ZYXEL NR5103 5G Router & Modification Services


82 in stock (can be backordered)

ZYXEL NR5103 5G Router Modification Service

SKU: MOD-SER-ZYXEL-NR5103 Categories: ,


ZYXEL NR5103 5G Router & Modification Services

Purchasing options:

WIFI Modification – Converts the internal WIFI antennas for external antenna use providing you with 2x SMA WIFI antenna ports.

  • Router Options:
    • Without Modifications selected – Includes a new, unused unlocked router that will be unmodified.
    • With Modifications selected – Includes a new, unused unlocked router that will be modified to your selected modifications.
    • Send your router – Requires you to send us your router for modification.

Full Mod – Provides 2x 4G SMA ports and 2x 5G N77/N78/N79 SMA Ports.


Please Note – All modifications (4G/5G & WIFI) removes and replaces all internal antennas for SMA external antenna ports. The internal antennas will no longer function. The router will be reliant on the new SMA ports for connectivity.

Router Modification Service

This Purchasing option is used to purchase our fantastic, well known and loved router antenna modification service.

This requires you to send your router to use for modification.

Modification Service Process:

Once you have completed the checkout process, please dispatch your router to the address within you purchase receipt (received via email) and provide us with the tracking information via email.

More details about the modification:

  • Please look in our “FAQ” section for our more frequently asked questions.
  • For more information and what this modification can, do take a look at our  “Modification Info” page.
  • Download and read our “Modification User Manual” in the download tab below

More Tools & Information:

Need help getting up an running?. Don’t forget Router-Mods offer an onsite installation service. Click here for more information.

Download our advance guides for more in-dept details for everything you need to know for the perfect installation.

Don’t forget to take a look at our “installation prep” free guide.

If you have any further questions, please contact us.

Additional information

Weight 1.99 kg
Dimensions 13.25 × 13.4 × 23.0 cm
4G/5G Mod Type

Full Mod, No Mod


Yes, No


Send Us Your Router, Buy Router From Us

Router Features


5G NR Indoor Router


The Zyxel NR5103 5G NR Indoor Router supports the latest 5G NR technology while at the same time remaining the full compatibility with 4G networks. The NR5103 is ideal for 5G NR FWA deployment. Certified with WiFi 6 and EasyMesh R2, the NR5103 allows service providers to deliver premium broadband services across customers’ homes or workplaces.


  • 5G NR, DL 4.67 Gbps
  • NSA & SA modes
  • WiFi 6 (11ax)
  • DL 4×4 MIMO
  • WiFi 6 and EasyMesh R2 certified
  • Remote management
  • FOTA
  • Zyxel mobile app
NR5103, 5G NR Indoor Router

Lightning-fast internet connectivity

The Zyxel NR5103 supports 5G NR DL speeds of 4.67 Gbps* and 4G LTE DL speeds of up to 1.6 Gbps*. Wide-spectrum bandwidth accelerates internet speed and reduces network latency for premium and time-sensitive mobile broadband services.

WiFi 6 (11ax) technology for superior performance and coverage with WiFi 6 and EasyMesh R2 certification

Compliant with the latest WiFi 6 (802.11ax) standard, the Zyxel NR5103 offers speeds of up to 3.6 Gbps with 4×4 UL/DL MU-MIMO. With the uplink MU-MIMO, Orthogonal Frequency Division Multiple Access (OFDMA), and beamforming technologies, the NR5103 delivers premium speed for multi-streaming data access. Along with the WiFi 6 and EasyMesh R2 certification, the NR5103 empowers service providers to deliver an optimal WiFi experience without dead zones.

Strengthen your competitive edge with Fixed Wireless Access (FWA)

Deploying NR5103 as part of FWA allows you to extend your 4G/5G service coverage into subscribers’ homes and workplaces without extra wire infrastructure. This secures the TCOs and increases business revenue by supporting a larger number of subscribers with a premium fixed-grade connection.

SA/NSA dual-mode compliant

The Standalone (SA) and Non-Standalone (NSA) compliant architecture of NR5103 improves your operational efficiency during 5G migration, accelerating your 5G service rollouts.

Remote management and upgrade

Through the 4G/5G radio interface, the NR5103 supports TR-069, and remote GUI to be fully configurable. Firmware Over-The-Air (FOTA) support enables remote firmware upgrades and troubleshooting through events triggered by the operators.

Easy network setup and management with Zyxel Air

The NR5103 comes with a subscriber app – Zyxel Air. The intuitive user interface of Zyxel Air provides your customers with the necessary assistance from device setup to routine management, minimizing service calls while enhancing user satisfaction.

Router Specifications

System specifications
IP networking
• Supports IPv4/IPv6 dual stack (NDP
• DHCP server
• Virtual Private Network (VPN) passthrough
• Supports NAT/NAPT
• Supports DMZ
• Multiple APNs
• Supports port forwarding
• Supports ALG
• Supports bridge and router modes
• Supports dynamic DNS for first APN
• Supports remote management under
bridge mode
• Static/dynamic routing settings for
RIP v1/v2
IP firewall
• DoS attack detection
• Supports SPI
• Application-level firewall (LAN to
WAN such as HTTP, Telnet, Ping)
• Filters LAN MAC address
• Filters LAN IP address
• Filters URLs
• Supports local/remote device
management and firmware upgrade
via TR-069 and web GUI
• SMS management
• PIN/PUK management
• APN management
• Operating frequency band selection
• CLI/SSH (local and remote SSH
• Supports UPnP IGD
• Supports web server API to support
• Supports Zyxel Air app (iOS and
Android) for easy installation and
local management only
WLAN feature
• Auto channel selection
• WiFi Protected Setup (WPS)
• WiFi Multimedia (WMM)
• WiFi-enabled devices: up to 64
• Security: none, WPA2-Personal,
• MAC address filtering with 64
address supported
• Multiple SSIDs/hide SSIDs
• WLAN scheduling

Modification Video


ZYXEL NR5103 5G Router – Spec Sheet

ZYXEL NR1503 5G – Modification User Manual

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