Your search for "SFP-1G" revealed the following:

NEW Cisco C1000FE-24P-4G-L 24x FE PoE+ RJ45 2x 1GB Combo 2x 1GB SFP Switch

SKU: NSN-0715
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco ASR-920-4SZ-A 2x 1GB RJ45 4x 10GB SFP+ AC Router Metro Access Version

SKU: NSH-5771
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Cisco C9300L-48PF-4G-A 48x 1GB Full PoE+ RJ45 4x 1GB SFP Net Advantage Switch

SKU: NSB-5263
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Cisco GLC-ZX-SM-RGD 1GB BASE-ZX 1550nm 80km LC SMF SFP Transceiver

SKU: NSH-2114
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco Meraki MS130-24X-HW 18x 1G 6x 2.5G PoE+ 4x 10G SFP+ Unclaimed Switch

SKU: NSN-0499
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco C9300L-48UXG-4X-A 48x 1GB UPoE RJ45 (12x MultiGB) 4x SFP+ Switch

SKU: NSN-6531
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco C9300L-24T-4X-A 24x 1GB RJ45 4x 10GB SFP+ Switch

SKU: NSN-5293
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco C9300-48S-E Catalyst 9300 48x 1GB SFP 1x Expansion Module Slot Switch

SKU: NSB-7030
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Cisco WS-C3650-24TD-E Catalyst 3650 24x 1GB RJ45 2x 10GB SFP+ 2x 1GB SFP Switch

SKU: NSH-2697
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco C9300L-24T-4G-E Catalyst 9300L 24x 1GB RJ45 4x 1GB SFP Switch

SKU: NSN-5301
Condition: New
Shipping: Overnight Options
Warranty: 365 days