The Z™ Model 340 is, quite possibly, the perfect videophone. Sleek and lightweight, this videophone has a stunning 7" screen that can be closed for safe traveling. Placed on your desk, mounted on a wall or connected to a TV for larger screen viewing, the Z-340 provides high-quality video over broadband or WiFi connections. Want to go completely wireless? Its rechargeable external battery provides up to two hours of video use without using an outlet.
 
Best of all, it comes with all of The Z™'s exclusive features you've come to love:

• Use your Z-340 in an environment with other videophones and have calls seamlessly sent and received on the product of your choice by using Z Connect (for qualified deaf users only).
• Get a Z Alert to your PDA or pager when someone is calling your Z-340.
• Quickly and easily enter in all of the phone numbers for your family and friends - deaf and hearing! - online using My Contacts.

Also, check out the accessories designed to work with and compliment your Z-340 videophone.

Dimensions (WxDxH)	7.6" x 5.9" x 1.9" (194.3 mm x 105.5 mm x 48 mm)
Sensor	Color VGA CMOS (5.04 µm active square pixels)
Lens	Precision glass lens, F/2.0 Effective focal range 30 cm to infinity
Field of View	76° ultra wide angle
Display	7" LCD with 16.7 million colors
Voice	Built-in hardware, AEC w/dual microphones
Resolution	640 x 480 (VGA), 352 x 288 (CIF), 320 x 240 (QVGA), 176 x 144 (QCIF)
Exposure	Automatic and manual adjustment
White Balance	Automatic and manual adjustment (auto, flourescent, incandescent, outdoors)
Power	AC/DC power adapter
Battery	Rechargeable lithium-ion
Power Frequency	50/60 Hz
Video Format	H.264, H.263 and H.263+
Audio Format	dvi4, iLBC, G.711
Communication	SIP/SDP, RTP/RTCP, STUN & ICE
Network Protocol	UDP, TCP, ARP, DHCP, SNTP, ICMP
Bandwidth	65Kbps up to 2Mbps
Ethernet	10/100 Base-T
Wireless	IEEE 802.11b and 802.11g
Encryption	WEP (128 bits), WPA-PAK (TKIP), WPA-PSK (AES)
Additional Features	Screen saver International clock w/online sync-up Photo preview (SD & main memory) Photo capture
Memory	SD card slot

Video Technology

• Wide-angle precision glass lens built into a rotating bezel so you can easily communicate one-on-one or meet with a small group of people.
• Excellent low-light performance - if you're calling from a location with less than ideal lighting conditions, the high-grade Z-340 sensor delivers superb low-light performance without compromising image quality.
• Stunning seven-inch LCD screen supports more than 16 million colors so you can see facial expressions and sign language clearly.
• Video output - you can use the built-in Z-340 screen or output up to 640 x 480 Video Resolution to a flat panel, TV or projector screen for a life-size presence.
• Automatic white balancing - high performance automatic adjustment for more natural looking colors.
• Supports various video resolutions - 640x480(VGA), 352x288(CIF), 320x240(QVGA), 176x144(QCIF)
• Supports a number of video codecs - H.264, H.263, H.263+ (Advance video codec for high quality video streaming and interoperability with other/older videophones devices using the same codecs)
• Quick environmental lighting adjustments - as lighting conditions change, the Z-340 adjusts quickly to continue delivering sharp and clear images.

Audio Technology

• Voice technology - the Z-340 is equipped with dual microphones and integrated Acoustic Echo Cancellation technology for crystal clear voice, with excellent sound quality, even if you're several feet away. For a more private conversation, you can connect a headset with microphone through the built-in jack.
• High-quality audio output - the built-in Z-340 speaker works great for one-on-one or small group meetings. The Z-340's ultra-quiet design with passive cooling eliminates the need for a fan and prevents unwanted background noise.
• Supports various audio codecs
• iLBC - low bit rate audio codec for most difficult Internet condition
• dvi4 and G.711 - for clarity of audio when Internet bandwidth is not an issue.
• G.711- for interoperability with standard VoIP infrastructure. This is a common codec used by VoIP Service Providers, which allows calls to PSTN numbers or cell phone numbers through a SIP-PSTN Gateway server.

Wireless Routers Compatible with the Z-340

A number of wireless routers have been tested to be compatible with the Z-340 videophone.  These are shown below:

D-Link (website)

• Model DI-624,
  
• DIR-628
• DIR-655
  
• Model DWL-1000AP, firmware version 3.2.31

Linksys (website)

• Model WRET54G (V7)
  
• Model WRT160N
  

Netgear (website)

• Model GR614v9
• Model WNDR3300
• Model WNR834Bv2
• Model WPN824v2

Buffalo (website)

• Model WHR-HP-G54, firmware version 1.0.37_1.08_1.04

2Wire (website)

• Model 2700HGV-2, firmware version 5.29.117.3