Quectel 5G Module – M.2 B-Key, PCIe/USB, GNSS

Overview

Unlock reliable 5G connectivity for AIoT and embedded systems with the RM520N 5G module. Featuring support for 5G NR, LTE, WCDMA, and multi-mode GNSS, it delivers high-speed, low-latency performance in compact M.2 B-Key form.

Perfect for developers building smart gateways, vision AI devices, robotics, and high-throughput edge systems.

      Key Features

• Global 5G Support – SA/NSA dual-mode, Sub-6GHz bands

• Industrial-Grade Design – -40°C to +85°C, 30 × 52 mm M.2 form

• PCIe 3.0 x4 + USB 3.1 Gen2 – High-bandwidth flexible host interfaces

• Integrated GNSS – Supports GPS, GLONASS, BeiDou, Galileo, QZSS (L1+L5)

• HPUE Enhancement – Class 2, 26dBm for improved signal coverage

• Dual SIM – Supports hot-swap via AT commands

• 4×4 MIMO – Maximum throughput with carrier aggregation

Technical Specifications

Module Variants & Frequency Bands

Model	5G NR Bands	LTE Bands	HPUE Bands	GNSS
RM520N-GL	n1/n3/n5/n7/n28/n38/n40/n41/n77/n78/n79	B1/B3/B5/B7/B8/B20/B28/B38/B40/B41	n38/n41/n77/n78/n79	L1+L5 (reserved)
RM520N-EU	n1/n3/n7/n28/n41/n77/n78	B1/B3/B7/B8/B20/B28/B41	n41/n77/n78	L1+L5
RM520N-CN	n41/n78/n79	B1/B3/B5/B8/B41	n41/n78/n79	L1+L5

RF Performance

Network	Bands	DL Speed	UL Speed	MIMO
5G NR	n41/n78	2.5 Gbps	900 Mbps	4×4
LTE	B41 (5CA)	2 Gbps	200 Mbps	4×4

Interface (M.2 Key B)

Type	Details
PCIe 3.0 x4	Up to 32 Gbps, supports NVMe
USB 3.1 Gen2	10 Gbps, UVC supported, backward compatible
(U)SIM	Dual SIM (single standby), hot swap supported via AT+QSIMDET

Electrical & Mechanical Specs

Parameter	Specification
Supply Voltage	3.135V – 4.4V (Typ. 3.7V)
5G Peak Power	3.5A @ 3.7V
LTE Peak Power	2.0A @ 3.7V
Operating Temp	-40°C ~ +85°C
Storage Temp	-40°C ~ +90°C
ESD Protection	±5kV (contact), ±10kV (air)
Dimensions	30 × 52 × 2.3 mm

      Applications

• Edge AI Cameras

• Industrial Gateways

• Robotics & Drones

• Smart City Terminals

• AIoT Deployments

• Vision Computing Nodes