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TP-Link TL-MR3420 | 300Mbps Wireless N | USB 3G 4G Modem Sharing | 4 LAN Ports
Turns one mobile-data dongle into a home or office hotspot, with automatic fallback when fibre drops.
Condition: New
Note: price and availability are subject to change without prior notice
TP-Link TL-MR3420 is a 300Mbps Wireless N router with a USB 2.0 port for 3G and 4G modems, in stock at Mascom International, priced at KSh 4,500 and brand new and sealed. Plug a USB internet dongle into the TP-Link TL-MR3420 and it shares that connection over Wi-Fi and four wired LAN ports. It also has a WAN port for fibre or cable internet. The router has no SIM card slot, so it needs a separate USB modem for mobile data. Find it at our shop in the Old Mutual Building on Kimathi Street, Nairobi CBD.
Designed for small offices, shops, home users and field teams, the TP-Link TL-MR3420 handles the moment one dongle has to serve a whole room. Plenty of Kenyans pay for Safaricom or Airtel data on a USB modem that only works in one laptop. Everyone else in the office borrows hotspots from phones, draining batteries and bundles. The TP-Link TL-MR3420 solves that by turning the dongle into shared Wi-Fi for phones, laptops and printers. When a fibre line goes down, it can switch to the USB modem automatically, so M-Pesa till payments and email keep working.
Where most Nairobi electronics shops push expensive SIM routers to every buyer, Mascom International starts with what you already own. If you have a working dongle, the TP-Link TL-MR3420 is the cheaper way to share it. Buyers throughout Kenya report using it as a backup line in pharmacies, cyber cafés and small clinics from Nakuru to Kisumu. At Mascom International, we're seeing it sold most to businesses that cannot afford a single hour offline. Bring your dongle to our Kimathi Street store to test it in the router before you pay, or order on WhatsApp for pay-on-arrival delivery.
Common Questions About the TP-Link TL-MR3420
How much is the TP-Link TL-MR3420 router in Kenya?
The TP-Link TL-MR3420 costs KSh 4,500 at Mascom International in Nairobi CBD, brand new and sealed. That price covers the router, two antennas, the power adapter and an Ethernet cable. It also includes a 12-month warranty handled at our Kimathi Street service desk, plus pay-on-arrival delivery to all 47 counties. The USB modem is not included, so budget for one if you do not already own a compatible Safaricom, Airtel or Telkom dongle.
Does the TP-Link TL-MR3420 have a SIM card slot?
No, the TP-Link TL-MR3420 has no SIM card slot. It takes mobile internet through a USB 3G or 4G modem plugged into its USB 2.0 port. The modem holds the SIM card, and the router shares that connection over Wi-Fi and four LAN ports. If you want to insert a SIM directly without a dongle, a SIM-based 4G router is the better choice. If you already own a dongle, this router puts it to work for everyone. Keep the dongle's data bundle topped up through M-Pesa, and every connected device shares it.
How does the TP-Link TL-MR3420 compare with the TP-Link TL-MR6400?
The TP-Link TL-MR3420 shares a USB dongle, while the TP-Link TL-MR6400 has a 4G modem and SIM slot built in. Both are sold at Mascom International. The MR6400 is simpler for buyers starting from scratch, since only a SIM card is needed. The TL-MR3420 suits buyers who already own a dongle or want a fibre line with automatic mobile backup. Choose the MR6400 for a single 4G connection with no extra hardware, and the TL-MR3420 for flexibility between wired and mobile internet. Our team can walk you through both at the counter.
Can the TP-Link TL-MR3420 switch to 4G automatically when fibre goes down?
Yes, the TP-Link TL-MR3420 supports 3G/4G backup, switching between a wired WAN connection and a USB modem. Connect your fibre or cable line to the WAN port and keep a dongle in the USB port. If the wired line drops, the router moves traffic to mobile data so staff stay online. For a shop in Westlands taking card and M-Pesa payments, that backup can save a full afternoon of lost sales during a fibre outage.
Which USB modems work with the TP-Link TL-MR3420 in Kenya?
The TP-Link TL-MR3420 supports LTE, HSPA+, HSUPA, HSDPA, UMTS and EVDO USB modems on hardware version 2.0 and above. That covers most 3G and 4G dongles sold by Safaricom, Airtel Kenya and Telkom. Compatibility still varies by modem model and firmware, so TP-Link keeps a modem compatibility list on its website. The safest route is to bring your dongle to our Nairobi CBD store, where we test it in the router before you pay.
How does the TP-Link TL-MR3420 handle KPLC power cuts?
The TP-Link TL-MR3420 runs on a 9V, 0.85A external adapter, drawing under 8 watts at most. That low draw means a small router UPS keeps it and the dongle online through most KPLC power cuts. Without backup power, the router restarts by itself once electricity returns and reconnects without any setup. Offices in Kenya that lose power often should pair it with a mini UPS, so card machines and laptops on battery stay connected.
How fast is the TP-Link TL-MR3420 and how far does its Wi-Fi reach?
