Quick overview from the supplier:
USB Wireless Adapter NEC NP05LM4
USB Wireless LAN for projectors P, Mxx3, ME, MC, UMxx1, UMxx2 series.
Image transfer via WLAN
Control and monitoring of projectors via WLAN
(PC Control Utility Pro 4.0 / HTTP access via browser)
Virtual Remote via WLAN
Operating Voltage
5V (power supplied from the projector)
Certification
WEP64/128
Encryption
WPA/WPA-2
PSK(AES,TKIP)
Supported models
UM301W; UM301Wi; UM301X; UM301Xi UM351W; UM351Wi; UM361X; UM361Xi; UM352Wi; P502HL
M323X; M323W; M323H; M363X; M363W; M403X; M403W; M403H; M303WS; M333WS; M353WS
ME382U; ME372W; ME402X; MC342X; MC332W; P525UL; P525WL; P603X; P554W; P554U
