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I have 3 Monoprice 802.11n USB adapters that I got as a side effect of another transaction. For all 3 devices, the packaging declares Linux as a supported OS on ...
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- 12-01-2011 #1
- Join Date
- Nov 2011
Any Hope for Monoprice USB Wifi Devices? (Ralink, Realtek)
I have 3 Monoprice 802.11n USB adapters that I got as a side effect of another transaction. For all 3 devices, the packaging declares Linux as a supported OS on both the front and back, as do the paper instruction manual and CD, but after numerous sessions trying to get them working, none of the 3 is useful. I've tried with Debian 6, several live distros, and periodically with Debian testing weekly ISOs, in a room with ~2 meters clear line of sight separation.
Monoprice product #5333 was sold as being Ralink 3070 based
Monoprice product #6147 was sold as being Realtek RTL8191SU based
Monoprice product #6148 was sold as being Realtek RTL8188SU based
The 5333 (148f:3070) seems to load its firmware successfully and responds to iwconfig/ifconfig/iwlist/iw as you'd expect, but fails in various ways: sometimes simply failing to associate, but usually establishing a successful connection and then dropping it within a few minutes. Logs vary with each version of distro and kernel, for example "No probe response from AP" or "disassociating by local choice (reason=3)". Sometimes data transfer begins with a surge for a second or 2, but then stalls for minutes at a time until the connection drops.
I experienced what others have noticed, that the USB-ID changes for the Realtek devices. Initially the 6147 was 0bda:8172 and the 6148 was 0bda:8171, but now both identify as 0bda:8192
Both Realtek devices will not even load firmware, so there's not much to test with them.
rtl819xU:EEPROM ID is invalid(is 0x0(should be 0x8129)
usb 4-2: not running at top speed; connect to a high speed hub
(mass storage devices as well as the 5333 do connect at high speed)
I've tried various workarounds for the firmware problem (including following instructions on the net for modifying udev rules), but haven't found one that works.
Other than the USB-ID, is there a way to determine what chip is actually being used in each device? Why would the ID change?
If anyone knows how to get these devices working with Debian (and hopefully other Free systems), I'd appreciate your advice.
BTW, the 2 Realteks have wps buttons: Do these function with Linux drivers?
- 12-01-2011 #2
I have a ralink 3070 device that works fine with Ubuntu, but had problems with several other distro's. Drivers are available on line. Try Ralink-A MEDIATEK COMPANY. If I remember right, it uses the rt2870 driver.Registered Linux user #526930
- 12-01-2011 #3
- Join Date
- Apr 2009
- I can be found either 40 miles west of Chicago, or in a galaxy far, far away.
This site has been awesome for getting WiFi working with various Linux distributions: Welcome - Linux WirelessSometimes, real fast is almost as good as real time.
Just remember, Semper Gumbi - always be flexible!
- 12-01-2011 #4Other than the USB-ID, is there a way to determine what chip is actually being used in each device? Why would the ID change?
harry@biker:~$ lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 002: ID 0bda:8189 Realtek Semiconductor Corp. RTL8187B Wireless 802.11g 54Mbps Network Adapter
# lshw -C network *-network description: Ethernet interface product: RTL-8139/8139C/8139C+ vendor: Realtek Semiconductor Co., Ltd. physical id: 2 bus info: pci@0000:02:02.0 logical name: eth0 version: 10 serial: 00:16:76:dd:65:f5 size: 10Mbit/s capacity: 100Mbit/s width: 32 bits clock: 33MHz capabilities: pm bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=8139too driverversion=0.9.28 duplex=half latency=64 link=no maxlatency=64 mingnt=32 multicast=yes port=MII speed=10Mbit/s resources: irq:9 ioport:1000(size=256) memory:60010000-600100ff *-network description: Wireless interface physical id: 1 bus info: usb@1:2 logical name: wlan0 serial: 00:e0:4c:5a:56:07 capabilities: ethernet physical wireless configuration: broadcast=yes driver=rtl8187 driverversion=2.6.38-7.dmz.2-liquorix-686 firmware=N/A ip=<filtered> link=yes multicast=yes wireless=IEEE 802.11bg
No dropped connections for days, I use wicd for connection, on this
~$ inxi -F System: Host: biker Kernel: 2.6.38-7.dmz.2-liquorix-686 i686 (32 bit) Desktop Fluxbox 1.3.1 Distro: antiX-M11-base-686 Jayaben Desai 25 April 2011 Machine: System: GATEWAY product: W3507 version: 500 Mobo: Intel model: D102GGC2 version: AAD70214-201 Bios: Intel version: GC11020M.15A.2010.2006.0817.0956 date: 08/17/2006 CPU: Single core Intel Celeron D CPU (-UP-) cache: 512 KB flags: (lm nx sse sse2 sse3) clocked at 3200.438 MHz Graphics: Card: ATI RC410 [Radeon Xpress 200] X.Org: 188.8.131.522 driver: radeon Resolution: email@example.com GLX Renderer: Gallium 0.4 on ATI RC410 GLX Version: 2.1 Mesa 7.11 Audio: Card: ATI IXP SB4x0 High Definition Audio Controller driver: HDA Intel Sound: ALSA ver: 1.0.23 Network: Card-1: Realtek RTL-8139/8139C/8139C+ driver: 8139too IF: eth0 state: down mac: <filtered> Card-2: Realtek RTL8187B Wireless 802.11g 54Mbps Network Adapter driver: rtl8187 IF: wlan0 state: up mac: <filtered> Drives: HDD Total Size: 120.0GB (7.6% used) 1: /dev/sda ST3120213A 120.0GB Partition: ID: / size: 109G used: 8.5G (9%) fs: ext3 ID: swap-1 size: 2.17GB used: 0.00GB (0%) fs: swap Sensors: System Temperatures: cpu: 45.9C mobo: 46.1C Fan Speeds (in rpm): cpu: 2263 fan-2: 1118 fan-4: 0 Info: Processes: 84 Uptime: 2 days Memory: 256.8/880.0MB Client: Shell inxi: 1.7.27
inxi - A newer, better system information script for irc, administration, and system troubleshooters. - Google Project Hosting
smxi Manual which talks about what smxi is about
smxi Manual :: Configuration and Operation Information
What Debian has to say about your Ralink 3070 chip
rt2870sta - Debian Wiki
Lastly, Wicd connects me with this USB with my wpa2 encrypted network also. I don't know if your usb wifi sticks support wpa or not, maybe just wep.