Lot of 500pcs Unlocked Huawei B315 B315s-519 4G CPE Hotspot WiFi Router Support 4G LTE B2/4/5/8/13/17 South American Bands - AliExpress
Source Unlocked New B315 B315s-608 with Antenna 4G LTE CPE WIFI Router Cat4 150 Mbps 4G Wireless Router with SIM Card Slot PK B310 on m.alibaba.com
HUAWEI 4G Router B315 Repair and Service | HUAWEI Support Global
Amazon.com: Huawei B315s-519 4G LTE Modem Hotspot Mobile Wi-Fi Router 4G Card to Wired Broadband Portable Mobile Network Compatible with All Mobile Operators(Unlocked) : Electronics