The Huawei B890 LTE hub provides powerful features for phone calling. When another call comes in, Call Waiting alerts you with two fast beeps. You either accept the second incoming call or let it to go straight to voice mail. Either way, you never miss a call.
Call Waiting works with Call Display, so you can see who is calling before deciding to interrupt your first call.
You can disable Call Waiting for those calls you don’t want interrupted.

To activate Call Waiting with B890:
Dial *43# and hang up after you hear a tone indicating Call Waiting has been activated.

To Deactivate Call Waiting with B890:
Dial #43# and hang up after you hear a tone indicating Call Waiting has been deactivated.

To Accept a Call Waiting with B890:
Press the Hang up/Hook down (varies by phone model) during the call.

To Alternate between Calls with B890:
Press the Hang up/Hook down (varies by phone model) during the call.

Click to view more Huawei B890 specifications >>
If you want to buy an unlocked 4G router, Twayf.com provides a lot of devices for you at: http://www.twayf.com/4g-router

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In areas with poor network coverage, connect an external antenna to the Huawei B890‘s external antenna port for better signal reception.

Step 1: Remove the cover from the antenna port. (Keep it in a safe place.)
Step 2: Screw external antenna fully into the SMA1 antenna port, as shown in the following figure.

Step 3: If it’s necessary, screw another external antenna fully into the SMA2 antenna port to get a stronger receiving signal.

Important Notice:

1. Do not install an external antenna to SMA2 unless there is already an external antenna connected to SMA1. Only installing an external antenna to SMA2 will result in your Smart Hub not being able to connect to the Internet. Only installing external antenna to SMA1 is allowed.

2. Only use the external antenna indoors, and do not use it during a thunderstorm.

Note:

Before using an external antenna, log in to the web management page (http://huawei.smarthub or http://192.168.20.1) and set antenna mode to outer.

Twayf also provides 4G LTE external antenna for Huawei B890, you could get more information at: http://www.twayf.com/28dbi-4g-lte-antenna-sma-connector

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With Huawei B890 4G router, you can conference a maximum of 3people on the mobile network. The first call can be incoming or outgoing, but the second call must be initiated by you.

Steps to make a conference call with B890

Step 1: During a call, ask the recipient to hold, then press the Flash/Talk key (varies by telephone model).

Step 2: Dial the next number.

Step 3: When the call is answered, press the Flash/Talk key to connect both calls.

Your conference call is set up.

Disconnect one of the participants

During the call, press the Flash/Talk key (varies by telephone model).

The participant who was last to join the call is disconnected.

How to end the conference call with B890

Hang up or Press the End key to end the call.

Your conference call ends.

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The front panel of your B890 4G LTE Smart Hub provides simple and intuitive indicators so that you can easily learn the B890 Smart Hub’s status by observing the indicator lights. Get to know the following details for these indicators.

1. Power indicator

On: Smart Hub powered on.

Off: Smart Hub powered off.

2. Network status indicator

Fast red blinking: SIM card unavailable (SIM card not installed or malfunctioning, or PIN code not verified).

Steady blue: Smart Hub registered with 4G network.

Steady cyan: Smart Hub registered with LTE network.

Off: no signal received.

Note:

This indicator does not represent the actual wireless signal strength of the device. Login to the Web User Interface to view actual signal strength.

Signal Strength indicator light

Blue: The signal strength indicator light will be lit across the bottom based on wireless coverage. Login to the Web User Interface to view actual signal strength.

3. Wi-Fi/WPS indicator

Steady on: Wi-Fi turned on or data transfer in progress.

Blinking: WPS connection being set up.

Off: Wi-Fi turned off.

4. SMS / Voicemail indicator

Steady on: inbox full.
Blinking: new messages.

5. Telephone indicator

Steady on: call in progress.

Slow blinking: incoming call.

6. Wireless connection indicator

Steady on: connected to a 4G/LTE network.

