Brand procurement
Browse CISCO products for Catalyst and Nexus switching, ISR and Catalyst routing, Secure Firewall, enterprise wireless, optics, modules and software subscriptions. Compare exact models, reference prices, availability requirements, official technical references and procurement requirements from YYST Global.

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WS-C4503-E-S2+48 is the Cisco Catalyst 4503-E data bundle with one 1000AC supply, one Supervisor II-Plus and one WS-X4148-RJ module. The E chassis suffix distinguishes it from WS-C4503-S2+48.

WS-C4503-E-S2+48V is the Cisco Catalyst 4503-E PoE bundle recorded with one 1300AC supply, one Supervisor II-Plus and one WS-X4248-RJ45V module. It is not the S2+48 data bundle.

WS-C4503E-S6L-1300 is a Cisco Catalyst 4503-E bundle with a Supervisor 6L-E, one WS-X4648-RJ45V+E line card and a 1300W power supply. Confirm the fitted parts against the quotation.

WS-C4507R-E is a seven-slot Cisco Catalyst E-Series chassis with supervisor positions 3 and 4 and five switching-module positions. Supervisor 8-E/8L-E requires chassis hardware revision 2.0 or higher.

WS-C4503-E is a Cisco Catalyst 4500 E-Series three-slot chassis. Slot 1 is for one supervisor; slots 2 and 3 accept switching modules. It does not support a redundant supervisor pair.

WS-C4503-S2+48 is a legacy Cisco Catalyst 4503 bundle: one 1000AC supply, one Supervisor II-Plus and one WS-X4148-RJ 48-port 10/100 module. The access module is not a 48-port Gigabit card.

C9400-S-BLANK= is Cisco’s slot blank cover for the Catalyst 9400 Series. Cisco lists C9400-PWR-BLANK= separately as the power-supply blank cover, so the two blanking components are not interchangeable order identities.

