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Operating as the communication gateway for your locomotive and rolling stock, this compact train router is equipped with integrated WiFi. The NB3701+ provides the wireless bandwidth you need for high-speed internet, CCTV security, digital signage and real-time electronic ticketing systems at the same time.

Designed to operate in the harshest environments, the NB3701+ provides security features you’d only expect to find in more expensive devices. With advanced features like port-based subnetting and Quality of Service  (QoS), you can connect multiple devices and control which traffic gets the highest priority.

Based on mature embedded Linux operating system and standard communication protocols, the NB3701+ can be configured remotely via web browser or command line interface. Self-provisioning and configuration are also possible.

The NB3701+ supports all of your communication needs including remote management, condition monitoring, data acquisition and passenger information systems.

  • VPN protocol suite enables secure internet connections
  • Multiple UMTS/LTE modules result in expanded bandwidth
  • Qualified to operate in harsh environments per EN 50155
  • Works over extended temperature range (-40C to +70C)
  • Integrated 5-port Ethernet switch
  • Available with extended input voltage (72V, 96V, 110V)

Powered by ARM

Powerful ARM processor with support for ultra-low-power consumption.

EN50155 M12 Power Input

Reliable plug-in M12 connectors are needed for modern railway environments.

Five M12 Fast Ethernet Ports

EN50155-compliant Fast Ethernet switch offers high bandwidth and low latency.

Rugged TNC Antenna Connectors

TNC connectors provide low noise levels and optimum stability and can withstand the shock and vibration.

Automated Device Management

Configure, backup and recover your configuration with a USB storage drive.

Dual Micro-SIM Card Slots

Geo-fence SIMs for a specific region, or failover based on a specified network threshold.

Digital Inputs / Relay Outputs

Control the digital I/O and RS-232 interfaces from the cloud using wireless connectivity.

Withstand Hostile Environments

Designed to withstand shock, vibration, dust, humidity, ESD and salty fog.

Full Specifications

Base System

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CPU 1.3 GHz dual-core
Memory 1 GB
Storage 4 GB
Modules 4 Slots

Ethernet

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Interface 5 x FastEthernet
Standard 100Base-TX, Auto MDIX
Speed 10 / 100 Mbps
Connector 5x M12 D-coded female

Power

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Input Voltages 12 VDC , 24 VDC , 48 VDC
Extended Voltages 72 VDC , 96 VDC , 110 VDC
Power (Avg/Max) - , 15 W
Connector 1 x M12 A-coded male

Mobile / Cellular

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Interfaces (Max) 2
Specification LTE Cat 4, 2x2 MIMO
DL 150 Mbps / UL 50 Mbps
Voice CSFB
Connector 4 x TNC female
SIMs 2 x Mini SIM - 2FF
Module u-blox, Sierra Wireless
Bands - 4G B1 (2100) , B3 (1800) , B5 (850) , B7 (2600) , B28 (700 APAC) , B40 (TD 2300)
Bands - 3G B1 (2100) , B5 (850) , B8 (900)

WiFi / WLAN

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Interfaces (Max) 2
Standard IEEE 802.11a/b/g/n/ac
Dual-band 2.4/5 GHz
2x2 MIMO
Bit Rate 300 Mbps 2.4 GHz
866 Mbps 5 GHz
Modes Client , Access Point , Mesh
Connector 4 x TNC female

Positioning

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Receiver BeiDou , Galileo , GLONASS , GPS/QZSS , Dead Reckoning
Sensitivity Up to -167 dBm, up to 2.5m CEP
Antennas Active, Passive
Connector 1 x TNC female

USB Interface

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Standard USB 2.0
Connector 1 x Type A
Function Storage , RS-485 adapter , RS232 adapter , Ethernet adapter , CAN adapter

GPIO

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Interface 2x Digital In
2x Digital Out
Digital In Level 0 (0-5 VDC)
Level 1 (7.2-40 VDC),
Isolation 1500 VDC
Digital Out 0-60 VDC/1A,
Isolation 1500 VDC
Connector 1 x M12 A-coded female

Serial / Fieldbus

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Interface RS-232
Connector 1 x M12 A-coded female

Physical

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Mounting Surface Mount
Dimensions (W x H x D) 190 mm, 85 mm, 104 mm
Weight 1400 g
Operating Temperature -40 °C to +70 °C EN 50155 class OT4/ST0
Ingress Protection IP40

Software Updates

Quarterly software updates to keep your device running smoothly and securely.

