RF Transceiver Modules and Modems

Part Number	Description / PDF	Quantity
P0418 Terasic	RX TXRX MODULE BLUETOOTH TH	0
EHS8 Rel.4 Thales DIS (Formerly Gemalto)	RF TXRX MOD CEL 3G GLOBAL GPS SM	100
HUM-900-PRO-UFL Linx Technologies	RX TXRX MOD ISM < 1GHZ U.FL SMD	112
ENW-89805J1C Panasonic	RX TXRX MOD BLUETOOTH CHIP SMD	0
LTP5902IPC-WHMA1B2#PBF Analog Devices, Inc.	RX TXRX MODULE 802.15.4 MMCX SMD	0
EG95EFB-512-SNND Quectel	DESCRIPTION PLACE HOLDER	0
MIKROE-683 MikroElektronika	RX TXRX MODULE BLUETOOTH SMD	0
TEL0134 DFRobot	A9G GSM/GPRS+GPS MODULE	0
BT860-SA Laird Connectivity	RX TXRX MOD BLUETOOTH CHIP SMD	550
MTXDOT-EU1-A00-100 Multi-Tech Systems, Inc.	RX TXRX MODULE ISM < 1GHZ SMD	0
ENW-F9101A1JF Panasonic	RX TXRX MODULE WIFI CHIP SMD	0
ABBTM-2.4GHZ-T2 Abracon	RX TXRX MOD BLUETOOTH CHIP SMD	372
L96-M33 Quectel	DESCRIPTION PLACE HOLDER	0
RC1701HP-MBUS4 Radiocrafts	RX TXRX MOD ISM < 1GHZ CAST SMD	842
CC3235MODSM2MOBR Texas Instruments	RX TXRX MODULE WIFI CHIP SMD	590
HL8548-G_1103969 Sierra Wireless	RX TXRX MODULE SMD 3G W/GNSS	500
A1101R09C00GM Anaren	RX TXRX MOD ISM < 1GHZ U.FL SMD	0
RN171-I/RM475 Roving Networks / Microchip Technology	RX TXRX MOD WIFI SURFACE MOUNT	120
ESP32-WROOM-32D (8MB) Espressif Systems	RX TXRX MOD WIFI TRACE ANT SMD	1971
XB3-24AUM Digi	RX TRX MOD BLE 802.15.4 U.FL SMD	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.