Envara

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General information

Official website: http://www.envara.com (*long* since defunct,
here's a snapshot from 2004-02, close to their merger with Intel)

Vendor IDs

This company is assigned USB vendor ID:  • 132a (5 devices in DB).

Timeline

  • Founded in 2000, acquired by Intel in 2004
Intel said to buy Wi-Fi chip designer Envara

Wireless chipsets

(a)bg

Chipset MAC / BB RFIC Interface PHY
modes
Notes First seen
(FCC)
Adapters ESystems PPage
WiND502 EN202 EN303 USB 2.0 abg 802.11a/b/g
CMOS 180nm
2003-09-04 1 devices 0 devices PPage
WiND512 EN202 EN313 USB 2.0 bg 802.11b/g
CMOS 180nm
2003-09-04 15 devices 0 devices PPage
  • WiND502 802.11abg chipset consisting of:
EN202 - MAC/BB, USB interface, CMOS 180nm
EN303 - RFIC 2.4/5GHz
  • WiND512 802.11bg chipset consisting of:
EN202 - MAC/BB, USB interface, CMOS 180nm
EN313 - RFIC 2.4GHz
EN202 (MAC/BB)
  • The EN202 is a highly integrated, triple-mode wireless LAN medium access control (MAC) and baseband (BB) chip,
compatible with 802.11a/b/g wireless standards.
  • Envara's EN202 chip is incorporated into its WiND502 and WiND512 wireless LAN chipset solutions, enabling
a clear migration path for applications using 802.11g technology to advanced 802.11a/g based solutions.
  • The EN202 contains two modems. An orthogonal frequency division multiplexing (OFDM) modem is compatible
with the 802.11a and 802.11g and supports multiple data rates of up to 54 Mbps.
  • A direct sequence spread spectrum/ complementary code-keying (DSSS/CCK) modem supports the 802.11b
standard and supports multiple data rates of up to 11 Mbps.
  • The inherent flexibility of the chip supports many advanced MAC features such as improved security,
low power consumption, system stability and multimedia support.

Key Features

  • Built-in 802.11a / 802.11g and IEEE 802.11b compatible dual-mode OFDM and DSSS/CCK modems.
  • Built-in 802.11 MAC, to support IEEE 802.11 MAC extended features such as Security (802 11i, and WPA),
QoS (802.11e and WPA), and DFS/TPC for compatibility with Worldwide radio regulations (801.11h/d/j).
  • External data bus, enabling connection to additional memory components as well as interface
controllers, such as USB2.0 transceivers
  • Built-in A/D and D/A converters
  • Low power consumption
  • PCI and MII interfaces

Applications

  • WLAN network interface cards (NICs)
CardBus, MiniPCI, Ethernet and USB 2.0 (adapter and dongle) reference designs
  • WLAN access points (AP)
  • Residential gateways

EN303 (RFIC 2.4/5GHz)
  • The EN303 is a monolithic SiGe half-duplex RF multi-band transceiver designed to operate in either the 5GHz unlicensed
frequency band (including all channels starting from 4.9GHz up to 5.9GHz) or in the 2.4GHz unlicensed frequency band.
  • As an integral part of Envara's WiND502 triple-mode chipset, EN303 enables a very low-cost implementation of wireless
LAN (WLAN) equipment such as network interface cards and access points.
  • EN303 is compatible with 802.11a, 802.11b and 802.11g international wireless standards.

Key Features

  • One-World support - Operates within either 4.900~5.825 GHz or 2.412~2.484 GHz frequencies
- supporting 802.11h/g/j requirements
  • Reduced BOM & small footprint
On-chip VCOs, synthesizer, LNAs
Envara's patented Enhanced Zero IF (EZ-IF) architecture enables simpler integration
and lower cost implementation by not requiring external IF or baseband filters
  • High Performance
High input dynamic range
Excellent interference resilience
Improved sensitivity; greater range
  • Power management includes 'stand-by' mode to maximise power efficiency.

Applications

  • WLAN interface cards: MiniPCI, USB 2.0, Ethernet and CardBus PC cards
  • Access points (AP)
  • Residential gateways

EN313 (RFIC 2.4GHz)
  • The EN313 is a monolithic SiGe half-duplex RF transceiver designed to operate in the 2.4GHz
unlicensed frequency band (2.412 - 2.484GHz).
  • As an integral part of Envara's WiND512 chipset, EN313 enables a very low-cost implementation
of wireless LAN (WLAN) Network Interface Cards (NICs) and Access Points (APs).
EN313 is compatible with the 802.11g international wireless standard.

