RF Transceiver Modules and Modems

Image	Part Number	Description / PDF	Quantity	Rfq
	XB24-Z7WIT-001 Digi	RX TXRX MOD 802.15.4 WIRE ANT TH	0
	X24-019WNT Digi	RX TXRX MOD ISM > 1GHZ WIRE ANT	0
	XBP24BZ7SIT-I097 Digi	RX TXRX MODULE THROUGH HOLE	0
	DC-WEM-02T-NS-25 Digi	RX TXRX MODULE WIFI RP-SMA SMD	0
	X09-009NSC-TX Digi	RX TRX MOD ISM < 1GHZ RP-SMA SMD	0
	X09-019WNI Digi	RX TXRX MOD ISM < 1GHZ WIRE ANT	0
	XBP09-DMUIT-156J Digi	RX TXRX MOD ISM < 1GHZ U.FL TH	0
	XBP24BZ7WIT-002J Digi	RX TXRX MOD 802.15.4 WIRE ANT TH	0
	XBP24BZ7SIT-002J Digi	RX TXRX MOD 802.15.4 RP-SMA TH	0
	DC-WME-01T-TAG Digi	RX TXRX MODULE WIFI RP-SMA TH	0
	X24-019NMT Digi	RX TXRX MOD ISM > 1GHZ MMCX SMD	0
	CC-WMX-PE47-TM Digi	RX TXRX MOD WIFI U.FL CARD EDGE	0
	DC-WEM-9210-CA Digi	RX TXRX MODULE CHASSIS MOUNT	0
	XBP24BZ7UIT-003J Digi	RX TXRX MODULE 802.15.4 U.FL TH	0
	XBP09-DPUIT-156J Digi	RX TXRX MOD ISM < 1GHZ U.FL TH	0
	CC-W9P-V524-S-B Digi	RX TXRX MOD WIFI U.FL CHAS MNT	0
	XB24-API-070 Digi	RF TXRX MODULE XBEE24 802.15.4 A	0
	DC-WEM-02T-CA Digi	MODULE WI-EM	0
	XBP09-XCSIT-009 Digi	RX TXRX MOD ISM < 1GHZ RP-SMA TH	0
	XB24-Z7WIT-005 Digi	RX TXRX MOD 802.15.4 WIRE 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

Type	Functionality	Application Examples
Sub-1GHz RF Modules	Long-range, low-power communication	Smart meters, wireless sensors
2.4GHz RF Modules	High-speed, short-range communication	Bluetooth, Zigbee devices
UHF RFID Modules	Ultra-High Frequency identification	Supply chain tracking, retail inventory
HF RFID Modules	High-Frequency contactless communication	Access 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

Parameter	Description	Importance
Frequency Range	Operational bandwidth (e.g., 868-915MHz)	Determines regulatory compliance and interference resistance
Transmit Power	Output power (e.g., 0-20dBm)	Affects communication range and signal penetration
Receiver Sensitivity	Minimum detectable signal (e.g., -120dBm)	Impacts link reliability in noisy environments
Data Rate	Transmission speed (e.g., 2Mbps)	Dictates real-time data throughput
Protocol Support	Standards compatibility	Ensures 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

Manufacturer	Representative Product	Key Features
Texas Instruments	CC2652R	Multi-protocol 2.4GHz SoC for Zigbee/Thread
Nordic Semiconductor	nRF52840	Bluetooth 5.2 and Thread support
Impinj	R420	UHF RFID reader for retail and supply chain
STMicroelectronics	S2-LP	Sub-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.