Which WAN interface types are available on EHWIC cards?

EHWIC cards offer T1/E1, serial, DS3/E3, Fast Ethernet, Gigabit Ethernet, ADSL/ADSL2+, VDSL2, and SFP-based fiber interfaces to suit diverse WAN deployments.

How do I configure an EHWIC WAN Card for serial connectivity?

Enter global configuration mode, use the interface serial slot/port command, assign IP addressing and encapsulation (for example HDLC or PPP), then enable the interface with no shutdown.

Can Cisco EHWIC cards support DSL connections?

Yes, Cisco offers EHWIC-DSL cards such as EHWIC-ADSL and EHWIC-VDSL, which support ADSL/ADSL2+ and VDSL2 lines for broadband WAN access.

Are EHWIC WAN Cards hot-swappable?

No, EHWIC cards are not hot-swappable. You must power down the router before inserting or removing an EHWIC to avoid hardware damage or configuration errors.

How can I troubleshoot an EHWIC card that is not detected?

Verify physical seating and screw tightness, power-cycle the router, then check the output of show hw-module and show platform hardware slot to confirm hardware recognition.

What is the difference between EHWIC and HWIC cards?

EHWIC cards support higher throughput (up to 50 Mbps) and operate on the enhanced bus of ISR G2/4000 Series routers, while legacy HWIC cards are limited to 45 Mbps and compatible with older ISR models.

How many EHWIC slots does a Cisco ISR router typically have?

ISR G2 models (1900/2900/3900 Series) include two EHWIC slots, while ISR 4000 Series routers provide two to three Enhanced Modular slots for EHWIC and other modular interface cards.

What packet forwarding rate can I expect from an EHWIC card?

An EHWIC card can forward up to 38,000 packets per second (pps), depending on the router’s performance license and overall system load.

Which WAN protocols do EHWIC WAN Cards support?

EHWIC WAN Cards support HDLC, PPP, Frame Relay, ATM, MPLS, and pseudowire technologies, enabling connectivity across legacy and modern carrier networks.

Can I run dynamic routing protocols over an EHWIC WAN Card?

Yes, EHWIC cards fully support dynamic routing protocols such as OSPF, EIGRP, BGP, and IS-IS, ensuring seamless integration into enterprise WAN topologies.

How do I verify the operational status of an EHWIC card?

Use the show controllers and show interfaces commands to view line protocol status, carrier detect, CRC errors and interface statistics for the installed EHWIC module.

Where can I purchase genuine Cisco EHWIC WAN Cards?

Purchase authentic Cisco EHWIC WAN Cards through Cisco’s authorized resellers, the Cisco Online Store, or certified distribution partners to ensure warranty and support coverage.

