Radio Test Environment - Huawei EM820W Hardware Manual

HUAWEI EM820W HSPA+ PC Embedded Module
Hardware Guide
This device is to be used only for mobile and fixed application. The antenna(s) used
for this transmitter must be installed to provide a separation distance of at least 20
cm from all persons and must not be co-located or operating in conjunction with any
other antenna or transmitter. End-Users must be provided with transmitter operation
conditions for satisfying RF exposure compliance. OEM integrators must ensure that
the end user has no manual instructions to remove or install the UC864-E/G/WD
/WDU module. Antennas used for this OEM module must not exceed 3dBi gain for
mobile and fixed operating configurations.

4.4.4 Radio Test Environment

The antenna efficiency, antenna gain, radiation pattern, total radiated power (TRP),
and TIS can be tested in a microwave testing chamber.
Huawei has a complete set of OTA test environment (SATIMO microwave testing
chambers and ETS microwave testing chambers). The testing chambers are certified
by professional organizations and are applicable to testing at frequencies ranging
from 380 MHz to 6 GHz. The test items are described as follows:
Passive Tests
Active Tests
Figure 4-1 shows the SATIMO microwave testing chamber.
Issue 01 (2010-12-09)
Antenna efficiency
Gain
Pattern shape
Envelope correlation coefficient
TRP: GSM, WCDMA, CDMA, TD-SCDMA, and LTE systems
TIS: GSM, WCDMA, CDMA, TD-SCDMA, and LTE systems
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RF Specifications
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