RF Transceiver Modules and Modems

Part Number	Description / PDF	Quantity
EM7565_1103520 Sierra Wireless	RX TXRX MOD 4G LTE-A GLOBAL M.2	0
SC20AUSA-16GB-UGAD Quectel	DESCRIPTION PLACE HOLDER	0
EYSHCNZXZ TAIYO YUDEN	RX TXRX MODULE BT/ANT CHIP SMD	0
453-00014R Laird Connectivity	RX TXRX MODULE WIFI CHIP SMD	0
ESP32-SOLO-1 Espressif Systems	RX TXRX MOD WIFI TRACE ANT SMD	89
LAMBDA-9D RF Solutions	RX TXRX MODULE CHIP THROUGH HOLE	10
CMWX1ZZABZ-078 TOKO / Murata	RX TXRX MODULE ISM < 1GHZ SMD	0
MTXDOT-AS1-A01-100 Multi-Tech Systems, Inc.	RX TXRX MOD ISM<1GHZ TRC 100PK	0
SC20EUSA-8GB-UGAD Quectel	DESCRIPTION PLACE HOLDER	0
ESP32-PICO-V3 Espressif Systems	RX TXRX MOD WIFI SURFACE MOUNT	1903
114990112 Seeed	RX TXRX MOD ISM > 1GHZ CONN MT	11
WF111-A-V1 Silicon Labs	RX TXRX MODULE WIFI CHIP SMD	2290
ADRV9008BBCZ-2 Analog Devices, Inc.	RX TXRX MODULE CELLULAR SMD	17
SC20ESA-16GB-UGAD Quectel	DESCRIPTION PLACE HOLDER	0
PLS62T_W LAN Thales DIS (Formerly Gemalto)	RF TXRX MOD CELL LTE ETH DIN RL	143
EG91NSGA-512-SGNS Quectel	DESCRIPTION PLACE HOLDER	0
XB9XT-DMUS-001 Digi	RX TXRX MOD ISM < 1GHZ U.FL SMD	0
BGX13S22GA-V31 Silicon Labs	RX TXRX MOD BLUETOOTH CHIP SMD	146
K32W041K NXP Semiconductors	K32W041 BLE/ZIGBEE SOC	2450
MM2-LV-T FreeWave Technologies, Inc.	RX TXRX MOD ISM < 1GHZ CHIP CHAS	23

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.