RF Transceiver Modules and Modems

Image Part Number Description / PDF Quantity Rfq
114990086

114990086

Seeed

RX TXRX MOD WIFI SURFACE MOUNT

0

317030013

317030013

Seeed

RX TXRX MODULE BLE 4.0 SMD

0

113990075

113990075

Seeed

RX TXRX MODULE 802.15.4 TH

0

113050004

113050004

Seeed

RX TXRX MODULE BT TRC ANT TH

0

317010003

317010003

Seeed

RX TXRX MODULE ISM < 1GHZ SMD

0

317030014

317030014

Seeed

RX TXRX MOD BLE 4.0 TRC ANT SMD

0

113990021

113990021

Seeed

RX TXRX MOD ISM>1GHZ TRC ANT SMD

0

101990071

101990071

Seeed

RX TXRX MODULE WIFI I-PEX TH

0

317030022

317030022

Seeed

RX TXRX MODULE BLUETOOTH SMD

0

113050000

113050000

Seeed

RX TXRX MODULE WIFI CHIP TH

0

317030018

317030018

Seeed

RX TXRX MODULE BLE 4.0 SMD

0

113990103

113990103

Seeed

RX TXRX MODULE U.FL CONN MT

0

113050014

113050014

Seeed

RX TXRX MODULE BT TRC ANT TH

0

113990089

113990089

Seeed

RX TXRX MOD WIFI SURFACE MOUNT

0

113990056

113990056

Seeed

RX TXRX MOD ISM<1GHZ WIRE ANT TH

0

113990076

113990076

Seeed

RX TXRX MOD ISM<1GHZ WIRE ANT TH

0

317030016

317030016

Seeed

RX TXRX MODULE BLE 4.0 SMD

0

317010009

317010009

Seeed

RX TXRX MODULE ISM < 1GHZ TH

0

317990025

317990025

Seeed

RX TXRX MODULE THROUGH HOLE

0

317010010

317010010

Seeed

RX TXRX MODULE ISM < 1GHZ TH

0

RF Transceiver Modules and Modems

1. Overview

RF (Radio Frequency) and RFID (Radio Frequency Identification) transceiver modules and modems are critical components in wireless communication systems. RF transceivers enable bidirectional data transmission over radio waves, while RFID modules specialize in identifying and tracking objects via electromagnetic coupling. These technologies underpin modern IoT, industrial automation, logistics, and consumer electronics by enabling seamless connectivity and asset management.

2. Main Types and Functional Classification

TypeFunctionalityApplication Examples
Sub-1GHz RF ModulesLong-range, low-power communicationSmart meters, wireless sensors
2.4GHz RF ModulesHigh-speed, short-range communicationBluetooth, Zigbee devices
UHF RFID ModulesUltra-High Frequency identificationSupply chain tracking, retail inventory
HF RFID ModulesHigh-Frequency contactless communicationAccess control, ticketing systems

3. Structure and Components

A typical RF transceiver module consists of an antenna interface, RF front-end (LNA, PA), frequency synthesizer, baseband processor, and digital interface. RFID modules include a reader antenna, RFID chip, modulation/demodulation circuit, and protocol engine. Both integrate RFICs (Radio Frequency Integrated Circuits) and support standards like IEEE 802.15.4 or EPCglobal Gen2.

4. Key Technical Specifications

ParameterDescriptionImportance
Frequency RangeOperational bandwidth (e.g., 868-915MHz)Determines regulatory compliance and interference resistance
Transmit PowerOutput power (e.g., 0-20dBm)Affects communication range and signal penetration
Receiver SensitivityMinimum detectable signal (e.g., -120dBm)Impacts link reliability in noisy environments
Data RateTransmission speed (e.g., 2Mbps)Dictates real-time data throughput
Protocol SupportStandards compatibilityEnsures interoperability with existing systems

5. Application Fields

  • Industrial: Wireless sensor networks, factory automation
  • Consumer: Smart home devices, wearables
  • Healthcare: Patient monitoring, asset tracking
  • Logistics: RFID-based inventory management

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Texas InstrumentsCC2652RMulti-protocol 2.4GHz SoC for Zigbee/Thread
Nordic SemiconductornRF52840Bluetooth 5.2 and Thread support
ImpinjR420UHF RFID reader for retail and supply chain
STMicroelectronicsS2-LPSub-1GHz transceiver for IoT sensors

7. Selection Guidelines

Key considerations include: frequency band compliance, required communication range, data rate requirements, power consumption constraints, and protocol compatibility. For example, UHF RFID modules are preferred for long-range asset tracking, while sub-1GHz modules suit low-power, long-distance industrial applications. Environmental factors (e.g., interference sources) and cost-effectiveness should also be evaluated.

8. Industry Trends

Future development focuses on: integration of AI for dynamic spectrum management, adoption of mmWave frequencies for higher bandwidth, miniaturization via System-on-Chip (SoC) designs, and enhanced security protocols for IoT deployments. The convergence of RFID with blockchain for supply chain transparency is also gaining traction.

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