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FEARURED
EHWIC-4G-LTE-A-Cisco EHWIC-4G-LTE-A 4G wirels s module, US-AT&T Wireless, LTE band 17 (700 MHz) & band 4
4.2 (5)
- Network Module
- 4G LTE Module
- N/A
- EHWIC
- TCP/IP, LTE
- EHWIC
- 0 to 70°C
Est Value $1,150.00
$1,110.00
3.5% off
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EHWIC-4G-LTE-JP-Cisco EHWIC-4G-LTE-JP, Japen-N TT Docomo, LTE band 1 (2100 MHz)
4.2 (5)
- Network Module / Network Card
- 4G LTE
- N/A
- N/A
- LTE, TCP/IP
- EHWIC
- 0 to 70°C
Est Value $1,150.00
$603.00
47.6% off
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EHWIC-4G-LTE-BE-Cisco EHWIC-4G-LTE-BE, Canada- Bell, Telus, Rogers, LTE AWS band 4 (1700/2100 MHz)
4.2 (5)
- Wireless WAN Module
- 4G LTE
- Up to 100Mbps
- SMA
- TCP/IP
- Modular (EHWIC)
- 0 to 70°C
Est Value $1,150.00
$1,110.00
3.5% off
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EHWIC-VA-DSL-B-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-VA-DSL-B
4.2 (5)
- WAN Module
- DSL
- N/A
- RJ-11
- DSL, PPP, ATM
- EHWIC
- 0 to 55°C
Est Value $1,219.00
$407.00
66.6% off
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EHWIC-D-8ESG-Cisco 1900 2900 3900 Router EH WIC WAN Card EHWIC-D-8ESG - Ethernet Switch Card
4.2 (5)
- Network Module / Network Card
- Ethernet
- 1Gbps
- RJ-45
- TCP/IP
- Modular
- 0 to 70°C
Est Value $1,100.00
$587.00
46.6% off
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EHWIC-4G-LTE-G-Cisco EHWIC-4G-LTE-G, Europe, LTE band 1, 3, 7, 8, 20 (800(B20), 900(B8), 1800(B3), 2100(B1), 2600(B7) MHz)
4.2 (5)
- Wireless WAN Module
- 4G LTE
- Up to 100Mbps
- SMA
- LTE, fallback 3G
- EHWIC
- 0 to 70°C
Est Value $1,150.00
$1,110.00
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HWIC-4B-S/T-4-port ISDN BRI High-Speed WAN Interface Card Cisco Router High-Speed WAN Interface card
4.2 (5)
- Network Module / Network Card
- WAN Module
- 64Kbps per B-channel
- RJ-45
- PPP / HDLC
- HWIC
- 0 to 55°C
Est Value $1,600.00
$530.00
66.9% off
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HWIC-1FE-1-port 10/100 Routed Port HWIC Cisco Router High-Speed WAN Interface card
4.2 (5)
- Network Module
- Ethernet
- 100Mbps
- RJ-45
- TCP/IP
- Modular
- 0 to 70°C
Est Value $900.00
$233.00
74.1% off
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HWIC-2A/S-2-Port Async/Sync Serial WAN I nterface Card Cisco Router High-Speed WAN Interface card
4.2 (5)
- WAN Interface Card
- WAN
- 1Gbps
- RJ-45
- TCP/IP
- Modular (HWIC Slot)
- 0 to 70°C
Est Value $575.00
$221.00
61.6% off
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HWIC-1ADSL-1-port ADSLoPOTS HWIC Cisco Ro uter High-Speed WAN Interface card
4.2 (5)
- Network Module
- WAN
- Up to 8Mbps (ADSL2+)
- RJ-11
- TCP/IP
- Modular
- 0 to 70°C
Est Value $750.00
$361.00
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HWIC-4ESW-Four port 10/100 Ethernet swit ch interface card Cisco Router High-Speed WAN Interface card
4.2 (5)
- Network Module
- Ethernet Switch Module
- 10/100 Mbps
- RJ-45
- TCP/IP
- Modular
- 0 to 70°C
Est Value $425.00
$293.00
31.1% off
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EHWIC-D-8ESG-P-Cisco 1900 2900 3900 Router EH WIC WAN Card EHWIC-D-8ESG-P - Ethernet Switch Card
4.2 (5)
- Network Module / Network Card
- Ethernet
- 1Gbps
- RJ-45
- TCP/IP
- Modular
- 0 to 70°C
Est Value $1,400.00
$497.00
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HWIC-1ADSL-M-1-port ADSL HWIC w/Annex M Cis co Router High-Speed WAN Interface card
4.2 (5)
- Network Module
- WAN
- ADSL/ADSL2+
- RJ-11
- TCP/IP, PPP
- Modular
- 0 to 55°C
Est Value $750.00
$361.00
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HWIC-ADSLI-B/ST-2-port HWIC w/ 1-port ADSLoISD N and 1-port ISDN BRI-S/T Cisco Router High-Speed WAN Interface card
4.2 (5)
- WAN Module
- WAN
- ADSL: Up to 8 Mbps downstream, 1 Mbps upstream
- RJ-11
- TCP/IP, PPP
- HWIC/EHWIC Modular
- 0 to 70°C
Est Value $1,250.00
$601.00
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HWIC-AP-AG-B-AP HWIC, 2 radios( 2.4/5Ghz Ra dios 802.11 a/b/g) FCC Cisco Router High-Speed WAN Interface card
4.2 (5)
- Network Module / Network Card
- Wi-Fi
- 1Gbps
- RJ-45
- TCP/IP
- Modular
- 0 to 70°C
Est Value $700.00
$337.00
51.9% off
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EHWIC-3G-EVDO-S-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-3G-EVDO-S
4.2 (5)
- WAN Module
- 3G EVDO Wireless WAN Module
- N/A
- N/A
- TCP/IP
- Modular
- N/A
Est Value $850.00
$434.00
48.9% off
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HWIC-AP-AG-N-AP HWIC, 2 radios(2.4/5GHz rad ios for 802.11a/b/g) ANZ Cisco Router High-Speed WAN Interface card
4.2 (5)
- Network Module / Network Card
- Wi-Fi
- 1G
- RJ-45
- TCP/IP, UDP
- Modular
- 0 to 70°C
Est Value $700.00
$337.00
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EHWIC-3G-EVDO-V-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-3G-EVDO-V
4.2 (5)
- Network Module
- WAN
- Up to 3.1 Mbps
- EHWIC
- TCP/IP
- Modular
- 0 to 70°C
Est Value $850.00
$434.00
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HWIC-AP-AG-P-AP HWIC, 2 radios(2.4/5GHz rad ios for 802.11a/b/g) Japan Cisco Router High-Speed WAN Interface card
4.2 (5)
- Network Module
- WAN
- 1Gbps
- RJ-45
- TCP/IP / UDP
- HWIC Modular
- 0 to 70°C
Est Value $700.00
$337.00
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EHWIC-3G-EVDO-B-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-3G-EVDO-B
4.2 (5)
- Network Module / Network Card
- EHWIC / WAN
- Up to 3.1Mbps
- N/A
- TCP/IP
- EHWIC
- 0 to 70°C
Est Value $700.00
$434.00
38% off
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Questions & Answers

