D-Link EXO DAP-1820 Smart mesh extender is a great black spot choice - GadgetGuy
D-Link DAP-1860 AC2600 mesh range extender - GadgetGuy
DLINK DAP-1620 ACCESS POINT/EXTENDER
D-Link DAP-1620 5GHz 802.11 k/v Fast Roaming High Power AC1300 Dual Band Wireless WiFi Range Extender / Wi-Fi Repeater/Booster, Mesh Extender with 2 external antenna, Gigabit LAN Port | Lazada