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

Cisco DWDM-SFP-3661 1GB BASE-DWDM 1536.61nm SMF LC SFP Transceiver

SKU: NSB-6014
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell N3024ET-ON 24x 1GB RJ45 2x 10GB SFP+ 2x 1GB Combo Switch

SKU: NSN-2203
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

NEW Juniper EX4300-32F-TAA 32x 1GB SFP 4x 10GB SFP+ 2x 40GB QSFP+ (TAA) Switch

SKU: NSN-3462
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Cisco C9300L-24P-4G-A 24x 1GB PoE+ RJ45 4x 1GB SFP Switch

SKU: NSN-4971
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista SFP-10G-T 10GBASE-T Copper RJ45 30m Cat6a SFP+ Transceiver

SKU: NSN-5770
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell N3024P 24x 1GB PoE (12 PoE+) RJ45 2x 10GB SFP+ 2x 1GB Combo Switch

SKU: NSN-2677
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper RX-550M-SFP 1GB BASE-SX 850nm MMF LC SFP Transceiver

SKU: NSN-7095
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco CBS350-8S-E-2G-NA 8x 1GB SFP 2x 1GB Combo Switch

SKU: NSB-7795
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper SRX-IOC-16GE-SFP SRX5000 Series 16x 1GB SFP Services Gateway Module

SKU: NSN-2036
Condition: New
Shipping: Overnight Options
Warranty: 365 days