20-101-1221 Rabbit Semiconductor, 20-101-1221 Datasheet - Page 60
![RCM4400W (JAPAN TELEC CERTIFIED)](/photos/14/19/141972/20-101-1221_sml.jpg)
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
- Current page: 60 of 126
- Download datasheet (2Mb)
802.11b interface cards implement all of the 802.11b low-level configurations in firm-
ware. In fact, the 802.11b default configuration is often sufficient for a device to join an
access point automatically, which it can do once enabled. Commands issued to the chip set
in the interface allow a host program to override the default configurations and execute
functions implemented on the interface cards, for example, scanning for hosts and access
points.
6.1.2 Ad-Hoc Mode
In the ad-hoc mode, each device can set a channel number and an SSID to communicate
with. If devices are operating on the same channel and SSID, they can talk with each
other, much like they would on a wired LAN such as an Ethernet. This works fine for a
few devices that are statically configured to talk to each other, and no access point is
needed.
6.1.3 Additional Information
802.11 Wireless Networking; published by O'Reilly Media, provides further information about
802.11b wireless networks.
54
RabbitCore RCM4400W
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