The Teltonika TSW304 unmanaged Layer 2 switch connects devices through four Gigabit Ethernet RJ45 ports and features an integrated DIN rail mounting bracket. It is powered via an industrial two-pin connector and has an aluminum enclosure. It supports jumbo frames up to 9216 bytes and operates in temperatures from -40 °C to 75 °C.

• Type: Unmanaged Layer 2 switch
• Ethernet ports: 4 RJ45, 10/100/1000 Mbps, with automatic MDI/MDIX crossover
• Ethernet standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3az
• Bandwidth: 8 Gbps non-blocking
• Packet memory: 128 KB
• MAC address table: 2000 entries
• Jumbo frames: Up to 9216 bytes
• Power supply: Industrial two-pin connector, 7–57 VDC or 9–40 VAC
• Mounting: Integrated DIN rail mounting bracket, rack-mountable
• Enclosure: Aluminum
• Dimensions: 102 × 25 × 81.5 mm
• Weight: 210 g
• Operating temperature: -40 °C to 75 °C
• Operating humidity: 10% to 90%
• Protection rating: IP30
• Compliance: CE, RoHS, FCC