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Solution for "slow" Internet, caused by weak LTE network signal. Swapping an OEM antenna for a professional, external one, significantly improves LTE signal level, which boosts data transmission speeds. In this movie, TP-Link Archer MR200 LTE router was connected to ATK-LOG ALP LTE MIMO 2x2 Antenna.
Support
Details
TP-Link TL-MR3420 enables quick creation of a wireless/wired network allowing access to the Internet via a 3G/3.75G/4G (LTE) connection or traditional DSL line. The device allows wireless transmission speed up to 300 Mbps (802.11n) and LAN connectivity (Ethernet) up to 100 Mbps. Communication with the Internet via a 3G/3.75G/4G network is done through the USB interface, which has to be connected to the suitable modem (the list of compatible devices is available here).
Main features:
- Possibility of data transmission through a UMTS/HSPA/LTE network (via an external USB modem),
- Failover function enabling automatic switching between 3G and WAN interface in the case of an Internet connection loss through the current medium,
- Wireless AP (802.11n, 300 Mb/s)
- QSS
- WDS
- Bandwidth control mechanism (IP-layer QoS)
If the main Internet connection is provided through a DSL connection and a temporary link failure occurs, the failover function of the TP-Link wireless router can automatically switch it to the 3G network connected via an external USB modem. Such a solution is ideal for offices and businesses, where a loss of Internet connection would mean problems for normal business activity. After repairing the DSL failure, the device will automatically switch to the original state (access to the Internet via DSL line).
An example application of the device
The latest software and user guide can be found here.
Specifications:
| Name | TP-Link TL-MR3420 |
| Code | N2957 |
| Standards | 802.11n/g/b, 802.3/3u, USB 2.0 |
| Transmission speeds (Wi-Fi, 802.11) | 11n: 300Mb/s 11g: 54Mb/s 11b: 11Mb/s |
| Frequency range [GHz] | 2.4-2.4835 |
| Max Tx power [dBm] | 20 |
| Modulations | DBPSK, DQPSK, CCK, OFDM, 16-QAM, 64-QAM |
| Sensitivity | 270M: -68dBm@10% PER 130M: -68dBm@10% PER 108M: -68dBm@10% PER 54M: -68dBm@10% PER 11M: -85dBm@8% PER 6M: -88dBm@10% PER 1M: -90dBm@8% PER |
| Ports | USB 2.0 to connect UMTS/HSPA/EVDO modem, 1x10/100Mbps WAN Port, 4x10/100Mbps LAN Ports, |
| Antenna | 2x 3dBi |
| Power | 100-240 VAC / 9 VDC, 0.85 A |
| Operating temperature [ºC] | 0...40 |
| Operating humidity | 95% (no condensation) |
| Dimensions [mm] | 174x111x30 |
Specifications
| Name | Router 3G TP-LINK TL-MR3420 802.11n 300 Mbps UMTS/HSPA/LTE | ||
| Model | TL-MR3420 | ||
| Applications | Home router | ||
| Product type | WiFi router, LTE router | ||
| Manufacturer | TP-Link | ||
| Interfaces | |||
| Ethernet ports | number | 5 | |
| port types | Fast Ethernet | ||
| Ethernet LAN ports | 10/100 Mbps | 4 | |
| Ethernet WAN port | 10/100 Mbps | 1 | |
| WiFi | built-in | Yes | |
| Frequency | GHz | 2.4 | |
| standard | subgroups | 802.11n (WiFi 4) | |
| standard | class | N300 | |
| 2.4 GHz speed | MBps | 300 | |
| antennas | number | 2 × external | |
| MIMO | 2 × 2 | ||
| protection | WPA, WPA2 | ||
| EIRP | 2.4 GHz | 20 dBm | |
| beamforming | No | ||
| USB | Yes | ||
| Buttons | On/Off, Reset, WiFi on/off, WPS | ||
| Device functions | |||
| Firewall | DoS, SPI Firewall, IP and MAC address binding | ||
| Wireless transmission functions | Wireless network statistics, Wireless receiver on/off | ||
| WAN | Dynamic IP, Static IP | ||
| DHCP server | Client list, Address reservation | ||
| Port forwarding | DMZ, Port Triggering, Virtual server, UPnP | ||
| Dynamic DNS | DynDns, NO-IP | ||
| Access control | White list, Blacklist, Local management panel access control | ||
| Device properties | |||
| Power supply | DC | V | 12 |
| Dimensions | mm | 204 × 138 × 44 | |
| Mounting | Desktop | ||
| Certificates | CE/FCC | ||
| Package content | User manual, Router, Power supply | ||
| Operating environment | |||
| Temperature | operation | ℃ | 0...+40 |
| storage | ℃ | -40...+70 | |
| Humidity | air | % | 10...90 |
| storage | % | 5...90 | |
Videos
Short movie presenting home network installation using a 3G modem and TP-Link 3G router. When the signal is weak, it is recommended to use an additional antenna.