Key Features

  • Operates within 2.412~2.484 GHz frequencies – supporting 802.11h/g/j requirements
  • Reduced BOM & small footprint
On-chip VCOs, synthesizer, LNAs
Envara's patented Enhanced Zero IF (EZ-IF) architecture enables simpler integration
and lower cost implementation by not requiring external IF or baseband filters
  • High Performance
High input dynamic range
Excellent interference resilience
Improved sensitivity; greater range
  • Power management includes 'stand-by' mode to maximise power efficiency.
Single 3V power supply

Applications

  • WLAN interface cards: MiniPCI, USB 2.0, Ethernet and CardBus PC cards
Access points (AP)
Residential gateways

Devices

16 Chip Brand total devices
5 Vendor ID total devices

Wireless adapters

Device Interface PHY
modes
Manuf. Chip1 Chip2 MIMO Addl.
info
FCC
date
ASUS WL-160g
FCC ID: MSQWL160G
USB 2.0
corded [modular] adapter, Female B
bg

2821:160f
CoO: Flag of the Republic of China.svg Envara
EN202
Envara
EN313


none
OUI: 00:0E:A6
2003-12-26
AT&T Plug and Share 6602G
FCC ID: RIW-ZWX-G250
USB 2.0
dongle, Male A
bg

11eb:3008
Zinwell
ZPlus G250
CoO: Flag of the Republic of China.svg
Envara
EN202
Envara
EN313


none
OUI: 00:0D:14
Flags: flip-up antenna
2003-12-09
AboCom WUG2200
FCC ID: MQ4WUG2K2
USB 2.0
corded [modular] adapter, Female B
bg

07b8:a001
CoO: Flag of the Republic of China.svg Envara
EN202
Envara
EN313


none
OUI: 00:E0:98
2004-03-11
Allnet ALL0273
FCC ID: N89-UW600E
USB 2.0
corded [modular] adapter, Female B
bg

0b3b:1620
CyberTAN
UW600-E
Envara
EN202
Envara
EN313


none
2003-09-04
Amigo AWU-901W
FCC ID: RC6AWU-901W
USB 2.0
dongle, Male A
bg

132a:1502
Envara
EN202
Envara
EN313


none
2004-05-04
CyberTAN UW600-E
FCC ID: N89-UW600E
USB 2.0
corded [modular] adapter, Female B
abg
Envara
EN202A
Envara
EN303B2


none
2003-09-04
CyberTAN UW604-E
FCC ID: N89-UW604E
USB 2.0
corded [modular] adapter, Female B
bg
Envara
EN202
Envara
EN313


none
2004-03-17
Edimax EW-7317UHg
FCC ID: NDD9573170407
USB 2.0
corded [modular] adapter, Female Mini-B
bg
CoO: Flag of the Republic of China.svg Envara
EN202A
Envara
EN313B2


none
Ant. conn: U.FL
Flags: hg directional
2004-06-24
Global Sun GL2454MU-0E
FCC ID: O7J-GL2454MU-0E
USB 2.0
corded [modular] adapter, Female Mini-B
bg
CoO: Flag of the Republic of China.svg Envara
EN202
Envara
EN313


none
OUI: 00:03:2F
2004-01-05
Hawking HWU54D
FCC ID: NDD9571130403
USB 2.0
corded [modular] adapter, Female Mini-B
bg

132a:1502
Edimax
Envara
EN202
Envara
EN313


none
Ant. conn: U.FL
Flags: hg directional
2004-03-02
(no FCC)
LevelOne WNC-0300USB
FCC ID: O7J-GL2454MU-0E
USB 2.0
corded [modular] adapter, Female Mini-B
bg

132a:1502
Global Sun
GL2454MU-0E
CoO: Flag of the Republic of China.svg
Envara
EN202
Envara
EN313


none
2004-01-05
Motorola WU830G
FCC ID: ACQWU830G, N89-UW604E
USB 2.0
corded [modular] adapter, Female B
bg

07b2:7030
CyberTAN
UW604-E
CoO: Sample PRC Flag.svg, Flag of the Republic of China.svg
Envara
EN202
Envara
EN313


none
OUI: 00:0E:5C, 00:0F:9F
2004-02-27
OvisLink WL-5430USB USB 2.0
dongle, Male A
bg

132a:1502
Envara
EN202
Envara
EN313


none
OUI: 00:1D:1A
Xterasys XN-2133G
FCC ID: MQ4WUG2K2
USB 2.0
corded [modular] adapter, Female B
bg

07b8:a001
AboCom
WUG2K2
CoO: Flag of the Republic of China.svg
Envara
EN202
Envara
EN313


none
OUI: 00:E0:98
2004-03-11
Zinwell ZPlus G250
FCC ID: RIW-ZWX-G250
USB 2.0
dongle, Male A
bg

132a:1502
CoO: Flag of the Republic of China.svg Envara
EN202
Envara
EN313


none
Flags: schematics, flip-up antenna 2003-12-09
ZyXEL ZyAIR G-200
FCC ID: N89-UW600E
USB 2.0
corded [modular] adapter, Female B
bg

0b3b:1620
CyberTAN
UW600-E
Envara
EN202
Envara
EN313


none
OUI: 00:A0:C5
2003-09-04

Models

Envara/windows
132a:1502	802.11(a)bg WLAN Adapter [Envara WiND502/WiND512]
0b3b:1620	Allnet ALL0273 - Wireless Network Adapter [Envara WiND512]

07b2:7030	Motorola WU830G
0b3b:1620	ZyXEL G-200 (Tekram)
11eb:3004	LevelOne WNC-0300USB
		Global Sun GL2454MU-0E
11eb:3008	AT&T Plug and Share 6602G
		Zinwell ZPlus G250 (OEM)
132a:1502	Generic WiND502 device
2821:160e	Generic ASUS
2821:160f	ASUS WL-160g(E)
0143:160f	Manuf by ASUS

See also