I have these myself and just ordered another set for a customer and saw they were a good price although Ebuyer stiff me a tenner every time I order something to N. Ireland... thankfully I'm not paying this time...
Select super saver delivery to get this price... Cheers.
This homeplug twin pack with PLC passthrough product for transmitting data up to 200Mbps across the household power line, and every power socket becomes a connection, which is suitable for use in a wide range of both residential (in-home) and commercial (offices, apartments, hotels, warehouses) network applications. No cables, no drilling. These adapters enable the effortless creation of a high-speed network that supports video, voice and data.
Wallmount type and power voltage range of 85 to 265 VAC 50/60Hz
HomePlug AV compliant and Co-existence with HomePlug 1.0 Nodes
Support QAM 1024/256/64/16/8, QPSK, BPSK, and ROBO modulation schemes
PLC Up to 200 Mbps data rate on the power line.
128-bit AES Link Encryption for PLC
In-buliding an outlet can plug other electronic devices and suppress the out-band noise which being maken by them
Windowed OFDM with noise mitigation based on patented line synchronization techniques improves data integrity in noisy conditions
Dynamic channel adaptation and channel estimation maximizes throughput in
harsh channel conditions
TDMA and priority-based CSMA/CA channel access schemes maximize efficiency and throughput
Integrated Quality of Service (QoS) Enhancements: contention-free access,
four-level priority based contention access, and multi segment bursting
ToS and CoS Packet Classifiers and IGMP managed multicast sessions
High Definition (HD) and Standard Definition (SD) video distribution
Higher data rate broadband sharing for power line LAN
Shared broadband internet access
TV over IP (IPTV) and Voice over Internet Protocol (VoIP)