RF Transceiver Modules and Modems

Part Number	Description / PDF	Quantity
BX3105_1104114 Sierra Wireless	MOD 802.11BGN BLUETOOTH W/ANT	427
XS1110 (1104668) Sierra Wireless	XS1110 GNSS MOD GPS+GLONASS	0
HL7650_1103218 Sierra Wireless	RX TXRX MOD CELLULAR 4G SMD AUS	0
HL7802_1104503 Sierra Wireless	HL7802 MODULE LTE CATM AND NBIOT	0
BX3100_1104115 Sierra Wireless	RX TXRX MOD WIFI SURFACE MOUNT	0
MC-WP7610-G_1104342 Sierra Wireless	MC-WP7610-G NAM DATA ONLY	0
XA1110_1104308 Sierra Wireless	XA1110	445
BC127_1104323 Sierra Wireless	RX TXRX MOD BLUETOOTH CHIP SMD	0
WP7504-1G_1104278 Sierra Wireless	RX TXRX MODULE CELL/NAV CAST SMD	0
HL7518_1103262 Sierra Wireless	MOD HL LTE VZW	0
WP7601-G_1104243 Sierra Wireless	RX TXRX MODULE CELL/NAV CAST VZN	0
XP2210 (1104669) Sierra Wireless	XS2210 GNSS MOD GPS+GLONASS	50
1104230 BX3100 Sierra Wireless	RX TXRX MOD WIFI SURFACE MOUNT	1435
MC7411 Q-M2M-1104689 Sierra Wireless	MC7411 GENERIC FW 01.13.02.00 GN	0
HL8518_1103929 Sierra Wireless	RX TXRX MODULE SURFACE MOUNT	0
HL7800-M_1104150 Sierra Wireless	RX TXRX MODULE CELLULAR SMD	0
HL8518_1102589 Sierra Wireless	RX TXRX MOD CELLULAR SMD DUAL EU	0
HL8528_1103959 Sierra Wireless	RX TXRX MODULE SURFACE MOUNT	0
HL8548-G_1102150 Sierra Wireless	RX TXRX MOD CELLULAR 3G AT&T SMD	0
HL7692_1103157 Sierra Wireless	RX TXRX MOD CELLULAR 4G SMD EU	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.