Mobile IP

Transparent roaming over wireless networks, staying connected regardless of location or movement.

Dedicated Bearers

Dedicate resources and QoS to give priority to defined types of network traffic.

Linux containers

Run applications and tools natively on the device in an isolated Linux environment.

Remotely management

Remotely manage and monitor devices with SNMP, LwM2M, Telnet, SSH, or HTTP/HTTPS.

Zero-touch provisioning

Provision new devices in your network automatically, with minimal manual intervention.

Multiple-PDN

Seperate your network traffic into different PDN’s

IoT devices

Support for a range of popular protocols powering IoT devices, apps and applications.

Full Specifications

General

Fail-safe update (FOTA)
Upgrade via USB
Upgrade via HTTP(S)
Upgrade via (S)FTP
Upgrade via TFTP
Remote CLI & WebGUI
RADIUS Authentication
Simple Certificate Enrollment Protocol (SCEP)
Logging

Cellular Networking

Multi-SIM / Soft-SIM support
Multi-APN support
Signal strength monitoring
Dedicated Bearers
ISDN Calls

Wireless LAN / Wi-Fi

Client or Access Point mode
Multi client support
Multi / hidden SSID
WPA-PSK/WPA2-PSK
WPA-RADIUS
WPA-EAP-TLS
IEEE 802.11w
RADIUS Accounting
CAPWAP

USB

Hotplug support
USB Flash storage
USB to Serial Adapter
Ethernet to Serial Adapter

Link Management

Link Prioritisation
Link Aggregation
Load Balancing
Multipath-TCP
IP-Passthrough
Link Supervision

Firewall

Stateful firewall
Connection tracking
NAPT
Masquerading
Bridge filtering

VPN

OpenVPN
IPsec
PPTP
GRE
CSD Dial-In

Routing

Destination
Policy
Multipath
Mobile-IP
OSPF
BGP
TCP-MSS Clamping
STP/RSTP
Bridging
LLDP
CDP
SONMP
EDP
FDP
IRDP
VRRP
VLAN
PPPoE

Quality of Service

Multi Bearer PDN
SFQ
HTB
GRE
Priority-based Queuing

Programmability

Linux Container (LXC)
SDK for custom application

Network Services

DHCP Client
DNS server
Email
SMS service
NTP Client
NTP Server
DynDNS
SSH server
SNMP Agent
HTTP/HTTPS/FTP server
Voice Gateway
SIP Call Routing
Coovachilli Hotspot

GPS / GGSN

Standalone
MS-assisted
GPS server
Raw/JSON support

Troubleshooting

ping
traceroute
tcpdump
speed-test
darkstat
NB3701-2WacNB3701 Baseline Router + 2xWLAN-ac
NB3701-L-GNB3701 Baseline Router + 1xLTE + GPS
NB3701-LWac-GNB3701 Baseline Router + 1xLTE + 1xWLAN-ac + GPS
NB3701-WacNB3701 Baseline Router + 1xWLAN-ac

Stocked Items

AVVERO has many models in stock and ready to ship to you today. We endeavour to keep as much stock as possible of commonly ordered items and to maintain possibly the shortest lead times

Custom Products

We can incorporate custom features into our standard products such as Audio, CAN-Bus, IBIS, RS242/485, etc.

Projects

Let us know your custom needs and our engineers will work with you through the entire process and consult your project before, during, and after.

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