... , the products have the main features: perfect support for IEEE 802.11b (2.4GHz) hotspot coverage in public places ... hotels, offices, clubs, shopping malls, hospitals, streets3, KASENS 518G parametersStandard IEEE 802.11b / gInterface USB 2.0/1.1Frequency 2.412GHZ ... use of the environment must be in accordanceModulation IEEE 802.11b: DBPSK / DQPSK / CCK, IEEE 802.11g: BPSK, QPSK, 16QAM, 64QAMTransfer ...