L4 R3: ASR Cortex-R5 LTE Cat.1 SoC (ASR1601/ASR1603/ASR3601)
ASR1601 是一款高性价比的片上系统（SOC）设备，集成了应用程序处理子系统，通信子系统，音频编解码器和嵌入式pSRAM，以支持单芯片4G LTE功能电话解决方案以及GSM解决方案。 该通信子系统集成了LTE CAT1，GSM调制解调器基带和RF收发器，覆盖450MHz〜2.7GHz频段，可在全球范围内漫游。 该应用子系统运行在Cortex-R5处理器上，该处理器具有集成的多媒体组件，包括摄像头系统，ISP，视频播放/编码，显示控制器和音频编解码器。
Cat.4速率更高，上行最高50Mbps、下行最高150Mbps的，但在功耗、集成度、价格方面很难满足部分行业的物联网应用需求，而Cat.1兼顾制式、性能、功耗、成本等优势，尤其成本比Cat.4低近30%。
ASR1601 同类Cat.1bis竞品包括：
React
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Tencent
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