RF Transceiver Modules and Modems

Part Number	Description / PDF	Quantity
LTP5901IPC-IPRB1C1#PBF Analog Devices, Inc.	RX TXRX MODULE 802.15.4 CHIP SMD	25
NL-SW-LTE-S7588-V NimbeLink	EMBEDDED CELLULAR MODEM VERIZON	0
ESP-WROOM-02D (2MB) Espressif Systems	RX TXRX MOD WIFI TRACE ANT SMD	3573
MDBT50Q-P1MV2 Raytac	NORDIC 52840 PCB ANTENNA MODULE	50
ZM5304AH-CME3R Silicon Labs	RX TXRX MODULE ISM < 1GHZ SMD	345
ETRX357HR-LRS-R8 Silicon Labs	RX TXRX MODULE SURFACE MOUNT	0
GT-534 ICP DAS USA Inc.	INTELLIGENT SMS / GSM ALARM CONT	30
MTQ-EV3-B01-N2-SP Multi-Tech Systems, Inc.	RX TXRX MOD CELL U.FL CHAS MNT	0
SC20WLSA-4GB-UNN Quectel	DESCRIPTION PLACE HOLDER	0
EG21GGB-128-SGNS Quectel	DESCRIPTION PLACE HOLDER	0
EM357-MOD-RF-C Silicon Labs	RX TXRX MODULE 802.15.4 CONN MT	3
ENW-89848A1KF Panasonic	RX TXRX MODULE BLUETOOTH SMD	285
MGM12P22F1024GA-V4R Silicon Labs	RX TXRX MOD BLUETOOTH CHIP SMD	0
CC3235MODSF12MOBR Texas Instruments	RX TXRX MODULE WIFI CHIP SMD	0
MM2-P-T FreeWave Technologies, Inc.	RX TXRX MOD ISM < 1GHZ CHAS MNT	15
WT41U-A-AI56 Silicon Labs	RX TXRX MOD BLUETOOTH CHIP SMD	854
MTXDOT-NA1-A00-1 Multi-Tech Systems, Inc.	RX TXRX MODULE ISM < 1GHZ SMD	562
LISA-U200-01S u-blox	RX TXRX MOD CELLULAR 6-BAND SMD	450
SX1272RF1BAS Semtech	RX TXRX MOD ISM < 1GHZ U.FL TH	1
ATZB-RF-212B-0-CN Roving Networks / Microchip Technology	RX TXRX MODULE 802.15.4 CHIP SMD	24

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.