D-Link DGS 1008D - Switch - unmanaged

Cisco Catalyst 3650-24PWS-S - Switch - L3 - Managed - 24 x 10/100/1000 (PoE+) + 4 x SFP+ - desktop, rack-mountable - PoE+ (390 W)

• Built on Cisco unified access data plane (UADP) application-specific integrated circuit (ASIC) with programmability to support Cisco ONE enterprise networks architecture and software-defined networking (SDN)
• Integrated wireless LAN controller functionality
• Native flexible NetFlow (FnF) on all ports
• Granular, hierarchical bandwidth management
• Cisco TrustSec support
• Support for up to 25 access points and 1000 wireless clients on each switch or stack

StarTech.com Extreme Networks 10056H Compatible SFP Module, 1000BASE-BX-D, 1 Gigabit Ethernet Bi-Directional (BiDi) Fiber Single Strand SFP (SMF), LC 10km, Mini GBIC Transceiver SFP Module - Lifetime Warranty (10056H-ST) - SFP (mini-GBIC) transceiver module (equivalent to: Extreme Networks 10056H) - 1GbE - 1000Base-BX-D - LC single-mode - up to 10 km - 1310 (RX) / 1490 (TX) nm

DIGITUS DN-81630 - QSFP28 transceiver module - 100GbE - 100GBase-CWDM4 - MTP/MPO multi-mode - up to 100 m - 850 nm· Four-channel full-duplex transceiver modules
· Transmission data rate up to 26Gbit/s per channel
· Up to 70m on OM3 Multimode Fiber (MMF)and 100m on OM4 MMF
· Low power consumption <3.5W
· Operating case temperature 0°C to +70°C
· 3.3V power supply voltage
· RoHS 6 compliant
· Hot Pluggable QSFP form factor
· Integrated digital diagnostic function

LogiLink EDoor/Window SH0003 - Door and window sensor - wireless - Bluetooth 4.0

• Bluetooth 4.0
• Display open/close state of doors, windows, cabinets, and safes
• History record of door or window status
• Link feature enable various conditions to activate your smart life, i.e. leave home then turn off light