Your search for "sfp-1g" revealed the following:

Cisco WS-C3650-48PWS-S 48x 1GB PoE+ RJ-45 4x 1GB SFP IPB Switch w/ 5x APL

SKU: NSB-3567
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco Meraki MS410-32-HW MS410 32x 1GB SFP 4x 10GB SFP+ Unclaimed Switch

SKU: NSN-3587
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Finisar FCLF-8520-3 1GB BASE-T RJ45 Optical SFP Transceiver

SKU: NSB-7107
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco Meraki MS130-48X-HW 40x 1G 8x 2.5G PoE+ 4x 10GB SFP+ Unclaimed Switch

SKU: NSN-0494
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco C1000-8P-2G-L Catalyst 1000 8x 1GB PoE+ RJ45 2x 1GB Combo Switch

SKU: NSB-7650
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Osi QFX-SFP-1GE-LX-OSI 1GB BASE-LXD SMF 1310nm Juniper Comp SFP Transceiver

SKU: NSB-1128
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco DWDM-SFP-4214 1GB BASE-DWDM 1542.14nm SMF LC SFP Transceiver

SKU: NSN-9108
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco DWDM-SFP-3033 1GB BASE-DWDM 1530.33 nm SMF LC SFP Transceiver

SKU: NSN-9105
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco C9300L-48PF-4X-A 48x 1GB Full PoE+ RJ45 4x 10GB SFP+ Switch

SKU: NSN-6530
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco ASR1001-4X1GE ASR 1000 Series 4x 1GB SFP 4X1GE IDC Router

SKU: NSN-2233
Condition: New
Shipping: Overnight Options
Warranty: 365 days