rf saw filter 503 9mhz

{"cid":"91222086","title":"503.9MHz RF SAW Band Pass Filter","imgUrl":"https:\/\/img.chinax.com\/nimg\/2d\/ba\/b7e3be889a51ce918a63592258a9-200x200-1.jpg","attrs":{"Brand Name":"ZR Hi-Tech","Model Number":"LT-SF-504M-22M-3030","Minimum Order Quantity":"1","Delivery Time":"4 weeks","Place of Origin":"CHINA","Payment Terms":"T\/T","Packaging Details":"carton packing","Product name":"LT-SF series RF SAW Filter","Application":"Wireless Communication","Features":"High Rejection","Material":"Aluminum","Temperature":"-40~85\u2103","Frequency range":"492.6 to 515.2 MHz","Color":"Silver","Low Insertion Loss":"3.8 to 4.5 dB"}}

{"cid":"91219332","title":"GSGL-0003","imgUrl":"https:\/\/img.chinax.com\/nimg\/66\/5e\/947207a8ca228c638fecd8327c30-200x200-1.jpg","attrs":{"Category":"RF and Wireless\nRF Misc ICs and Modules","Function":"GNSS, LNA, SAW Filter","Product Status":"Active","Mounting Type":"Surface Mount","Package":"Tape & Reel (TR)\nCut Tape (CT)\nDigi-Reel\u00ae","Series":"-","Supplier Device Package":"47-LGA (5.3x4.9)","RF Type":"GPS","Mfr":"Goertek Microelectronics Inc.","Frequency":"1.55GHz ~ 1.615GHz","Secondary Attributes":"I\u00b2C Interface, SPI Interface","Package \/ Case":"47-VFLGA Module","Base Product Number":"GSGL","Description":"GNSS"}}