Datasheet of 5GRV820RM520NGL
roduct Overview
The V820 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 4‑core communication processor (1.3 GHz) and an industrial‑grade 5G/4G wireless module (RM520N‑GL), running on an embedded real‑time operating system. The device supports RS232/RS485 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 V820 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
- High‑performance 4‑core communication processor (1.3 GHz)
- High‑performance industrial‑grade 5G/4G module (RM520N‑GL)
- Metal housing, IP30 protection rating
- System isolation for industrial control environments
- Wide power input: DC 9V ~ 48V
- Industrial temperature range: -40℃ ~ +75℃
Reliability
- Hardware & software watchdog for system stability
- Comprehensive anti‑disconnection mechanisms to ensure always‑online operation
- Reverse‑polarity protection, surge protection
- ESD and lightning protection
Ease of Use
- Standard RS232, RS485, Ethernet, and Wi‑Fi interfaces
- Plug‑and‑play: data transmission after power‑on
- Flexible operating modes
- Convenient configuration and maintenance via web/CLI
- Wall‑mountable design
Rich Functionality
- Multiple uplink options: 5G/4G, wired Ethernet, Wi‑Fi
- Dual‑link backup / load balancing (5G/4G + wired or Wi‑Fi)
- Supports VPN protocols: IPSec, PPTP, L2TP, GRE, OpenVPN
- GPS/BeiDou positioning with multiple reporting protocols (TCP/UDP/HTTP/MQTT)
- Built‑in APN database for over 1000 operators – automatic network detection
Product Specifications
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Parameter
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Specifications
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Dimensions (mm)
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152.8 × 103.5 × 47.6 (mm)
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Processor
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High‑performance 4‑core, 1.3 GHz; 2 Gbit RAM (expandable to 4 Gbit), 2 Gbit Flash (expandable to 4 Gbit)
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5G/4G Module
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RM520N‑GL (global band support)
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5G NR Frequency Bands
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n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78, n79
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4G LTE Frequency Bands
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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
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3G UMTS/HSPA+ Bands
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B1, B2, B4, B5, B6, B8, B19
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MIMO
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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
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Max Data Rates
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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
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Wi‑Fi (5.8 GHz)
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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
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Wi‑Fi (2.4 GHz)
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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
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Ethernet
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8 × 10/100/1000 Mbps adaptive ports
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Serial Ports
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RS232 × 1; RS485 × 1
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GPIO
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2 × GPIO (via Phoenix terminal)
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Power Input
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DC 9‑48V / 2A via 2‑pin (5.08mm pitch) terminal block
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Hardware Watchdog
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Supported
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Antenna Interfaces
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Wi‑Fi × 3; 5G/4G × 4; GPS × 1 (optional)
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RESET Button
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1 × reset (hold 10s for factory defaults)
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SIM Slots
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2 × drawer‑type SIM slots / eSIM (optional)
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LED Indicators
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Power (P), System (S), Signal Low (L), Signal High (H) – behavior detailed in original
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Terminal Block (8‑pin, 3.5mm)
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Includes Serial1 (RX/TX), Serial2 (A/B), 2× GPIO, 3.3V output, GND
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Power Consumption
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~350 mA @ 12VDC (5G version)
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Operating Temperature
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-40℃ ~ +75℃
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Storage Temperature
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-45℃ ~ +85℃
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Humidity
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5% ~ 95% (non‑condensing)
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Software Features
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Function
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Description
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Network Modes
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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.)
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NR/LTE Network
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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)
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Network Stability
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ICMP and packet‑count detection; configurable retry and reboot thresholds to ensure always‑online
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Serial Functions
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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
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Device Stability
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Hardware watchdog, independent power rails, software cross‑monitoring, low‑temperature self‑heating, scheduled/on‑idle reboot
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High Availability
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VRRP failover between multiple units
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VPN
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L2TP (with tunnel password), PPTP (with MPPE), GRE, OpenVPN (pre‑shared key/cert), IPSec, ZeroTier, WireGuard
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GPS/Positioning
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NMEA over TCP/UDP (custom header and interval); TCP/UDP NMEA server (multiple client support); MQTT/HTTP JSON upload; JT/T808 protocol
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Network Services
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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
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Network Monitoring
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SNMP (custom OID); Wi‑Fi traffic graphs, client traffic stats and controls, access control, scheduled access, WOL (Wake‑on‑LAN)
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Wi‑Fi Management
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2.4G hotspot and client modes; black/white list; Tx power adjustment
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Time Management
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Base station sync, NTP client/server for LAN devices (e.g., cameras without RTC)
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Development Interfaces
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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
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Third‑Party Development
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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
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Remote Management
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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)
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Device Management
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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
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Future/Under Development
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USSD, TR‑069
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Max Concurrent Clients
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Wi‑Fi: 20; Wired: 50
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Ordering Information
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Product Model
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Description
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5GRV820RM520NGL-5X
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5G/4G router with RM520N‑GL module, without GPS
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5GRV820RM520NGL-5G
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5G/4G router with RM520N‑GL module, with GPS support
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Antenna options: suction‑cup or stub antennas available upon request.
Mechanical Dimensions
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