The RFFM4503SR is a Front-End Module (FEM) produced by RFMD (now part of Qorvo). It's designed for wireless applications that operate in the frequency range of 2.4 GHz to 2.5 GHz. Here's some information about the RFFM4503SR:
**Features:**
- **Frequency Range:** 2.4 GHz to 2.5 GHz
- **Integrated Components:** The module integrates a power amplifier (PA), low-noise amplifier (LNA), and a transmit/receive switch.
- **Tx Gain:** Provides power amplification for transmission signals.
- **Rx Gain:** Amplifies weak received signals for processing.
- **Low Noise Figure:** The LNA provides good sensitivity for received signals.
- **Power Supply Voltage:** Typically operates from a single voltage supply (3.3V), making it suitable for portable and low-power devices.
- **Compact Size:** The module's compact form factor makes it suitable for space-constrained designs.
- **RF Performance:** Designed to meet the performance requirements of various wireless communication standards.
**Applications:**
The RFFM4503SR Front-End Module is commonly used in wireless applications that operate in the 2.4 GHz to 2.5 GHz frequency range, such as:
- Wi-Fi (802.11b/g/n) and Bluetooth systems
- ZigBee and other short-range wireless protocols
- IoT devices and smart home applications
- Wireless sensor networks
- Embedded wireless communication modules
