915MHz SMA BPF PCB Module Pair

A pair of compact, passive band pass filter modules designed for precise 915 MHz signal extraction in RF circuits. Each unit is implemented on a standard PCB substrate and tuned to a centre frequency of 915 MHz with a usable bandwidth of 30 MHz (900–930 MHz). Input and output are terminated with SMA female connectors, and all RF paths are engineered for 50-ohm impedance continuity. Dimensional accuracy follows standard PCB fabrication tolerances (±1–3 cm), supporting mechanical integration into enclosures or test jigs. Measured performance includes 1.5 dB maximum insertion loss in-band, enabling high-fidelity signal passage with minimal amplitude reduction. At frequencies 50 MHz away from centre (e.g., 865 MHz or 965 MHz), attenuation exceeds 40 dB — providing strong rejection of harmonics, local oscillator leakage, or cross-talk from neighbouring wireless services. Input power handling is rated up to 13 dBm (20 mW), appropriate for use with Class 2 or Class 3 ISM-band transmitters. The set requires no configuration, firmware, or external power. It is intended for engineers, researchers and integrators developing or validating 915 MHz-based solutions including smart metering, asset tracking, environmental monitoring and private LoRa networks in the UK and EU regions.