The USB interface supports USB 2.0 devices and provides upload and download speeds of
480 Mbit/s. You can use the USB interface to upload or download configuration and
application files to the flash memory. Table 3-87 lists USB interface attributes.
Table 3-87 USB interface attributes
Attribute Description
Connector type TYPE-A
Standards compliance USB 2.0
Working mode Host
LTE Antenna Interface
LTE antenna interfaces of a router include a primary antenna interface and a diversity antenna
interface, which work simultaneously. The primary antenna interface receives and transmits
LTE signals. The diversity antenna interface supports 2x2 MIMO and helps improve quality
of received LTE signals. Table 3-88 lists LTE antenna interface attributes.
Table 3-88 LTE antenna interface attributes
Attribute
Description
Connector type SMA-K (screw threads outside and a hole
inside)
Standards compliance
l GSM/GPRS/EDGE: bands 2/3/5/8
l WCDMA/HSDPA/HSUPA/HSPA+:
bands 1/8
l LTE FDD: band 3
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 173
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