Cisco IE-4000-8T4G-E is an industrial Ethernet switch with eight Fast Ethernet copper downlinks and four Gigabit combo uplinks. It is not the 8GT Gigabit-downlink variant.
CISCO buyers should validate software and license tier, PoE budget and uplink module, airflow, power supply and stacking compatibility. Use the active catalog below to compare exact part numbers and open each product page for specification, condition, price and official-source details.
Start with the exact manufacturer part number rather than the marketing family name. Then compare the technical configuration, included licenses and accessories, product condition, warranty responsibility, lead time and destination-specific requirements. For replacements, validate interoperability with the installed software, optics, power and management platform.
YYST Global product pages provide model-level specifications and official manufacturer references where available. Procurement teams can use these pages to prepare a bill of materials and then request confirmation of quantity, serial-number availability, shipping and acceptance terms.
Condition: New Factory Sealed
AIR-ANT2422SDW-R is a very short white indoor 2.4 GHz omnidirectional antenna with 2.5 dBi peak gain and an RP-TNC connector. It measures 1.7 inches long.US$ 45.00
Condition: New Factory Sealed
AIR-ANT5140V-N is a direct-mount 5 GHz omnidirectional antenna for Cisco mesh access points. It covers 5.25-5.875 GHz, provides 4 dBi gain and uses an N-male connector without an attached cable.US$ 45.00
Condition: New Factory Sealed
AIR-ANT2547V-N is a direct-mount outdoor dual-band omnidirectional antenna with 4 dBi gain at 2.4 GHz and 7 dBi at 5 GHz. It uses an N-male connector and is rated IP66/IP67.US$ 45.00
Condition: New Factory Sealed
AIR-ANT25137NP-R is one Cisco six-element dual-band MIMO patch-array antenna with 13 dBi gain at 2.4 GHz and 7 dBi at 5 GHz. It includes 36-inch RP-TNC male leads and an IP65-rated radome.US$ 45.00
Condition: New Factory Sealed
AIR-ANT2422DB-R is a legacy black swivel dipole antenna for 2.4 GHz Cisco Aironet radios. Cisco specifies 2.2 dBi gain and an RP-TNC connector.US$ 45.00
Condition: New Factory Sealed
AIR-ANT2420V-N is a direct-mount 2.4 GHz omnidirectional antenna for Cisco mesh access points. It provides 2 dBi gain, uses an N-male connector and has no attached cable.US$ 45.00
Condition: New Factory Sealed
AIR-ANT2450S-R is a legacy Cisco 2.4 GHz sector antenna rated at 5 dBi with a 135-degree sector pattern and RP-TNC connection. It is directional sector hardware, not an omnidirectional ceiling antenna.US$ 45.00
Condition: New Factory Sealed
AIR-ANT24020V-R is a 2.4 GHz indoor diversity omnidirectional ceiling antenna with 2.2 dBi peak gain, two three-foot plenum-rated leads and RP-TNC connectors.US$ 45.00
Condition: New Factory Sealed
AIR-ANT25137NP-R4 is Cisco's quantity-four order for the AIR-ANT25137NP-R six-element dual-band patch array. Each antenna is rated at 13 dBi for 2.4 GHz and 7 dBi for 5 GHz and uses RP-TNC male leads.US$ 45.00
Condition: New Factory Sealed
AIR-ANT2566P4W-R is a four-element indoor/outdoor directional patch antenna with 6 dBi gain in both 2.4 GHz and 5 GHz bands. It uses four 36-inch plenum-rated RP-TNC male leads.US$ 45.00
Condition: New Factory Sealed
AIR-ANT2451NV-R is a six-element low-profile indoor ceiling antenna covering 2.4 GHz and 5 GHz. Cisco specifies 2.5 dBi and 3.5 dBi peak gain, three-foot plenum-rated leads and RP-TNC plugs.US$ 45.00
Condition: New Factory Sealed
AIR-ANT2451V-R is a four-element indoor omnidirectional antenna for 2.4 GHz and 5 GHz Cisco Aironet radios using RP-TNC connectors. It provides 2 dBi gain at 2.4 GHz and 3 dBi at 5 GHz.US$ 45.00
Condition: New Factory Sealed
C1-CISCO4321/K9 is the Cisco ONE ISR 4321 hardware order with IP Base: two onboard gigabit ethernet interfaces, two nim slots and one isc slot; no service-module slot is listed for the base isr4321 and 4 gb flash and 4 gb dram by default. Verify Cisco ONE entitlement ownership, performance license and lifecycle risk before purchase.US$ 1,257.00
Condition: New Factory Sealed
C1-CISCO4351/K9 is the Cisco ONE ISR 4351 hardware order with IP Base: three onboard gigabit ethernet interfaces, three nim slots, one isc slot and two service-module slots and 4 gb flash and 4 gb dram by default. Verify Cisco ONE entitlement ownership, performance license and lifecycle risk before purchase.US$ 1,957.00
Condition: New Factory Sealed
ISR4331-AX/K9 is the Cisco ISR 4331 AX Application Experience Bundle combining APP and SEC licensing with the three-GE ISR4331 platform. Verify WAAS/application scope and entitlement state before purchase.US$ 1,571.00
Condition: New Factory Sealed
ISR4331-SEC/K9 is the Cisco ISR 4331 Security Bundle with IP Base and advanced security licensing. It uses the three-GE ISR4331 platform and is distinct from AX, voice and bare-router orders.US$ 1,400.00
Condition: New Factory Sealed
ASA5525-K9 is the Cisco ASA 5525-X Firewall Edition appliance with 3DES/AES: eight copper gigabit ethernet data ports plus one copper gigabit ethernet management port, 750 ipsec vpn peers and 2 ssl vpn peers in cisco's ordering description and one ac power supply. Cisco support ended September 30, 2025; verify migration risk before purchase.US$ 3,850.00
Condition: New Factory Sealed
ASA5545-K9 is the Cisco ASA 5545-X Firewall Edition appliance with 3DES/AES: eight copper gigabit ethernet data ports and one copper gigabit ethernet management port, 2,500 ipsec vpn peers and 2 ssl vpn peers in cisco's ordering description and one ac power supply. Cisco support ended September 30, 2025; verify migration risk before purchase.US$ 9,560.00
Condition: New Factory Sealed
A9K-MPA-1X100G-FC is the Cisco ASR 9000 one-port 100 Gigabit Ethernet Modular Port Adapter FCM order variant with one 100ge interface. Verify modular-line-card bay, IOS XR, optics, FEC and FC/FCM order scope before purchase.US$ 4,910.00
Condition: New Factory Sealed
A9K-MPA-1X200G-FC is the Cisco ASR 9000 one-port 200 Gigabit Ethernet Modular Port Adapter FCM order variant with one 200ge interface. Verify modular-line-card bay, IOS XR, optics, FEC and FC/FCM order scope before purchase.US$ 5,320.00