The TP-Link TL-MR3420 offers Wireless N speeds up to 300Mbps on the 2.4GHz band through two 5 dBi antennas. The 2.4GHz band travels well through walls, which suits an apartment or small office. Its LAN and WAN ports run at 10/100Mbps, so fibre plans above 100Mbps will be capped by the router. For a typical dongle connection, that headroom is ample. Real speed depends on your mobile signal, so place the dongle near a window.
Who should buy the TP-Link TL-MR3420 and who should skip it?
The TP-Link TL-MR3420 suits small offices, shops and homes that own a USB dongle or want mobile backup for fibre. It is a good fit for a chemist in Eldoret or a cyber café needing cheap failover. Skip it if you have no dongle and want the simplest setup, since a SIM router like the TL-MR6400 is easier. Homes on fast fibre needing dual-band Wi-Fi should pick a newer dual-band router instead.
Technical Specifications
Wireless Performance
- Wireless N speeds up to 300Mbps on 2.4GHz — enough to share a dongle connection with phones, laptops and TVs at once.
- IEEE 802.11b, 802.11g and 802.11n standards — connects older laptops and new phones alike, with no device left out.
- Two 5 dBi omni-directional antennas — "omni-directional" means the signal spreads in every direction, covering a room evenly from the centre.
- Wireless on/off switch — turn Wi-Fi off at night or while travelling without unplugging the router or the modem.
- WPS button — press it, then press WPS on a printer or laptop, and they pair without typing the password.
3G and 4G Modem Support
- USB 2.0 port for LTE, HSPA+, HSUPA, HSDPA, UMTS and EVDO modems — accepts most 3G and 4G dongles on the market.
- 4G LTE modem support on hardware version 2.0 and above — current stock connects to modern 4G dongles from Kenyan networks.
- 3G/4G backup between WAN and USB — if fibre or cable drops, the router moves your connection to mobile data automatically.
- TP-Link modem compatibility list — published online, so you can check your exact dongle model before buying.
- No built-in SIM slot — the SIM card stays inside your USB modem, and the router shares its connection.
Wired Ports and Network Features
- One 10/100Mbps WAN port — connects to a fibre ONT, cable modem or another router for wired internet.
- Four 10/100Mbps LAN ports with auto-MDI/MDIX — wire up desktops, printers or a CCTV recorder; any Ethernet cable type works.
- NAT and SPI firewall with DoS and SYN flood protection — blocks common attacks from the internet before they reach your devices.
- MAC, IP, URL and application filtering plus parental controls — limit which sites children or staff can open during set hours.
- Per-device bandwidth control and IPv6 — share data fairly so one heavy downloader cannot slow everyone else on the network.
- WEP, WPA-PSK and WPA2-PSK encryption with MAC filtering — use WPA2-PSK to keep neighbours off your paid data bundle.
Build, Power and Management
- External 9V, 0.85A power adapter — low power draw, so a compact router UPS keeps it running through outages.
- Compact body of 204 × 138 × 44 mm — small enough to sit on a shelf, desk or reception counter.
- Power on/off button — restart the router cleanly after a modem change, without pulling the adapter from the wall.
- Web management over HTTP and HTTPS — change settings from any browser on the network, no software installation needed.
- TP-Link Tether app support — manage parental controls from your phone, handy when you are away from the office.
- Web-based firmware upgrade — install TP-Link updates from the browser for fixes and wider modem support.
- WPS/Reset combined button — a long press restores factory settings if you forget the admin password or move offices.
Package Contents
Each brand new and sealed TP-Link TL-MR3420 ships with the router, two antennas, a power supply unit, an Ethernet cable, a resource CD and a quick installation guide. That gives you everything to connect a fibre line or a dongle on the day it arrives. A USB 3G or 4G modem and SIM card are not included, so bring your own or confirm your plan with our team on WhatsApp before ordering.
Warranty
The TP-Link TL-MR3420 ships with a 12-month warranty through Mascom International, covering manufacturing defects under normal use, including faults in the ports, wireless radio or power circuitry. Warranty claims are handled at our service desk in the Old Mutual Building, Nairobi CBD.
Buying the TP-Link TL-MR3420 from Mascom International
Mascom International stocks the TP-Link TL-MR3420 at Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD. We open Monday through Saturday, 9:00 AM to 7:00 PM. Bring your USB dongle along, and our team will test it in the router so you leave knowing it works. Confirm the colour of the unit in stock with us on WhatsApp.
Questions about modems, setup or office orders go to:
- Phone/WhatsApp: +254 708 852 521
- Email: info@mascomintl.com
- Website: www.mascomintl.com
Delivery is pay-on-arrival to all 47 counties. Nairobi and its environs receive orders the same day, while Mombasa, Machakos, Nyeri and Kakamega receive theirs the next business day. Mandera, Wajir, Marsabit, Lamu, Tana River, and Turkana receive delivery within 2-3 business days.
Your router is backed by the 12-month warranty above.
Our team stands behind honest specifications, accurate pricing and after-sales support you can reach by phone or in person.
Disclaimer: We can not guarantee that the information on this product is 100% correct
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