What is a Cisco EHWIC WAN Card?

A Cisco Enhanced High-Speed WAN Interface Card (EHWIC) is a modular network interface designed for Cisco ISR routers, providing flexible WAN connectivity such as T1/E1, serial, Fiber, or DSL services.

Which Cisco routers support EHWIC WAN Cards?

EHWIC WAN Cards are supported on Cisco 1900, 2900, 3900, 4000 and 4400 Series Integrated Services Routers, each offering one or more EHWIC slots for modular expansion.

How do I install an EHWIC WAN Card into a compatible router?

Power off the router, insert the EHWIC card into an available EHWIC slot until it clicks, secure it with the captive screw, then power on and verify detection with the show hw-module command.

What bandwidth and performance do EHWIC cards support?

EHWIC cards support up to 50 Mbps per card and deliver scalable performance based on the router’s performance license tier, ensuring optimal throughput for enterprise applications.

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EHWIC-4G-LTE-A-Cisco EHWIC-4G-LTE-A 4G wirels s module, US-AT&T Wireless, LTE band 17 (700 MHz) & band 4

EHWIC-4G-LTE-JP-Cisco EHWIC-4G-LTE-JP, Japen-N TT Docomo, LTE band 1 (2100 MHz)

EHWIC-4G-LTE-BE-Cisco EHWIC-4G-LTE-BE, Canada- Bell, Telus, Rogers, LTE AWS band 4 (1700/2100 MHz)

EHWIC-VA-DSL-B-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-VA-DSL-B

EHWIC-D-8ESG-Cisco 1900 2900 3900 Router EH WIC WAN Card EHWIC-D-8ESG - Ethernet Switch Card

EHWIC-4G-LTE-G-Cisco EHWIC-4G-LTE-G, Europe, LTE band 1, 3, 7, 8, 20 (800(B20), 900(B8), 1800(B3), 2100(B1), 2600(B7) MHz)

HWIC-4B-S/T-4-port ISDN BRI High-Speed WAN Interface Card Cisco Router High-Speed WAN Interface card

HWIC-1FE-1-port 10/100 Routed Port HWIC Cisco Router High-Speed WAN Interface card

HWIC-2A/S-2-Port Async/Sync Serial WAN I nterface Card Cisco Router High-Speed WAN Interface card

HWIC-1ADSL-1-port ADSLoPOTS HWIC Cisco Ro uter High-Speed WAN Interface card

HWIC-4ESW-Four port 10/100 Ethernet swit ch interface card Cisco Router High-Speed WAN Interface card

