20-101-1221 Rabbit Semiconductor, 20-101-1221 Datasheet - Page 91
20-101-1221
Manufacturer Part Number
20-101-1221
Description
RCM4400W (JAPAN TELEC CERTIFIED)
Manufacturer
Rabbit Semiconductor
Series
RabbitCore®r
Datasheet
1.20-101-1202.pdf
(126 pages)
Specifications of 20-101-1221
Frequency
2.4GHz
Modulation Or Protocol
802.11 b
Power - Output
16dBm
Voltage - Supply
3.3V
Current - Receiving
450mA
Current - Transmitting
450mA
Data Interface
Connector, 2 x 25 Header
Memory Size
512K Flash, 1MB SRAM
Antenna Connector
SMA
Operating Temperature
-20°C ~ 85°C
Package / Case
Module
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Applications
-
Sensitivity
-
Data Rate - Maximum
-
Other names
316-1147
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It is recommended that you allow for an “exclusion zone” of 0.04" (1 mm) around the
RCM4400W in all directions when the RCM4400W is incorporated into an assembly that
includes other printed circuit boards. An “exclusion zone” of 0.08" (2 mm) is recom-
mended below the RCM4400W when the RCM4400W is plugged into another assembly.
Figure A-2 shows this “exclusion zone.”
If you are planning to mount your RCM4400W directly in a panel-mounted enclosure, the
RP-SMA antenna connector will extend outside the enclosure. Keep the thickness of the
enclosure plus washer and lock nut to less than 0.2" (5 mm) to make sure that the antenna
can be mounted securely in the RP-SMA antenna connector.
OEM User’s Manual
NOTE: There is an antenna associated with the RCM4400W RabbitCore modules. Do
not use any RF-absorbing materials in these vicinities in order to realize the maximum
range.
Figure A-2. RCM4400W “Exclusion Zone”
85
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