate 64 bytes TX/RX FIFO for data buffer.
QFN32 package (5mm X 5mm).
Wireless digital audio
Wireless Mouse and Keyboard
2.4GHz ISM Band Communication System
Wireless game pad
Wireless toy
Application Note
Reference circuit design (Module)
Reference code
Evaluation kit (EK)
Development Kit (DK)
Production test tool
*Please contact the agents or sales for more details