Cisco HWIC-1B-U | 1-Port ISDN BRI (U) Interface High-Speed WAN Interface Card

1. Interface Type: ISDN BRI (U)
2. Data Transfer Rate: 128 Kbps
3. Connectivity Technology: Wired
4. Expansion Slots: 1 x expansion slot
5. Compatibility: Cisco 1841, 1861, 2801, 2811, 2821, 2851, 3825, 3845, 1941, 2901, 2911, 2921, 2951, 3925, 3945 routers
6. Dimensions: 3.1 x 0.8 x 4.7 inches
7. Weight: 2.4 ounces
8. Protocols: PPP, MLPPP, FRF.8, FRF.9, HDLC
9. Max Operating Temperature: 104°F
10. Min Operating Temperature: 32°F
11. Humidity Range Operating: 10-85% (non-condensing)
12. Power Consumption Operational: 3 Watt

Notes:
1. This interface card is ideal for small to medium-sized businesses that require high-speed internet connectivity.
2. It supports multiple protocols, making it versatile and easy to integrate into existing networks.
3. The compact size and low power consumption make it a cost-effective solution for businesses with limited space and resources.