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4G-AC68U Dual-Band Wireless-AC1900 LTE Modem Router
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4G-AC68U Dual-Band Wireless-AC1900 LTE Modem Router

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Signal Improvement Solutions (Cellular)
4G-AC68U Dual-Band Wireless-AC1900 LTE Modem Router includes 2 antenna ports to attach external cellular antennas. See below for different options for high gain and high performance indoor and outdoor antennas to improve the signal strength and indoor coverage. Additionally, see below for RF bidirectional amplifiers/ distributed antenna systems/ repeaters/ small cells to further improve indoor coverage without directly attaching pigtail/ cable the device.
Pigtail for External Cellular Antenna

PIG4G-AC68U (NOTE: Need this pigtail to connect this device to antenna cable. It is included in preconfigured kits.)

Search Cable Adapters

Find other Device Pigtails

Pre-Configured Outdoor Cellular Antenna Kits

See below for the most popular LTE antenna kits to boost the signal of your 4G-AC68U Dual-Band Wireless-AC1900 LTE Modem Router. These kits include cables, lightning protection, and all required pigtails/ adapters. If none of these pre-configured kits works for you, see below for customized solutions.

Pre-Configured Antenna Kits
Outdoor Direction Yagi Antenna Kits (RECOMMENDED) with 20 ft Cable with 50 ft Cable

12 dBi Directional Yagi Antenna kit for 698-2700 MHz operation. Slightly larger than Panel (dimensions: 35" x 9" x 2") but higher gain.

Also available with 100 ft cable RFWY12-4G-AC68U-100 or see below for custom configuration.

buy  from Rfwel Infra

buy  from Rfwel Infra

Outdoor Directional Panel Antennas Kits with 20 ft Cable with 50 ft Cable

10 dBi Directional Panel Antenna kit for 698-2700 MHz operation. More compact than Yagi (dimensions: 26" x 13" x 5") but lower gain.

Also available with 100 ft cable RFWP10-4G-AC68U-100 or see below for custom configuration.

buy  from Rfwel Infra

buy  from Rfwel Infra

Outdoor Omnidirection Antenna Kits with 20 ft Cable with 50 ft Cable

9 dBi Omni-directional Antenna kit for 698-2700 MHz operation. ONLY recommended if have no dominant signal from specific direction.

Also available with 100 ft cable RFW0M9-4G-AC68U-100 or see below for custom configuration.

buy  from Rfwel Infra

buy  from Rfwel Infra

Related Signal Booster Kits:

  • Find other signal booster kits for Asus devices.

. . . search other signal booster kits in the Device Antenna Kits category.

Cellular Repeaters/ Bi-Directional Amplifiers

Because the 4G-AC68U Dual-Band Wireless-AC1900 LTE Modem Router device has an external antenna port you could use the high gain external antenna kits above to boost your signal. However, if your outdoor signal is very weak, or you require a very long cable run to get from the outdoor antenna to the device (long runs lead to large signal loss) consider using an RF bidirectional amplifier/ repeater suitable for the supported bands and cellular operator to boost your indoor coverage:

LTE Antenna Boosters/ RF Bidirectional Amplifiers/ Repeaters/ Relays

Customize your solution

STEP 1: Determine what frequency bands your operator uses here, then click on the frequency band link to view the best ranked cellular antennas compatible with the frequency band that both your device and your cellular operator supports. Your 4G-AC68U Dual-Band Wireless-AC1900 LTE Modem Router operates on these frequency bands: LTE Band 1, LTE Band 3, LTE Band 7, LTE Band 20, LTE Band 38.

 

STEP 2: Determine the cable length you need from the outdoor antenna to the 4G-AC68U Dual-Band Wireless-AC1900 LTE Modem Router and configure your length here (select N-Male on both ends)

 

STEP 3: Determine if you need a lightning protection device. If you do, you will need a jumper cable.

 

STEP 4: Order the pigtail for your modem below:

PIG4G-AC68U (NOTE: Need this pigtail to connect this device to antenna cable. It is included in preconfigured kits.)

 

STEP 5: If the pigtail's Connector 2 is FME-F you will need an N-Female/FME-F adapter to mate to the N-Male cable in step 2. Alternatively, select an N-Male/FME-M cable in step 2 above (more expensive and less re-usable) to avoid requiring this adapter.

 

Contact us if unsure about any of the steps above or for help configuring your coverage/speed improvement solution or visit our support website to learn more.

See below for other LTE antennas or contact us if you cannot find what you are looking for

Other LTE Antennas

Signal Improvement Solutions (Wi-Fi)
4G-AC68U Dual-Band Wireless-AC1900 LTE Modem Router is not listed as having an external Wi-Fi antenna port in the RFWEL Wireless Device Information Database. This may be either because the device really does not have an external antenna port or RFWEL Wireless Device Specialists have not confirmed the existence and utility of such ports. Please contact us for the latest updates or if you believe this device contains external antenna ports and you would like to learn more about compatible signal improvement solutions.
WiFi Repeaters/ Extenders/ Relays

Because the 4G-AC68U Dual-Band Wireless-AC1900 LTE Modem Router is not listed as having an external antenna port, you would need to use a wireless network extender or repeater to increase the WiFi signal coverage

Wi-Fi Coverage Extension Solutions

Wireless Site & Infrastructure Solutions

See below for wireless site components to integrate 4G-AC68U Dual-Band Wireless-AC1900 LTE Modem Router to your wireless infrastructure

Outdoor Radio Enclosure

Low loss RF Cables

Other Wireless Site Accessories

Power Solutions

See below for remote and backup power solutions for 4G-AC68U Dual-Band Wireless-AC1900 LTE Modem Router

Off-Grid Solar Solutions

Remote Power Solutions

Additional Device Support

Manual

Indoor coverage solutions

Select Case Studies

View Device in Manufacturer's website

Support Knowledge Base

Search 4G-AC68U articles

Discuss in the Forums

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Select Engineering Drawings

Mobile communication trailer

Residential Solution for Multi-WAN connectivity and Wi-Fi

View More Engineering Drawings ...

    • Weight
      1.8000 lbs
    • RFWEL DevID
      4G-AC68U
    • Manuf P/N
      4G-AC68U
  • Brand/ Manuf
    Asus
  • Device Type
    Wi-Fi Router, LTE Router
  • Cellular Specifications
    • Cellular Standards
      LTE
    • Cellular Bands
      LTE Band 38, LTE Band 20, LTE Band 7, LTE Band 3, LTE Band 1
    • Cell Antenna Port?
      Yes
    • Cell Antenna Port Type
      SMA-Female
    • # of Cell Antenna Ports
      2
    • LTE Category
      Category 6
  • Wi-Fi Specifications
    • Wi-Fi MIMO Order
      3
    • Wi-Fi Standard
      Wi-Fi, 802.11a, Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n), 802.11g, 802.11b
    • Wi-Fi Band
      5 GHz, 2.4 GHz
    • Wi-Fi Antenna(s)
      External Fixed
  • Electrical
    • Voltage Input
      19
    • Current Input (Amps)
      2.37
    • PoE?
      Yes
  • Mechanical
    • Weight (lbs)
      1.8
    • Dimensions (inch)
      9.72 x 6.61 x 2.99
    • Operating Temperature (degF)
      32 to 104

Device questions

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