Technical specifications


  • Integration into the LTE broadband network with LTE-SIM card (mini SIM)
  • Internet access via UMTS/HSPA+ (3G)
  • 4 x gigabit LAN (10/100/1000 Base T, RJ45 port) for PC, game console, network
  • 1 x gigabit WAN for connections on cable/DSL/fiber optic modems or to the network
  • Wireless access point IEEE 802.11ac, n, g, a for PC, notebook, tablet, smartphone
  • 1 x USB 3.0 port for printers and storage media
  • DECT base station for up to 6 cordless telephones
  • Internal S0 bus to use ISDN phones or telephone systems on an IP-based connection
  • 2 a/b ports for connecting analog telephones, answering machines and fax


  • Category 6 LTE modem (FDD) with up to 300 Mbit/s on the Internet
  • Via UMTS/HSPA (3G) up to 42 Mbit/s
  • Multi-band support: 7 LTE and 2 UMTS frequencies (LTE: bands 1, 3, 7, 8, 20, 28 and 32; UMTS: bands 1 and 8)
  • Option to connect outdoor antennas
  • Integrated DSL modem for all VDSL or DSL lines up to 300 Mbit/s, including 35b supervectoring
  • Supports VDSL Long Reach
  • DSL operation with optional automatic fallback to the mobile network connection
  • Compatible with Annex-J lines from Deutsche Telekom


  • LTE router with firewall/NAT, DHCP server, DynDNS client, UPnP
  • Stateful Packet Inspection Firewall with port sharing for secure web surfing
  • Supports the IPv4 and IPv6 web protocol
  • Secure remote access, LAN-to-LAN linkup and dial-in to the company network with VPN (WireGuard and IPSec)
  • Parental controls with time budget, blacklist and whitelist
  • Remote maintenance via https


  • Wi-Fi 5 (up to 1733 Mbit/s gross, 5 GHz) and 4 (up to 800 Mbit/s gross, 2.4 GHz)
  • With Mesh Wi-Fi you can combine several wireless access points into one intelligent system (FRITZ!OS 6.90 and later).
  • Compatible with Wireless 802.11g and a
  • MU-MIMO receiver technology (Multiple-User Multiple-In-Multiple-Out antenna technology)
  • Secure upon delivery with WPA2 encryption, WPA3/2 transition mode is also available
  • Wi-Fi can be turned on and off via button and connected telephones
  • Wi-Fi Protected Setup (WPS) for safe Wi-Fi connections at the touch of a button or by entering a PIN
  • Wi-Fi guest access – secure surfing for friends and visitors
  • Wi-Fi network range extended via repeater function
  • Wi-Fi auto channel: Automated search for Wi-Fi channel free of interference
  • Green AP mode for optimum performance at minimum power consumption


  • Telephone systems with DECT base station for up to 6 cordless telephones
  • Analog or ISDN landline according to 1TR112/U-R2
  • Voice transmission encrypted ex works
  • ISDN S₀ bus for connecting ISDN telephones/ISDN telephone systems
  • 2 a/b ports for connecting analog telephones, answering machines and fax
  • Supports HD telephony for natural sound
  • DECT Eco: Radio network switches off ergonomically
  • Five integrated answering machines featuring voice-to-mail
  • Manage telephone contacts locally or online (email providers)
  • Fax function including e-mail forwarding (fax-to-mail)
  • Call diversion, internal calls, three-party conferencing, call transfer
  • Call blocks, alarm, baby monitor, VIP calls and Do not Disturb
  • Internet telephony SIP-compliant in accordance with RFC 3261
  • Registration of IP telephones (LAN/Wi-Fi) SIP-compliant
  • FRITZ!App Fon for landline calls via your smartphone

Home network convenience

  • Media server makes music, pictures and videos available to devices in the home network (DLNA, UPnP AV)
  • MyFRITZ!  – access your own FRITZ!Box safely, no matter where you are
  • FRITZ!NAS: memory shared by all data in the home network
  • Platform for networked applications like IP TV, video on demand and media streaming, thanks to the powerful dual-core processor
  • Parental controls, push service, cloud contacts, online storage
  • Wi-Fi guest access – secure surfing for friends and customers
  • Wake on LAN over the Internet
  • Supports devices compliant with DLNA
  • Smart Home features for measuring and switching integrated in the user interface
  • LEDs can be dimmed manually or depending on the brightness in the room


  • "": clearly laid out user interface, for intuitive operation via web browser
  • User interface optimized for smartphones and tablets (responsive design) and available in six languages (DE, EN, ES, FR, IT and PL)
  • Alignment aid for antennas to find the ideal location for the FRITZ!Box
  • Free updates for new functions and security, auto-update upon request
  • Help function with full-text search
  • Handy FRITZ!Apps for your smartphone: MyFRITZ!App for FRITZ! convenience on the go, the clever Wi-Fi helper FRITZ!App WLAN and the FRITZ!App Smart Home for intuitive control of your FRITZ! Smart Home
  • Smart Home features integrated in the user interface
  • Smart Home devices can be switched manually and automatically both in the home network and from the Internet

Package contents

  • FRITZ!Box 6890 LTE
  • External, screw-on mobile radio antennas (SMA)
  • Power adapter with 1.5-meter cable
  • 4-meter long DSL connecting cable
  • 4.25-meter long DSL/Tel connecting cable
  • 1.5 meter LAN cable
  • Quick guide

Device properties

  • Dimensions (W x H x D): 250 x 48 x 185 mm
  • Average power consumption: 9 - 10 W


  • 5-year manufacturer’s warranty for end customers

Article number

  • 20002818