RF Transceiver Modules and Modems

Part Number	Description / PDF	Quantity
XM1210_1104264 Sierra Wireless	XM1210	31
HL7692_1104356 Sierra Wireless	HL7692 DATA ONLY	0
XM1210_1104263 Sierra Wireless	XM1210	967
RC7611-1_1104617 Sierra Wireless	RC7611-1 ATT/VZN DATA	416
HL6528RD-G2.8V_1103839 Sierra Wireless	RX TXRX MODULE CELL SMD GNSS	0
WP7702-G_1103530 Sierra Wireless	RX TXRX CELL 4G LTE CATM1/NB1	133
HL7692_1104070 Sierra Wireless	RX TXRX MOD CELLULAR 4G SMD EU	0
MC7430_1103730 Sierra Wireless	RF TXRX CELL 4G LTE CAT-6 APAC	94
WP7609-1-G_1104196 Sierra Wireless	RX TXRX MODULE CELL CAST IOT SMD	0
XA1210_1104279 Sierra Wireless	XA1210	387
WP7504-G_1103576 Sierra Wireless	RF TXRX 4G AT&T/T-MOBILE	434
MC7430_1102477 Sierra Wireless	RX TXRX MODULE CELL 4G CARD EDGE	0
BC118_1103394 Sierra Wireless	RX TXRX MOD BLUETOOTH CHIP SMD	2
HL8548_1103971 Sierra Wireless	RX TXRX MODULE 3G GLOBAL SMD	15
EM7455_1102623 Sierra Wireless	RX TXRX MOD CELL/NAV 4G CHIP SMD	0
MC7455_1104637 Sierra Wireless	RF TXRX CELLULAR 4G LTE	219
WP7502-G_1103114 Sierra Wireless	RX TRX MOD CEL 4G LTE CAT3 3G 2G	260
WP7601-1-G_1104245 Sierra Wireless	RX TXRX MOD CEL CAST SMD LTE VZW	90
EM7511_1103989 Sierra Wireless	RX TXRX MODULE CELLULAR SMD	42
EM7511_1104268 Sierra Wireless	AIRPRIME EM SERIES LTE MODULE, I	100

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.