.. _RF相关性能指标: RF相关性能指标 ========================================= BLE ################################################################ AW30N BLE在发射功率为0dBm档位条件下，测到 **BLE灵敏度性能** 如下： ============= ========== ========== ================ ================ 芯片BLE灵敏度 1Mbps 2Mbps Long range(S2) Long range(S8) ============= ========== ========== ================ ================ 2402 -97dBm -92dBm -99dBm -104dBm 2440 -97dBm -94dBm -98dBm -104dBm 2448 -95dBm -93dBm -97dBm -97dBm 2480 -97dBm -94dBm -99dBm -104dBm ============= ========== ========== ================ ================ AW30N BLE在发射功率为0dBm档位条件下，测到 **BLE实际发射功率性能** 如下： =============== ========== ========== ================ ================ 芯片BLE发射功率 1Mbps 2Mbps Long range(S2) Long range(S8) =============== ========== ========== ================ ================ 2402 0.10dBm 0.07dBm 0.00dBm 0.00dBm 2440 0.40dBm 0.40dBm 0.36dBm 0.31dBm 2448 0.47dBm 0.48dBm 0.37dBm 0.34dBm 2480 0.42dBm 0.44dBm 0.32dBm 0.29dBm =============== ========== ========== ================ ================ | AW30N **蓝牙发射功率** 在不同芯片封装及其发射功率会有不同的波动，实际值会在配置值附近波动 | 具体波动范围为正负2dB，这属于正常现象。 BLE蓝牙距离 ################################################################ +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | | 半双工对讲机 | 全双工对讲机 | 广播式对讲机 | +============================+======================================================+======================================================+============================================================================+ | 测试SDK版本 | AW30N-release_v1.4.0 | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 通话模式 | 半双工对讲（单向发送音频） | 全双工对讲（同时双向发送音频） | 单向发送音频 | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | PHY调制 | 1M | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 发射功率 | 8dBm | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 帧长(编码间隔) | 20ms | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | interval | 3ms | 5ms | 2.5ms | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | timeout | 2s | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | packet_length | 2byte(index) +8byte(header)+90byte(enc_data)=100byte | 2byte(index) +8byte(header)+90byte(enc_data)=100byte | 音频部分（20ms一包）：2byte(index) +8byte(header)+90byte(enc_data)=100byte | | | | | 用户数据（500ms一包）：8byte(header)+6byte(data)=14byte | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 平均重发次数 | 8次 | 4次 | 8次 | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 编码格式 | jla_lw | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 采样率 | 16K | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 码率 | 36kbps | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 压缩比 | 7.111 | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 丢包修复机制 | 有，填入空包时声音做淡入淡出 | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 测试环境 | 室外 | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 正对测试轻微卡音距离（米） | 160 | 151 | 163 | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+ | 正对测试断连距离（米） | 180 | 156 | 186 | +----------------------------+------------------------------------------------------+------------------------------------------------------+----------------------------------------------------------------------------+