Slow blinking: connecting to a 4G/LTE network.

7. LAN indicators

Steady on: network cable connected.

Blinking: data transfer in progress.

Off: network cable not connected.

8. Ethernet (Wired Internet) dialing indicator

Steady on: connected to an Ethernet network.

Slow blinking: connecting to an Ethernet network.

9. USB indicator

On: USB storage device connected.

Off: USB storage device not connected.

Click to Buy Unlocked Huawei B890 >>

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Huawei B890‘s phone features enable you to check the voice mail when you connect it to a phone. You can check your voice mail from your telephone or another phone.

From your telephone:

Step 1

Dial your 4G LTE Smart Hub number. A message tells you if you have any voice mail messages.

Step 2

If you have messages, follow the prompts.

From another phone:

Step 1

Dial your 4G LTE Smart Hub number. Your voice mail greeting plays.

Step 2

During your voice mail greeting, press the * key.

Step 3

Type your password and follow the prompts.

Click to view more Huawei B890 specifications >>

If you want to buy an unlocked 4G router, Twayf.com provides a lot of devices for you at: http://www.twayf.com/4g-router

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Get to know the appearance of your Huawei B890 LTE router quickly from this article.

Back Panel of Huawei B890

At the back panel of the B890 router, here are 1 button and 5 ports:

1. Power button, 2. Power port, 3. Telephone port

4. USB port, 5. LAN ports, 6. WAN port

Top Panel of Huawei B890

At the top of B890, here are 2 buttons and 1 slot:

2 button: 7. Wi-Fi/WPS button; 8. Dial-up button

1 slot: 9. SIM card slot

Front Panel of Huawei B890

At the front of the router, here are 9 indicators and 1 indicator light:

1. Power indicator; 2. Network status indicator; 3. Wi-Fi/WPS indicator

4. SMS indicator; 5. Call status indicator; 6. Wireless dialing indicator

7. LAN indicators; 8. Ethernet dialing indicator; 9. USB indicator

10. Signal strength indicator light

Click to view more Huawei B890 spec >>

If you want to buy an unlocked 4G router, Twayf.com provides a lot of devices for you at: http://www.twayf.com/4g-router

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This section describes possible problems and solutions for Sierra Aircard 312U users.

Software installation does not start automatically (Windows) or you do not see the
installer package (Mac)

Windows

If Watcher installation does not start after you insert the AirCard USB Modem:

1. Double-click My Computer (Windows XP) or Computer (Windows Vista, Windows 7) on your desktop.

2. Click the TRU-Install drive.

3. Under the TRU-Install drive, open the Win folder and double-click Setup.exe. Follow the on-screen prompts to install the software.

Continue reading “Sierra Aircard 312U Troubleshootings” »

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Question: Is there a router out there that works flawlessly with the Sierra 312U modem? I am wanting no dropouts at all. I have tried the Dlink 412 and the Netcomm3G17wn with no luck.

For many 312u users who want to find the router that compatiable with 312u modem, here are some routers for you to reference. First up, you’ll need to make sure you have the Sierra 312U dongle and not one of the other options. Continue reading “Routers Work with Sierra 312U modem” »

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For aircard 312U modem Mac OS users, if you want to use Apple native WWAN application to connect to the Internet, you need to install Switch driver which switches the AirCard 312U from USB mass storage device mode to modem mode. Here is the how-to guide to show you the steps to do the settings. Continue reading “How to use the AC312U modem with Mac 10.5.6 and up WWAN native support?” »

If you don’t know how to install your Sierra aircard 312U modem. This tutorial guide will show you how do it. Before you begin, ensure that your SIM Card has been activated and is inserted in your 312u USB modem.

1. Insert your Telstra Ultimate Mobile Broadband USB (AirCard 312U) modem into your Mac. The Mac OS will detect the device automatically as a removable storage device: Continue reading “How to Install Aircard 312U on Mac OS” »

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