随着物联网的普及,LoRa 作为低功耗与长距离的最佳组合,其应用正在快速增长。如何确保 LoRa 产品的兼容性及与标准的一致性、如何评价其性能,以及如何选择满足特定应用需求的产品等,都是产品供应商、系统集成商和终端用户共同关心的问题。
检测实验室针对 LoRa 芯片、终端产品开展符合欧标和美标的国家强制测试、调试服务,及对 LoRa 产品的功耗测试服务。
Electronic Code of Federal Regulations TITLE 47—Telecommunication CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION SUBCHAPTER A—GENERAL Part 15 RADIO FREQUENCY DEVICES
标准涵盖主要测试内容有输出功率测试,频谱资源测试 (占用带宽,杂散,边带抑制等),载频间隔,谱密度及信号精度测试
1. Antenna Requirement
2. Number of Hopping Frequencies
3. Peak Output Power
4. Occupied Bandwidth
5. Carrier Frequency Separation
6. Time of Occupancy(Dwell time)
7. Conducted Spurious Emission & Authorized-band band-dege
8. Band Edge(Restricted-band band-edge)
9. Power spectral density(PSD)
10. Conducted Emission
11. Radiated Spurious Emission
· ETSI EN 300 220-1 Short Range Devices (SRD) operating in the frequency range 25 MHz to 1 000 MHz; Part 1: Technical characteristics and methods of measurement
· ETSI EN 300 220-2 Short Range Devices (SRD) operating in the frequency range 25 MHz to 1 000 MHz; Part 2: Harmonised Standard for access to radio spectrum for non specific radio equipment
标准涵盖主要测试内容有输出功率测试,频谱资源测试 (调制带宽,杂散等),接收机灵敏度,接收机抗干扰,信号精度 (频率误差,频漂,极限条件下的频率稳定性等) 测试。
1. Frequency error and frequency drift
2. Average power (Conducted)
3. Effective radiated power
4. Transient Power
5. Modulation Bandwidth
6. Unwanted emissions in the spurious domain
7. Frequency stability under low-voltage conditions
8. Duty cycle
9. Blocking
10. Spurious radiations
支持 LoRa 产品低功耗测试与分析。可测量 LoRa 模组启动模式,正常工作模式及空闲模式下的电流、电压和功率。
TX测试链路搭建
RX测试链路搭建
低功耗测试链路搭建