EHWIC-D-8ESG-P-Cisco 1900 2900 3900 Router EH WIC WAN Card EHWIC-D-8ESG-P - Ethernet Switch Card

HWIC-1ADSL-M-1-port ADSL HWIC w/Annex M Cis co Router High-Speed WAN Interface card

HWIC-ADSLI-B/ST-2-port HWIC w/ 1-port ADSLoISD N and 1-port ISDN BRI-S/T Cisco Router High-Speed WAN Interface card

HWIC-AP-AG-B-AP HWIC, 2 radios( 2.4/5Ghz Ra dios 802.11 a/b/g) FCC Cisco Router High-Speed WAN Interface card

EHWIC-3G-EVDO-S-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-3G-EVDO-S

HWIC-AP-AG-N-AP HWIC, 2 radios(2.4/5GHz rad ios for 802.11a/b/g) ANZ Cisco Router High-Speed WAN Interface card

EHWIC-3G-EVDO-V-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-3G-EVDO-V

HWIC-AP-AG-P-AP HWIC, 2 radios(2.4/5GHz rad ios for 802.11a/b/g) Japan Cisco Router High-Speed WAN Interface card

EHWIC-3G-EVDO-B-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-3G-EVDO-B

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What is a Cisco EHWIC WAN Card?

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EHWIC-4G-LTE-A-Cisco EHWIC-4G-LTE-A 4G wirels s module, US-AT&T Wireless, LTE band 17 (700 MHz) & band 4

EHWIC-4G-LTE-JP-Cisco EHWIC-4G-LTE-JP, Japen-N TT Docomo, LTE band 1 (2100 MHz)

EHWIC-4G-LTE-BE-Cisco EHWIC-4G-LTE-BE, Canada- Bell, Telus, Rogers, LTE AWS band 4 (1700/2100 MHz)

EHWIC-VA-DSL-B-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-VA-DSL-B

EHWIC-D-8ESG-Cisco 1900 2900 3900 Router EH WIC WAN Card EHWIC-D-8ESG - Ethernet Switch Card

EHWIC-4G-LTE-G-Cisco EHWIC-4G-LTE-G, Europe, LTE band 1, 3, 7, 8, 20 (800(B20), 900(B8), 1800(B3), 2100(B1), 2600(B7) MHz)

HWIC-4B-S/T-4-port ISDN BRI High-Speed WAN Interface Card Cisco Router High-Speed WAN Interface card

HWIC-1FE-1-port 10/100 Routed Port HWIC Cisco Router High-Speed WAN Interface card

HWIC-2A/S-2-Port Async/Sync Serial WAN I nterface Card Cisco Router High-Speed WAN Interface card

HWIC-1ADSL-1-port ADSLoPOTS HWIC Cisco Ro uter High-Speed WAN Interface card

HWIC-4ESW-Four port 10/100 Ethernet swit ch interface card Cisco Router High-Speed WAN Interface card

EHWIC-D-8ESG-P-Cisco 1900 2900 3900 Router EH WIC WAN Card EHWIC-D-8ESG-P - Ethernet Switch Card

HWIC-1ADSL-M-1-port ADSL HWIC w/Annex M Cis co Router High-Speed WAN Interface card

HWIC-ADSLI-B/ST-2-port HWIC w/ 1-port ADSLoISD N and 1-port ISDN BRI-S/T Cisco Router High-Speed WAN Interface card

HWIC-AP-AG-B-AP HWIC, 2 radios( 2.4/5Ghz Ra dios 802.11 a/b/g) FCC Cisco Router High-Speed WAN Interface card

EHWIC-3G-EVDO-S-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-3G-EVDO-S

HWIC-AP-AG-N-AP HWIC, 2 radios(2.4/5GHz rad ios for 802.11a/b/g) ANZ Cisco Router High-Speed WAN Interface card

EHWIC-3G-EVDO-V-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-3G-EVDO-V

HWIC-AP-AG-P-AP HWIC, 2 radios(2.4/5GHz rad ios for 802.11a/b/g) Japan Cisco Router High-Speed WAN Interface card

EHWIC-3G-EVDO-B-Cisco 3900 Router EHWIC WAN Ca rd EHWIC-3G-EVDO-B

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What is a Cisco EHWIC WAN Card?

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