Uploaded January 2017 | Updated September 2026, 29 minutes ago

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Teardown of LTE-SMA-Antenna-Booster-Amplifier-Panel-28dBi-Gain-Signal-for-4G-3G-Router-BI577
Purchased on Ebay at £4.94 delivered.

Features:
Greatly enhance the mobile broadband network coverage and Wi-Fi receiving capabilities of your 4G/3G mobile router, if you are in a weak signal area.
It is the highest gain 28dbi 3G/4G LTE antenna.
Comes with two SMA connectors, the cable length is 3 Meters.
This antenna will work with mobile broadband devices that have SMA external antenna port.
Frequency range: 690-2700MHz.