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Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.

Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement

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All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

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RMA protocol keeps it smooth.
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Name: |
C1861W-SRST-B/K9 |
Description: | 1861,WLAN,8-user SRST/CME,4FXS,2BRI,8xPOE,SP Svcs,HWIC slot |
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Shipping as per your need
Same-day Shipping

Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.

Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.

International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines

Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.

Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.

Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
14-Day Money Back Guarantee
Free 14-Day Returns

Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.

Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.

Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement

Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.

Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.

RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN







C1861W-SRST-B/K9 Overview
C1861W-SRST-B/K9 is built on a fixed, integrated architecture with an AC power supply design that supports dual WAN interfaces and four LAN Ethernet 10/100 ports. It is equipped with modular expansion capabilities via a NIM slot and integrates advanced voice and video services for seamless enterprise connectivity.
C1861W-SRST-B/K9 supports robust VPN features such as IPSec, SSL VPN, DMVPN, and GRE, delivering up to 0.085 Gbps throughput along with redundancy and high availability support. Its optimized performance, stateful firewall protection with intrusion prevention and malware protection, and remote management via SSH, Telnet, and SNMP make it ideally suited for business and small business branch deployments.
What is the price of C1861W-SRST-B/K9?
Lowest price of C1861W-SRST-B/K9 is $ 0.00. Shop now discounts with bulk quotation for C1861W-SRST-B/K9
C1861W-SRST-B/K9 Specifications
Product Type | Enterprise Router |
VPN Support | IPSec / SSL VPN / DMVPN / GRE |
Power Source | AC Power Supply |
Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
Broadband | N/A |
Architecture | Fixed |
WAN Configuration | Dual WAN |
WAN Ports | 2 WAN |
LAN Ports | 4 LAN Ports |
Ethernet Technology | 10/100 |
Wi-Fi Standard | WiFi 4 |
Connectivity Type | Wired / Wireless |
Network Protocols | IPv4, IPv6 |
Remote Management | SSH, Telnet, SNMP |
Compliance Standards | FCC, CE, UL |
Wireless Support | Yes |
Speed/Capacity | Gigabit |
Firewall Features | Yes |
Features | VPN, Firewall, Integrated Services, IPv6 Compatible |
Use Case | Business / Small Business |
Management | Managed |
Form Factor | Desktop |
Integrated Services | Voice, Video |
High Availability Support | Supported |
Safety | N/A |
EMC | N/A |
Telecom | N/A |
Throughput Capacity | 0.085 Gbps |
QoS Features | Supported |
Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection |
Expansion Slots | NIM |
Modular Slots Available | 2 Slots |
Stacking Capability | No |
5G Support | No |
Memory | 256 MB |
Flash Memory | 256 MB |
Interface Ports | RJ-45 |
Power | 40W |
Device Type | Router |
Product Name | Cisco 1861 Wireless Services Router |
Height | N/A |
Width | N/A |
Depth | N/A |
Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.







Product Comparison Table
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Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Universal Edge Router | Wireless Router |
Connectivity Type | Wired | Wired / Wireless | Wired | Wired | Wired |
Broadband | N/A | N/A | N/A | N/A | N/A |
Power Source | AC Power Supply / Redundant | AC Power Supply | AC Power Supply / Redundant | Dual AC Power Supply / Redundant | AC Power Supply |
Architecture | Fixed | Fixed | Modular | Modular | Fixed |
WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | WAN |
WAN Ports | 2 WAN | 2 WAN | 2 WAN | Modular WAN | 1 WAN |
LAN Ports | 4 LAN Ports | 4 LAN Ports | 8 LAN Ports | Modular LAN | 4 LAN Ports |
Ethernet Technology | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 / 10G | 10/100/1000 |
Wi-Fi Standard | N/A | WiFi 4 | N/A | N/A | WiFi 6 |
Wireless Support | No | Yes | No | No | Yes |
Speed/Capacity | Gigabit | Gigabit | Gigabit | 10G | Gigabit |
Routing Protocols Supported | - | - | - | - | - |
VPN Support | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / DMVPN / GRE | IPSec / SSL VPN | IPSec / SSL VPN | N/A |
Firewall Features | Yes | Yes | Yes | Yes | Yes |
Features | VPN / IPv6 Compatible / Firewall / MPLS | VPN, Firewall, Integrated Services, IPv6 Compatible | VPN, IPv6 Compatible, Firewall | VPN / MPLS / IPv6 Compatible / Firewall / High Availability | IPv6 Compatible, Firewall, QoS |
Use Case | Enterprise | Business / Small Business | Enterprise | Service Provider / Enterprise | Small Business |
Management | Managed | Managed | Managed | Managed | Managed |
Form Factor | Rack-mount | Desktop | Rack-mount | Rack-mount / Chassis | Desktop |
Integrated Services | Voice / Video / WAN Optimization | Voice, Video | Voice, Video, WAN Optimization | Voice / WAN Optimization / Security | N/A |
High Availability Support | Supported | Supported | Supported | Supported | Not Supported |
Throughput Capacity | 2 Gbps | 0.085 Gbps | 1 Gbps | 240 Gbps | 1.5 Gbps |
QoS Features | Supported | Supported | Supported | Supported | Supported |
Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall |
Expansion Slots | N/A | NIM | NIM | NIM / SM-X | N/A |
Modular Slots Available | N/A | 2 Slots | 3+ Slots | 3+ Slots | N/A |
Stacking Capability | No | No | Yes | No | No |
5G Support | No | No | No | No | No |
Memory | 4 GB | 256 MB | 4 GB | 4 GB | 512 MB |
Flash Memory | 2 GB | 256 MB | 512 MB | 256 MB | 128 MB |
Interface Ports | RJ-45 / SFP | RJ-45 | RJ-45, SFP | RJ-45 / SFP+ | RJ-45 |
Device Type | Router | Router | Router | Router | Router |
Product Name | Cisco ASR1001X-AIS-AX | Cisco 1861 Wireless Services Router | C1113-8PMWE Series Router | MX204 | TP-Link Archer AX10 |
Height | 1.73 inches | N/A | 1.75 inches | 3.5 inches | 1.77 inches |
Width | 17.0 inches | N/A | 17.5 inches | 19 inches | 9.02 inches |
Depth | 16.1 inches | N/A | 12 inches | 18 inches | 6.06 inches |
Weight | 30 lbs | N/A | 5 lbs | 25 lbs | 2 lbs |
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