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