A network adapter has to match both the host device and the required connection. This network adapter buying guide helps compare the specialised and legacy interfaces currently listed at Richcom in Sri Lanka.
Compare the current Network Adapters range and prices in Sri Lanka. Use this guide to decide what to check, then read the complete specification on your chosen listing.
Network Adapter Buying Guide: Identify the host interface
The examples include CardBus adapters and a Cisco HWIC module. CardBus is a legacy laptop expansion interface, while HWIC modules fit specified router platforms. Neither should be treated as a generic USB network adapter. Check the available slot and the exact supported host before considering link speed or price.
Distinguish Ethernet from serial WAN
The Edimax examples provide RJ45 Ethernet connections at stated Fast Ethernet or Gigabit speeds. The Cisco HWIC-1T provides a Smart Serial WAN interface instead. These solve different networking needs. Match the cable and protocol to the actual link; a serial WAN interface is not an extra RJ45 LAN port.
Check drivers and platform support
For a laptop adapter, confirm operating-system driver support and the physical CardBus slot. For a router module, confirm supported router models and software versions using the manufacturer documentation. Legacy hardware can be valuable for an existing installation, but it is not automatically the right choice for a new computer. Share the host model before ordering.
Current Richcom listings to compare
These are examples from the published catalogue, rather than a complete shortlist for every application. Prices are in LKR, checked on 10 October 2026. Follow each link for the current price, availability, ordering conditions and full specification.
| Listed product | Listed price (LKR) |
|---|---|
| Cisco (USA) 1-Port Serial WAN Interface Card – HWIC-1T | 62,500 |
| Edimax (Taiwan) Gigabit Ethernet CardBus Network Adapter – EP-4203DL | 7,500 |
| Edimax (Taiwan) Fast Ethernet CardBus Network Adapter – EP-4103DL | 7,500 |



Before ordering
- Identify CardBus, USB, PCIe or router-module interface.
- Match Ethernet or serial WAN function.
- Verify drivers, platform support and cables.
- Read the individual warranty and confirm delivery or collection arrangements.
For a suitable shortlist, tell us the equipment you use and the result you need. Include model numbers and the relevant compatibility details. Contact Richcom Technology at [email protected] with your requirements.
Frequently asked questions
Can a CardBus adapter connect to a USB port?
No. It needs the correct CardBus host interface.
Is Cisco HWIC-1T a Gigabit Ethernet adapter?
No. The current listing identifies a Smart Serial WAN interface.

