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Home  >  Remotes >  Item # NKWT4A (MFR# 25365)
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WT-4A Wireless Transmitter for the D3, D300, D700 Digital SLRs
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Nikon WT-4A Wireless Transmitter for the D3, D300, D700 Digital SLRs

Condition: Brand new, USA Warranty
WT-4A Wireless Transmitter Requires EN-EL3e Rechargeable Li-ion Battery and MH-18a Battery Charger, (sold separately)

Wireless Transmitter WT-4

The WT-4 is a high-performance wireless transmitter that offers diversified image transfer capabilities when connected with the Nikon D3 or D300 via USB cable. It supports wireless LAN conforming to IEEE 802.11b/g, IEEE 802.11a, and wired LAN conforming to IEEE 802.3u (100BASE-TX) and IEEE 802.3 (10BASE-T). Transmission range when wireless LAN is used is approx. 180 m (IEEE 802.11b/g) or 260 m (IEEE 802.11a). (Varies according to transmission conditions.)

Major features

Easy-to-use cable connection type
External dimensions are approx. 125 (W) x 65 (H) x 35 (D) mm, and weight is 131 g (body only). In order to maintain operability of a camera, the WT-4 is not directly mounted on the camera bottom, but is connected via a cable.
A soft case that can be attached to a belt and a neck-strap are supplied as standard accessories.

Wireless LAN and wired LAN supported
With wireless LAN, IEEE 802.11b/g and 11a are supported. With wired LAN, IEEE 802.3u (100BASE-TX) and IEEE 802.3 (10BASE-T) are supported.

Wide transmission range
With wireless LAN, transmission range is approx. 180 m (IEEE 802.11b/g) and 260 m (IEEE 802.11a). (The range varies according to obstacles and radio wave conditions.)

When using wireless LAN, desired transfer mode can be selected.
Ad-hoc mode enables peer-to-peer connection of a WT-4 and a computer or FTP server. Infrastructure mode enables connection via an access point.

Four connection modes available

  • Image Transfer mode: Images stored in a memory card and those just taken can be transferred and saved on a computer or FTP server.
  • Thumbnail Select mode: Thumbnail images can be displayed on a connected computer, and selected images can be downloaded and saved.
  • PC mode: With Camera Control Pro 2 (optional), camera settings can be controlled and images taken can be transferred and saved on a computer.
  • Printer mode: JPEG images stored in a memory card can be transferred to a printer connected with a computer.

Several cameras can be connected with a computer (Thumbnail select mode)
When the Nikon D3 or D300 is connected with the WT-4 via USB cable, several cameras can be wirelessly connected with a computer.

Thumbnail select mode*
This mode permits thumbnail display of images taken with up to five wirelessly connected cameras on a computer display. Images selected by confirming the thumbnail can be downloaded and saved on the computer. With this mode, both photographer and computer operator can concentrate on their own assignment.

*Supplied software ?Thumbnail Selector? should be pre-installed.


System requirements
Compatible cameras Nikon digital SLR D3/D300
Power source One Rechargeable Li-ion Battery EN-EL3e (optional) or AC Adapter EH-6 (optional)
OS (when connected with a computer) 32-bit Windows Vista Home Basic / Home Premium / Business / Enterprise / Ultimate, Windows XP Professional / Home Edition (SP1 or later, SP2 recommended, pre-installed models), Mac OS X (Ver. 10.3.9, 10.4, PowerPC G4 / G5 CPU, models with Intel processor)
OS (when connected with an FTP server) Operation guaranteed OS*1: Windows Vista / Ultimate / Business / Enterprise, Windows XP Professional, Mac OS X(Ver. 10.3.9, 10.4)
Transfer equipment (when wireless LAN is used) Wireless LAN adapter equipped with a computer or externally connected, or wireless LAN access point (complaint with IEEE 802.11b, IEEE 802.11g or IEEE 802.11a)
Transfer equipment (when Ethernet is used) ? Ethernet port equipped with a computer or externally connected (compliant with 100BASE-TX, 10BASE-T)
? Compatible Ethernet cable (compliant with 100BASE-TX, 10BASE-T)
Others ? Supplied WT-4 Setup Utility software is required when setting information in a camera on computer or FTP server*2 to be connected
? Supplied thumbnail selector software is required when setting thumbnail select mode
? CD-ROM drive (used when installing WT-4 Setup Utility/thumbnail selector software)
? USB port*3 equipped with a computer and optional USB cable (used when setting information on a device to be connected using WT-4 Setup Utility)

*1 For the latest information on operation guaranteed OSs, refer to our websites.
*2 When an FTP server is a connected device, information on the server can be set with a camera connected with the WT-4, without using the WT-4 Setup Utility software.
*3 Operation using USB hub is not guaranteed.

Model name WT-4
Wireless LAN environment
Compatible standards IEEE 802.11a (J52/W52/W53), IEEE 802.11g, IEEE 802.11b ARIB STD-T66, ARIB STD-T71
Transfer IEEE 802.11a: OFDM
IEEE 802.11g: OFDM
Frequency range (center frequency) 5170 ~ 5320 MHz (J52: 4 channels in all, W52/W53: 8 channels in all) 2412 ~ 2472 MHz (13 channels in all)
Transmission range IEEE802.11a: Approximately 260 m
IEEE802.11b/g: Approximately 180 m (when a large antenna is equipped at wireless LAN access point) (Range varies according to obstacles and radiowave conditions)
Data transfer speed (nominal value*) IEEE 802.11a: 54M/48M/36M/24M/18M/12M/9M/6M (bps)
IEEE 802.11g: 54M/48M/36M/24M/18M/12M/9M/6M (bps)
IEEE 802.11b: 11M/5.5M/2M/1M (bps)
128/64 bit WEP, TKIP, AES
Security access method Infrastructure mode/Ad-hoc mode
Ethernet (wired LAN) environment
Standards IEEE 802.3u (100BASE-TX)/IEEE 802.3 (10BASE-T)
Data transfer speed (nominal value*)
10/100 Mbps (auto recognition)
Port 100BASE-TX/10BASE-T combined port (AUTO-MDIX)
Communications protocol PTP-IP, FTP
Power consumption Max. 4.5 W
Power source One Rechargeable Li-ion Battery EN-EL3e (optional) AC Adapter EH-6 (optional)
Operating environment Temperature: 0 ~ 40?C, Humidity: under 85% (no condensation)
Dimensions Approx. 125 (W) x 65 (H) x 35 (D) mm
Weight Approx. 131 g (body only)

*These are not actual values, but theoretically maximum ones.

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