20-101-1221 Rabbit Semiconductor, 20-101-1221 Datasheet - Page 75

• Manufacturer Part Number: 20-101-1221
• Description: RCM4400W (JAPAN TELEC CERTIFIED)
• Manufacturer: Rabbit Semiconductor
• Series: RabbitCore®r

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

• Use WPA encryption.
• Set WPA passphrase—
• Set WPA hexadecimal key—
• Authentication algorithm—
User’s Manual
The default shown below indicates that key 0, defined by
The following macro must also be used with WPA encryption.
When using WPA encryption,
TKIP
PSK_HEX
phrase on your access point. It may also point to a variable.
Define an ASCII passphrase here, from 1 to 63 characters long. This passphrase is only
used if you did not specify a hexadecimal key for the
insecure default is shown below.
matches the 256-bit (64-byte) hexadecimal key used by your access point.
Specify a 64 hexadecimal digit (32 bytes) key here. This key will be used and will over-
ride any passphrase set with the
key shown below
is valid for the SSID
Using a passphrase is rather slow. It takes a Rabbit 4000 more than 20 seconds to gen-
erate the actual 256-bit key from the passphrase. If you use a passphrase and
WIFI_VERBOSE_PASSPHRASE
corresponding to that passphrase and SSID.
If both
will be used, and
modes used.
The default shown below allows enables both open-system authentication and shared-
key authentication.
The following authentication options are available.
•
•
#define _WIFI_USEKEY "0"
#define WIFI_USE_WPA
#define _WIFI_PSK_PASSPHRASE "now is the time"
#define _WIFI_PSK_HEX \
#define _WIFI_AUTH_MODE WIFICONF_AUTH_ALL
WIFICONF_AUTH_OPEN_SYS —
WIFICONF_AUTH_SHARED_KEY —
WEP only)
, and you must define a WPA key using
_WIFI_PSK_HEX
"57A12204B7B350C4A86A507A8AF23C0E81D0319F4C4C4AE83CE3299EFE1FCD27"
:
.
_WIFI_PSK_PASSPHRASE
"rabbitTest"
_WIFI_PSK_PASSPHRASE
and
_WIFI_AUTH_MODE
_WIFI_PSK_HEX
_WIFI_PSK_PASSPHRASE
_WIFI_WEP_FLAG
, the Wi-Fi library will helpfully print out the hex key
_WIFI_PSK_PASSPHRASE
and the passphrase
only use open authentication
only use shared-key authentication (useful for
_WIFI_PSK_PASSPHRASE
will be ignored.
is a string of hexadecimal digits that
can be used to limit the authentication
must be defined as
is a string that matches the pass-
_WIFI_PSK_HEX
are defined,
"now is the time"
_WIFI_KEY0
macro. The example hex
.
_WIFI_PSK_HEX
WIFICONF_WEP_
,
macro. The
will be used.
or
_WIFI_
#define
.
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