Datasheet of 5GRV523RM520NGL

Product Overview

The V523 is a cellular wireless communication industrial gateway that utilizes public or private 5G/4G networks to provide long‑range, high‑throughput data transmission services. It is built with a high‑performance industrial‑grade 32‑bit communication processor and an industrial‑grade 5G/4G wireless module (RM520N‑GL), running on an embedded real‑time operating system. The device supports RS485/RS232 serial ports, Ethernet, and Wi‑Fi interfaces, enabling transparent data transfer and routing functions.

This product is widely deployed in M2M applications within the IoT industry, including smart grid, intelligent transportation, smart home, finance, mobile POS, supply chain automation, industrial automation, smart buildings, fire protection, public safety, environmental monitoring, meteorology, digital healthcare, remote sensing, military, space exploration, agriculture, forestry, water conservancy, coal mining, and petrochemicals.

The V523 supports cloud‑based device management and internal network penetration without requiring a public IP address, allowing remote access to intranet applications. A free cloud management environment can be provided upon request.

Key Features

Industrial‑Grade Design

1. High‑performance 32‑bit communication processor
2. High‑performance industrial‑grade 5G/4G module (RM520N‑GL)
3. Metal housing, IP30 protection rating
4. System isolation for industrial control environments
5. Wide power input: DC 7V ~ 48V
6. Industrial temperature range: -40℃ ~ +75℃

Reliability

1. Hardware & software watchdog for system stability
2. Comprehensive anti‑disconnection mechanisms to ensure always‑online operation
3. Reverse‑polarity protection, surge protection
4. ESD and lightning protection

Ease of Use

1. Standard RS232, RS485, Ethernet, and Wi‑Fi interfaces
2. Plug‑and‑play: data transmission after power‑on
3. Flexible operating modes
4. Convenient configuration and maintenance via web/CLI
5. Wall‑mountable design

Rich Functionality

1. Multiple uplink options: 5G/4G, wired Ethernet, Wi‑Fi
2. Dual‑link backup / load balancing (5G/4G + wired or Wi‑Fi)
3. Supports VPN protocols: IPSec, PPTP, L2TP, GRE, OpenVPN
4. GPS/BeiDou positioning with multiple reporting protocols (TCP/UDP/HTTP/MQTT)
5. Built‑in APN database for over 1000 operators – automatic network detection
   

Product Specifications

Parameter	Specifications
Dimensions (mm)	98 × 98 × 36 (±2 mm)
Processor	High‑performance 32‑bit industrial CPU
5G/4G Module	RM520N‑GL (global band support)
5G NR Frequency Bands	n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78, n79
4G LTE Frequency Bands	B1, B2, B3, B4, B5, B7, B8, B12, B13, B14, B17, B18, B19, B20, B25, B26, B28, B29, B30, B32, B34, B38, B39, B40, B41, B42, B43, B46, B48, B66, B71
3G UMTS/HSPA+ Bands	B1, B2, B4, B5, B6, B8, B19
MIMO	NR: DL 4×4 (n1/n2/n3/n7/n25/n38/n40/n41/n48/n66/n77/n78/n79); DL 2×2 (n5/n8/n12/n20/n28/n71); UL 2×2 (n41/n77/n78/n79); UL 2×2 (n41/n77/n78/n79); LTE: DL 2×2
Max Data Rates	5G SA Sub‑6: DL 2.4 Gbps, UL 900 Mbps 5G NSA Sub‑6: DL 2.4 Gbps, UL 900 Mbps LTE: DL 600 Mbps, UL 150 Mbps UMTS: DL 42.2 Mbps, UL 11 Mbps
Wi‑Fi (5.8 GHz)	IEEE 802.11a/an/ac, up to 866 Mbps (2T2R) Tx power: 15 dBm @ HT20 MCS7; 15 dBm @ HT40 MCS7; 13 dBm @ AC40‑MCS9; 13 dBm @ AC80‑MCS9 Rx sensitivity: -65 dBm @ HT20 MCS7; -62 dBm @ HT40 MCS7; -54 dBm @ AC40‑MCS9; -51 dBm @ AC80‑MCS9
Wi‑Fi (2.4 GHz)	IEEE 802.11bgn, up to 300 Mbps (2T2R) Tx power: 15 dBm @ HT40 MCS7; 18 dBm @ 11b CCK; 15 dBm @ 11g OFDM Rx sensitivity: -65 dBm @ 300 Mbps; -73 dBm @ 54 Mbps; -86 dBm @ 11 Mbps
Ethernet	3 × 10/100 Mbps adaptive ports, with LINK LEDs
Serial Ports	Port 1: RS232 (default; TTL optional); Port 2: RS485
Power Input	DC 7‑48V / 2A via 2‑pin (5.08mm pitch) terminal block or 5.5×2.0mm DC jack
Hardware Watchdog	Supported
Antenna Interfaces	Wi‑Fi ×2; 5G/4G ×4; GPS ×1
RESET Button	1 × reset (hold 10s for factory defaults)
LED Indicators	Power (P), System (S), Signal Low (L), Signal High (H) – behavior detailed in original
Terminal Block (8‑pin, 3.5mm)	Includes Serial1 (RX/TX), Serial2 (A/B), 2× GPIO, 3.3V output, GND
Power Consumption	~550 mA @ 12VDC (5G version)
Operating Temperature	-40℃ ~ +75℃
Storage Temperature	-45℃ ~ +85℃
Humidity	5% ~ 95% (non‑condensing)

