RF Transceiver Modules and Modems

Image Part Number Description / PDF Quantity Rfq
113990635

113990635

Seeed

RX TXRX MOD WIFI TRACE ANT SMD

7

113990417

113990417

Seeed

RX TXRX MOD WIFI TRACE ANT SMD

0

113060026

113060026

Seeed

RX TXRX MOD U.FL CHASSIS MOUNT

25

317060016

317060016

Seeed

RX TXRX MODULE WIFI TRACE ANT TH

14

113990856

113990856

Seeed

QUECTEL EM06-E LTE CAT 6 M.2 MOD

0

114992158

114992158

Seeed

DRAGINO LORA CONTROLLER EU868MHZ

0

102990965

102990965

Seeed

RX TXRX MODULE WIFI CARD EDGE

15

113990854

113990854

Seeed

QUECTEL EM06-A LTE CAT 6 M.2 MOD

19

317990687

317990687

Seeed

LORA-E5 STM32WLE5JC MODULE, EMBE

0

114992159

114992159

Seeed

DRAGINO LORA CONTROLLER AU915MHZ

0

113990634

113990634

Seeed

RX TXRX MOD WIFI TRC ANT CHAS MT

7

113990582

113990582

Seeed

RX TRX MOD BLE 802.15.4 CHIP SMD

0

113990576

113990576

Seeed

RX TXRX MOD WIFI STAMPED MET SMD

5

113050002

113050002

Seeed

RX TXRX MOD ISM<1GHZ WIRE ANT TH

0

114990112

114990112

Seeed

RX TXRX MOD ISM > 1GHZ CONN MT

11

113050013

113050013

Seeed

RX TXRX MODULE BT TRC ANT TH

0

317060162

317060162

Seeed

RX TXRX MOD WIFI SURFACE MOUNT

0

113990584

113990584

Seeed

RX TRX MOD BLE 802.15.4 U.FL SMD

0

113990416

113990416

Seeed

RX TXRX MOD WIFI TRACE+U.FL SMD

0

113990583

113990583

Seeed

RX TXRX MOD 802.15.4 TRC ANT BLE

117

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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