PRM112

Serial Interfaces:	UART
Package / Case:	Module
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Current - Transmitting:	90mA
Current - Receiving:	10mA
Voltage - Supply:	3.3V
Memory Size:	--
Utilized IC / Part:	--
Antenna Type:	Not Included, U.FL
Series:	FlexRF™
Sensitivity:	-98dBm
Power - Output:	17dBm
Data Rate:	500kbps
Frequency:	2.4GHz
Modulation:	FHSS
Protocol:	--
RF Family/Standard:	General ISM > 1GHZ
Part Status:	Obsolete
Packaging:	Tray

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RF Transceiver Modules: PRM112 Application Field and Working Principle

As technology advances, the development of wireless communication systems has been increasing. One of the technologies that has been heavily developed in this area is radio frequency (RF) communications. RF transceiver modules are one of the primary tools used in the development of these systems. The PRM112 is a type of RF transceiver module developed by Profal that is used in a variety of applications. This article will discuss the application field and working principle of the PRM112. In terms of application field, the PRM112 is a multi-functional RF transceiver module aimed at industrial remote radio applications, wireless data transmission, IoT, telemetry, remote monitoring and control, and wireless Ethernet applications. It is equipped with an integrated PLL synthesizer, a built-in 10MHz reference oscillator, and a low-noise radio front end. It is also capable of transmitting and receiving data at speeds up to 115.2kbps and data lengths up to 225 bytes. In terms of frequency band, it can operate in the frequency ranges of 300-330MHz, 301-318MHz and 315-326MHz, depending on the model. In terms of working principle, the PRM112 module uses a direct-conversion receiver architecture. It is equipped with a low-noise amplifier (LNA) and a band-pass filter (BPF) to separate the desired RF signal from other signals and noise. The signal is then amplified by the LNA and sent to the PLL synthesizer. The synthesizer converts the incoming signal to an intermediate frequency (IF) signal, which is then sent to the low-noise amplifier. The low-noise amplifier boosts the IF signal and retransmits it to the mixer. The mixer then demodulates the IF signal and sends the demodulated signal to the receiver output. The received signal is processed further by the microcontroller, which generates an appropriate response. The PRM112 module is also capable of transmitting data. It is equipped with a high-power output amplifier and a power amplifier. The microcontroller sends the data to be transmitted to the transmit chain, which consists of the power amplifier, the output amplifier, the up-converter, and the mixer. This data is then converted to an IF signal, which is then amplified by the output amplifier and sent to the up-converter. The up-converter converts the IF signal to an RF signal, which is then transmitted by the module. In summary, the PRM112 is a multi-functional RF transceiver module developed by Profal that is used in a variety of applications. It uses a direct-conversion receiver architecture, and is equipped with an integrated PLL synthesizer, a built-in 10MHz reference oscillator, and a low-noise radio front end. It is also capable of transmitting and receiving data at speeds up to 115.2kbps and data lengths up to 225 bytes. The frequency band that it can operate in depends on the model, but generally ranges from 300-330MHz, 301-318MHz, and 315-326MHz.

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