RF Transceiver Modules and Modems

Image Part Number Description / PDF Quantity Rfq
113990106

113990106

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RX TXRX MOD BLE/ANT TRC ANT SMD

0

317990015

317990015

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RX TXRX MODULE 802.15.4 TH

0

109990021

109990021

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RX TXRX MODULE ISM < 1GHZ SMD

0

113990054

113990054

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RX TXRX MOD U.FL SURFACE MOUNT

0

317060010

317060010

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RX TXRX MOD WIFI SURFACE MOUNT

0

317030002

317030002

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RX TXRX MODULE BT TRC ANT SMD

0

114990085

114990085

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RX TXRX MODULE WIFI THROUGH HOLE

0

113990053

113990053

Seeed

RX TXRX MOD U.FL SURFACE MOUNT

0

317060011

317060011

Seeed

RX TXRX MOD WIFI TRACE ANT SMD

0

317030015

317030015

Seeed

RX TXRX MODULE BLE TRC ANT SMD

0

109990050

109990050

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RX TXRX MOD 802.15.4 WHIP ANT 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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