Your search for "SFP-1G" revealed the following:
NEW Cisco C9300X-12Y-A Catalyst 9300X 12x 25GB SFP28 1x Exp Module Slot Switch
SKU: NSN-0498
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper DPCE-R-40GE-SFP 40x 1GB SFP Enhanced Services Router Line Card
SKU: NSN-1593
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Allied Telesis AT-x230-10GP x230 Series 8x 1GB PoE+ RJ45 2x 1GB SFP Switch
SKU: NSB-2602
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper PB-8GE-TYPE2-SFP-IQ2 M320 Series 8x 1GB SFP Router Module
SKU: NSB-2709
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco WS-C2960L-16TS-LL Catalyst 2960L 16x 1GB RJ-45 2x 1GB SFP Switch
SKU: NSH-6276
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco ASR1002-10G-SHA/K9 ASR 1000 4x 1GB SFP 3x Open SPA Slot Router w/ ESP10
SKU: NSH-5304
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Ruckus ICX7150-48-4X1G Brocade 48x 1GB RJ45 4x 1GB SFP 2x 1GB RJ45 Switch
SKU: NSN-7939
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco ASR1002X-10G-SECK9 ASR 1000 Series 6x 1GB SFP 3x Open SPA Slot Router
SKU: NSH-9094
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
10GTek SFP-T 1GB BASE-T Copper RJ45 100m SFP Transceiver
SKU: NSB-3001
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