<s>
eXI	B-Device
Wireless	I-Device
is	O
a	O
Canadian	O
business	O
that	O
develops	O
and	O
manufactures	O
Radio	B-Application
Frequency	I-Application
IDentification	I-Application
(	O
RFID	B-Application
)	O
wireless	O
systems	O
.	O
</s>
<s>
eXI	O
's	O
RFID	B-Application
products	O
include	O
HALO	O
,	O
RoamAlert	O
,	O
and	O
Assetrac	O
.	O
</s>
<s>
eXI	B-Device
Wireless	I-Device
was	O
acquired	O
by	O
VeriChip	O
Corporation	O
in	O
April	O
2004	O
.	O
</s>
