GMMC GmbH SANGMSMA4 Manual De Usuario
SNAGOMA-MSMA / Multi-Standard, Multi-Antenna Reader-Writer Module
U s e r M a n u a l
(C) 2017 by GMMC GmbH
Page 4 of 11
2.
Module and antenna installation
2.1 Physical dimensions
Outer dimensions 52mm (2,05 inch) x 50 (2,97 inch)
Mounting holes (diameter 3mm/0,012inch).
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Mount the module properly into the end device.
Mounting holes are connected to system ground – it is recommended to connect at least
one mounting whole to the end-device´s system ground.
Connect the antenna(s) to the respective channels (1-4) one the module as shown in chapter
“connecting antennas”
Note: the connector is symmetrical and the connector direction (0° or 180°) do not have
influence on functionality or RF compliance. The antennas are connected with an unshielded
3 wire twisted cable of a length from 10 cm up to 200cm. Standard cable length are 60 and
75 cm.
Attach power to the module via a (Mini) USB cable to the end device´s application host
– it is recommended to apply a click on ferrite on the USB cable on module side.