RF Transceiver Module for Cellular Modems

Product Specifications

Technical details and manufacturing context for RF Transceiver Module

Definition

The RF Transceiver Module is a critical component of a Cellular Modem responsible for modulating, transmitting, receiving, and demodulating radio frequency signals. It serves as the primary interface between the modem's digital baseband processor and the cellular network's antenna, enabling wireless data communication over specific cellular frequency bands (e.g., 4G LTE, 5G). The module integrates transmitter and receiver sections, along with associated circuitry, in a compact package suitable for space-constrained applications. It is designed to operate within defined frequency ranges, output power levels, and receiver sensitivity thresholds, as specified by industry standards such as 3GPP TS 36.101. The module's performance parameters, including frequency range (700–2700 MHz), output power (23–33 dBm), receiver sensitivity (-108–-98 dBm), supply voltage (3.3–4.2 V), operating temperature (-40–85 °C), and modulation support (QPSK–256QAM), are typical reference values that must be verified for the specific model and application. The module interfaces with the baseband processor via a control interface (MIPI RFFE) and is housed in a package typically sized 5.5–7.0 mm, with a weight of 0.5–1.5 g. Materials used include silicon for integrated circuits, ceramic substrate, gold/copper traces, solder, and plastic/metal housing. The module's insertion loss (1.5–3.0 dB) and noise figure (1.5–3.5 dB) are important for signal integrity. Harmonic suppression relative to carrier is -30 to -20 dBc. These parameters are provided as directory reference ranges and must be confirmed with the legal manufacturer or supplier for the actual model. The module is intended for use in cellular modems and similar wireless communication devices, and its selection should consider the specific frequency bands, power requirements, and environmental conditions of the application.

Working Principle

The module operates by receiving digital data from the modem's baseband processor. A transmitter section converts this data into an analog radio frequency signal, amplifies it, and sends it to the antenna for broadcast. Conversely, the receiver section captures incoming RF signals from the antenna, amplifies and filters them, then converts them back into digital data for the baseband processor to interpret. The module's operation is controlled via the MIPI RFFE interface, allowing configuration of frequency, power, and other parameters. The module's performance is characterized by parameters such as insertion loss and noise figure, which affect signal quality. The module is designed to operate within specified temperature and voltage ranges, and its harmonic suppression ensures compliance with spectral emission requirements.

Common Materials

Silicon (for integrated circuits), Ceramic Substrate, Gold/Copper Traces, Solder, Plastic/ Metal Housing

Technical Parameters

Parameter	Typical range	Notes & selection driver
Frequency Range	700–2700 MHz	Covers LTE/5G NR bands3GPP TS 36.101
Output Power	23–33 dBm	Class 3 typical, Class 2 for high power3GPP TS 36.101
Receiver Sensitivity	-108–-98 dBm	Higher sensitivity for low data rates3GPP TS 36.101
Supply Voltage	3.3–4.2 V	Typical Li-ion battery range
Operating Temperature	-40–85 °C	Industrial gradeIEC 60068-2-1/2
Interface	MIPI RFFE	Control interface for configurationMIPI Alliance
Modulation Support	QPSK–256QAM	Higher order for LTE/5G3GPP TS 36.101
Insertion Loss	1.5–3.0 dB	In TX path, affects efficiency
Noise Figure	1.5–3.5 dB	Lower is better for sensitivity
Package Size	5.5–7.0 mm	QFN package typicalJEDEC MO-220
Weight	0.5–1.5 g	Including shielding
Harmonic Suppression	-30–-20 dBc	Relative to carrier3GPP TS 36.101

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Power Amplifier (PA)
Amplifies the low-power RF signal from the modulator to a level suitable for transmission via the antenna.

Material: Gallium Arsenide (GaAs) or Silicon Germanium (SiGe) semiconductor
Low-Noise Amplifier (LNA)
Amplifies the weak received RF signal from the antenna while adding minimal electronic noise.

Material: Silicon or GaAs semiconductor
RF Filter/Duplexer
Filters out-of-band interference and, in FDD systems, separates transmit and receive frequencies to allow simultaneous operation.

Material: Ceramic (SAW/BAW filters) or Metal Cavities
RF Switch
Routes RF signals between different paths, such as selecting between multiple antennas or frequency bands.

Material: Silicon-on-Insulator (SOI) or GaAs semiconductor
Analog Signal Converter
Converts baseband data to an analog RF signal for transmit, and back to digital on receive.
MIPI RFFE Interface
The control port through which frequency, power and band are configured.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Cellular Modem

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Wireless Communication Devices

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Manufacturers of RF Transceiver Module

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Frequently Asked Questions

What is the typical frequency range of this RF transceiver module?

The directory reference lists a frequency range of 700–2700 MHz, covering LTE and 5G NR bands. However, the actual supported bands depend on the specific model and must be confirmed with the manufacturer.

What is the output power capability?

The reference output power is 23–33 dBm, with Class 3 typical and Class 2 for high power. Actual output power varies by model and configuration, so verify with the supplier.

What is the receiver sensitivity?

The reference receiver sensitivity is -108 to -98 dBm, with higher sensitivity for low data rates. Confirm the exact sensitivity for your application with the manufacturer.

What standards apply to this module?

The module references standards such as 3GPP TS 36.101 for RF performance and MIPI RFFE for the control interface. These are verification references, not proof of certification. Always check compliance with the manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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voltage:	3.0V to 3.6V
temperature:	-40°C to +85°C
output power:	Up to +23 dBm
frequency range:	400 MHz to 6 GHz
receiver sensitivity:	-110 dBm typical

RF Transceiver Module

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

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