Does anyone have a recommendation for good external antennas for this device?
Bintec ANT-4G-LTE-Cross-Pol (Cellular Antenna)
Bintec ANT-4G LTE Cross-Pole (Cellular Antenna)

Question

Does anyone have a recommendation for good external antennas for this device? Is it at all possible to replace the existing two antennas with external ones?

Answer

Does anyone have a recommendation for good external antennas for this device?
Bintec ANT-4G-LTE-Cross-Pol (Cellular Antenna)
[Bintec ANT-4G LTE Cross-Pole (Cellular Antenna)](https://www.digitec.ch/de/s1/product/bintec-ant-4g-lte-cross-pol-mobilfunk-antenne-netzwerk-zubehoer-5643617?supplier=406802)

Answer

I think so, in any case the LTE antennas are supplied separately, which means you have to install them yourself, see here:
https://www.asus.com/Networking/4G-AC53U/HelpDesk_Manual/
WLAN has no external antenna.
Presumably the LTE antennas have an SMA connector, like here:
[Delock LTE Antenna SMA (LTE/HSPA/GSM Antenna)](https://www.digitec.ch/de/s1/product/delock-lte-antenne-sma-ltehspagsm-antenne-netzwerk-zubehoer-5978733)

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Question about ASUS 4g-Ac53u

Does anyone have a recommendation for good external antennas for this device? Is it at all possible to replace the existing two antennas with external ones?