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 3-60 lists USB interface attributes.
Table 3-60 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 MAIN interface (for the primary antenna) and a
DIV interface (for the secondary antenna). The primary and secondary antennas work
together. The primary antenna transmits and receives LTE signals, and the secondary antenna
helps improve the quality of received LTE signals. Table 3-61 lists LTE antenna interface
attributes.
Table 3-61 LTE antenna interface attributes
Attribute
Description
Connector type SMA-K (screw threads outside and a hole inside)
Standards
compliance and
frequency bands
supported
l LTE FDD: bands 1/3/8
l LTE TDD: bands 38/39/40/41
l DC-HSPA+/HSPA+/HSPA/UMTS: bands 1/5/8/9
l TD-SCDMA: bands 34/39
l GSM/GPRS/EDGE: 900/1800 (MHz)
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 143
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