Interface Definition

1. SIM1 – primary card slot; SIM2 – backup (default use SIM1).

2. RESET – long press 10 seconds to restore factory settings.

3. Power – use either the 2.1mm DC jack or the 2‑pin terminal block (do not connect both simultaneously).

4. 8‑pin Phoenix terminal (3.5mm pitch):

1. G – GND
2. R – Serial1 RS232 RX
3. T – Serial1 RS232 TX
4. B – Serial2 RS485 B
5. A – Serial2 RS485 A
6. 1 – GPIO1
7. 2 – GPIO2
8. – 3.3V output (for external pull‑up)

Software Features

Function	Description
Network Modes	5G/4G, wired Ethernet, Wi‑Fi, bridge, repeater, wireless internet, 5G/4G passthrough; mixed modes (backup/load balancing) for 5G/4G+Ethernet, 5G/4G+Wi‑Fi, Ethernet+Wi‑Fi; composite modes (e.g., 5G/4G+bridge, 5G/4G+wired access, etc.)
NR/LTE Network	Supports multiple dial‑up methods (PPP, NDIS, etc.), IPv6 optional; auto‑operator detection (1000+ APN); custom APN; SIM PIN management; SMS; band lock; SIM lock; module lock; network mode locking (e.g., force 4G/5G)
Network Stability	ICMP and packet‑count detection; configurable retry and reboot thresholds to ensure always‑online
Serial Functions	Transparent mode with configurable frame length, interval, flow control, custom registration/heartbeat packets, prefix/suffix, activation packets; multi‑server/client concurrent operation; multi‑protocol; traffic statistics; Modbus RTU ↔ Modbus TCP conversion; MQTT transparent (with activation packet); command mode with proprietary HE commands; TTL mode supports external GPS/BeiDou with data parsing
Device Stability	Hardware watchdog, independent power rails, software cross‑monitoring, low‑temperature self‑heating, scheduled/on‑idle reboot
High Availability	VRRP failover between multiple units
VPN	L2TP (with tunnel password), PPTP (with MPPE), GRE, OpenVPN (pre‑shared key/cert), IPSec, ZeroTier, WireGuard
GPS/Positioning	NMEA over TCP/UDP (custom header and interval); TCP/UDP NMEA server (multiple client support); MQTT/HTTP JSON upload; JT/T808 protocol
Network Services	Firewall, port forwarding, DMZ, port proxy, domain hijacking, ALG, static/dynamic routing (RIPv1/v2, RIPng, OSPFv2/v3), source/destination‑based routing, DDNS (supporting multiple providers), UPnP, domain redirection, IGMP proxy
Network Monitoring	SNMP (custom OID); Wi‑Fi traffic graphs, client traffic stats and controls, access control, scheduled access, WOL (Wake‑on‑LAN)
Wi‑Fi Management	2.4G hotspot and client modes; black/white list; Tx power adjustment
Time Management	Base station sync, NTP client/server for LAN devices (e.g., cameras without RTC)
Development Interfaces	LAN discovery protocol (UDP), TCP/HTTP control, batch upgrade protocol, remote HTTP control (cloud), device status reporting (signal, uptime, traffic, GPS, client MACs, etc.), Web API for status, IO remote control, MQTT alerting, SSH/Telnet/Serial CLI, online shell script development (startup/shutdown/event‑triggered), scheduled scripts, SMS control
Third‑Party Development	SkinOS – open Linux‑based OS, pure C, supports custom application development; component‑based FPK software packages; unified API and rich components; cross‑platform portability across all SkinOS products
Remote Management	Batch status view, reboot/reset, firmware upgrade; device grouping; client management; intranet penetration (no public IP needed); traffic quota (in development); alarm logs and email notifications (in development); running logs (in development)
Device Management	Backup/restore config, local/online/batch upgrade, FPK install/uninstall, factory reset, Telnet/SSH, serial CLI, LED on/off, GPIO custom I/O, local/remote logging, IO expansion (custom/MQTT control), fail‑safe bootloader, dual‑user interface (normal/admin), lock settings (upgrade, reboot, reset, config import/export), x86/aarch64 management toolkit and OTA tools, batch test tools
Future/Under Development	USSD, TR‑069
Max Concurrent Clients	Wi‑Fi: 20; Wired: 50

Ordering Information

Product Model	Description
5GRV523RM520NGL-5X	5G/4G router with RM520N‑GL module, without GPS
5GRV523RM520NGL-5G	5G/4G router with RM520N‑GL module, with GPS support

Antenna options: suction‑cup or stub antennas available upon request.

Mechanical Dimensions

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