Huawei e8372h-511:
it only supports 3g glo, mtn, 9mobile or etisalat and airtel in nigeria but supports 4g of other countries. this is because non of nigeria 4g network frequency bands is corresponded to its bands.
4g * lte fdd: band 1(2100 mhz)/band 2(1900 mhz)/
band 4(aws)/band 5(850mhz)/band 17(700 mhz)
3g * dc-hspa+/hspa+/hspa/umts: band 1(2100 mhz)/
band 2(1900 mhz)/band 4(aws)/band 5(850
mhz)
2g * edge/gprs/gsm: band 2(1900 mhz)/band 3(1800 mhz)/
band 5(850 mhz)/band 8(900 mhz)
speed:lte peak downlink speed to 150mbps, upload speed to 50mbps
wifi: wlan 802.11b/g/n, 2.4ghz, support up to 10 devices
antenna: built-in antenna and two external antenna ports (ts-9 connectors)
very fit for usa 4g band 17(700 mhz)