#864: setting countrycode bring down txpower too much - channels range might ok
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Reporter: [EMAIL PROTECTED] | Owner:
Type: enhancement | Status: new
Priority: minor | Milestone:
Component: madwifi: HAL | Version: trunk
Keywords: txpower countrycode channels | Patch_attached: 0
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I have CM9: (manufacturer - who knows)
{{{
# lspci -v
0000:00:0d.0 Ethernet controller: Atheros Communications, Inc. AR5212
802.11abg NIC (rev 01)
Subsystem: Unknown device 185f:1012
Flags: bus master, medium devsel, latency 168, IRQ 12
Memory at 80000000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [44] Power Management version 2
}}}
{{{
# sysctl -a | grep wifi0
dev.wifi0.regdomain = 0
dev.wifi0.countrycode = 0
}}}
{{{
# iwlist ath0 txpower
ath0 8 available transmit-powers :
0 dBm (1 mW)
8 dBm (6 mW)
10 dBm (10 mW)
12 dBm (15 mW)
14 dBm (25 mW)
16 dBm (39 mW)
18 dBm (63 mW)
20 dBm (100 mW)
Current Tx-Power:20 dBm (100 mW)
# iwlist ath0 channel
ath0 46 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 36 : 5.18 GHz
Channel 40 : 5.2 GHz
Channel 42 : 5.21 GHz
Channel 44 : 5.22 GHz
Channel 48 : 5.24 GHz
Channel 50 : 5.25 GHz
Channel 52 : 5.26 GHz
Channel 56 : 5.28 GHz
Channel 58 : 5.29 GHz
Channel 60 : 5.3 GHz
Channel 64 : 5.32 GHz
Channel 149 : 5.745 GHz
Channel 152 : 5.76 GHz
Channel 153 : 5.765 GHz
Channel 157 : 5.785 GHz
Channel 160 : 5.8 GHz
Channel 161 : 5.805 GHz
Channel 165 : 5.825 GHz
Current Frequency=2.452 GHz (Channel 9)
}}}
'''When setting loading with countrycode=203'''
{{{
# sysctl -a | grep wifi0
dev.wifi0.regdomain = 0
dev.wifi0.countrycode = 203
}}}
{{{
# iwlist ath0 txpower
ath0 8 available transmit-powers :
0 dBm (1 mW)
4 dBm (2 mW)
6 dBm (3 mW)
8 dBm (6 mW)
10 dBm (10 mW)
12 dBm (15 mW)
14 dBm (25 mW)
16 dBm (39 mW)
Current Tx-Power:16 dBm (39 mW)
}}}
But this (http of course) hxxp://www.nuclearcat.com/athmap.txt says..
{{{
CZECH REPUBLIC (CZ, 0xcb, 203) ETSI3_WORLD (0x36, 54)
2412B 18.0 2417B 18.0 2422B 18.0 2427B 18.0 2432B 18.0 2437B 18.0
2442B 18.0 2447B 18.0 2452B 18.0 2457B 18.0 2462B 18.0 2467B 18.0
2472B 18.0 5180A 16.0 5200A 16.0 5220A 16.0 5240A 16.0 5260A 16.0
5280A 16.0 5300A 16.0 5320A 16.0
}}}
Allowed 18dBm txpower on all 2.4 frequencies...
{{{
# iwlist ath0 channel
ath0 35 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Channel 36 : 5.18 GHz
Channel 40 : 5.2 GHz
Channel 44 : 5.22 GHz
Channel 48 : 5.24 GHz
Channel 52 : 5.26 GHz
Channel 56 : 5.28 GHz
Channel 60 : 5.3 GHz
Channel 64 : 5.32 GHz
Current Frequency=2.412 GHz (Channel 1)
}}}
Is it ok??
--
Ticket URL: <http://madwifi.org/ticket/864>
MadWifi <http://madwifi.org/>
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