User Manual
iM871A Wireless M-Bus General Feature Overview
iM871A_WMBus_UserManual.docx, Wireless Solutions, v1.2 Page 8
AES Encryption
The iM871A supports automatic AES-128 encryption and decryption of radio link messages.
Hardware Test
Opportunity to generate a continuous wave signal on all supported channels.
Features in combination with the WM-Bus Studio
Packet Sniffer
With the Wireless M-Bus Studio a packet sniffer functionality for Wireless M-Bus packets is
given. An optional data logger can store the air traffic into a log file.
Radio Link Test
The iM871A offers the possibility to evaluate the radio link quality between two devices with
the Radio Link Test.
During this test a configurable number of packets including a TX packet counter is sent from
a local device which is connected to the WM-Bus Studio to a peer device. The peer device
returns the number of received packets back to the sender.
Wireless M-Bus Message Generator
The Message Generator offers the possibility to simulate real Wireless M-Bus packets. The
format is conform to the EN13757-4 standard. The content of these packets can be changed.
With this function the users is able to test the iM871A radio module against other Wireless M-
Bus devices.
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