Specifications

Table Of Contents
Cinterion
®
ELS81-US Hardware Interface Description
5.3 Reference Equipment for Type Approval
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els81-us_hid_v01.004 2017-09-27
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5.3 Reference Equipment for Type Approval
The Gemalto M2M reference setup submitted to type approve ELS81-US (including a special
approval adapter for the DSB75) is shown in the following figure
1
:
Figure 55: Reference equipment for Type Approval
1. For RF performance tests a mini-SMT/U.FL to SMA adapter with attached 6dB coaxial attenuator is cho-
sen to connect the evaluation module directly to the UMTS test equipment instead of employing the SMA
antenna connectors on the ELS81-US-DSB75 adapter as shown in Figure 55. The following products are
recommended:
Hirose SMA-Jack/U.FL-Plug conversion adapter HRMJ-U.FLP(40)
(for details see http://www.hirose-connectors.com/ or http://www.farnell.com/
Aeroflex Weinschel Fixed Coaxial Attenuator Model 3T/4T
(for details see http://www.aeroflex.com/ams/weinschel/pdfiles/wmod3&4T.pdf)
DSB75
AH6Ad apter
SIMCard
SMA
SMA
SMA
USB
PC
Power
Supply
LTE/GPRS/UMTS
BaseStation
Diversity
Antenna
USB
ASC 0
Main
Antenna
Eval_Board
ELS61
Eval_Board
ELS 61
ASC1