IQM_AF_AGC_RF__A
rc = drxj_dap_write_reg16(dev_addr, IQM_AF_AGC_RF__A, agc_rf, 0);
rc = drxj_dap_read_reg16(dev_addr, IQM_AF_AGC_RF__A, &rf_gain, 0);
status = write16(state, IQM_AF_AGC_RF__A, 0);