1167. Appendix A. 802.11b/g Specification802.11b/g channel frequencyChannel ID FCC (US)(GHz)ETSI (Europe)(GHz)1 2.412 2.4122 2.417 2.4173 2.422 2.4224 2.427 2.4275 2.432 2.4326 2.437 2.4377 2.442 2.4428 2.447 2.4479 2.452 2.45210 2.457 2.45711 2.462 2.462*12 — 2.467*13 — 2.472**Antenna Gain- Main2.4GHz : 2.872.45GHz : 2.93- Aux2.4GHz : 2.712.45GHz : 2.97*RF Modulation Type- IEEE 802.11g : BPSK, QPSK, 16QAM, QFDM- IEEE 802.11b : DQPSK, DBPSK, DSSS, CCK7 Appendix A