Проблема такая !
Есть 2100AP + усилок MANUS 1W для 11g.
две секторные антены по 90 град. через делитель.
Настройки точки по умолчанию.
FW dwl-2100ap_fw_v2-20eur0486.
11g без SuperG.

На другом конце G550 + усилок MANUS 1W для 11g + антена Bester Polyaris 27db.

Расстояние порядка 7 КМ !
Сигнал поймал на уровне 60 % .
Сигнал держится.
После чего не удается подключиться к точке.

На точке в разделе Status пишет следующее !

-----------------------------------------
WLAN 802.11G Traffic Statistics
Throughput
Transmit Success Rate 71 %
Transmit Retry Rate 0 %
Receive Success Rate 0 %
Receive Duplicate Rate 100 %
RTS Success Count 0
RTS Failure Count 397707
Transmitted Frame Count
Transmitted Frame Count 531
Multicast Transmitted Frame Count 95
Transmitted Error Count 221
Transmitted Total Retry Count 0
Transmitted Multiple Retry Count 0
Received Frame Count
Received Frame Count 0
Multicast Received Frame Count 0
Received Frame FCS Error Count 397708
Received Frame Duplicate Count 35
Ack Rcv failure Count 712
Wep Frame Error Count
WEP Excluded Frame Count 0
WEP ICV Error Count 0
-------------------------------------

Настройки через Telnet !

----------------------------------------

Atheros Access Point Rev 4.0.0.167
D-Link Access Point wlan1 -> get config
wlan1 revisions: mac 5.8 phy 4.4 analog 4.6
PCI Vendor ID: 0x168c, Device ID: 0x13
Sub Vendor ID: 0x168c, Sub Device ID: 0x13
chip is AR2312
Country Code: GB
Operation Mode: Access Point
Wlan State: Enabled
Radio Frequency: 2467 MHz (IEEE 12)
Wireless LAN Mode: 802.11g
Auto Channel Select: Disabled
Extended Channel Mode: Enabled
Data Rate: best
Antenna: best
Login Username: admin
RADIUS address:
Name server IP address:
Name server domain suffix:
SSID: EALNET
SSID Suppress Mode: Disabled
System Name: D-Link Access Point
Beacon Interval: 100
DTIM: 1
Fragmentation Threshold: 2346
RTS/CTS Threshold: 2346
Short Preamble: Enabled
11g Only Allowed: Disabled
CTS Mode: AUTO
CTS Rate: 11 Mbps
CTS Type: CTS-ONLY
11g Overlapping BSS Protection: Disabled
11g Beacon Rate: 1 Mbps
11g Draft 5.0 compatibility: Disabled
Short Slot Time: Enabled
Basic 11g Rate Set: (1, 2, 5.5, 11)
11g Optimization Level: 1
Burst Time: 2
Burst Sequence Threshold: 3
IP Address: 172.30.0.100
IP Mask: 255.255.0.0
Host IP Address: 0.0.0.0
Gateway IP Address: 172.30.0.1
SNTP/NTP Server IP Address:
Time Zone: 27
HW Transmit Retry Limit: 4
SW Transmit Retry Limit: 3
TransmitPower: full
Current Transmit Output Power 17.0 dBm
SuperG isabled
Encryption: Enabled
Cipher selection: WEP
Authentication Type: Open-System
Default transmit key: 1
Shared Key 1, size 40, 1234567890
Access Check: Disabled
Key Entry Method: hexadecimal
Group Key Update Interval: 1800 seconds
Key Source: flash
Aging Interval: 300 seconds
Telnet Access: Enabled
Telnet Timeout: 180 seconds
Minimum rate: 1 Mbps
XR Poll interval: 100 msec
XR Frame Limit: 25
XR Poll Rate String is 0.25 1 1 3 3 6 6 20
XR Fragmentation Threshold: 540
D-Link Access Point wlan1 ->
-------------------------------------------------------

И все никакого подключения.
Главное днем раньше все работало.
Поменял wirelessmode на 11b и все работать перестало.
Сигнал видит на 60 % но соединяться не хочет.

К другим сетия коннектится !



Подскажите в чем проблема ?