{"id":183833,"date":"2026-10-13T16:54:03","date_gmt":"2026-10-13T14:54:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/proshivka-prevrashhayushhaya-wi-fi-marshrutizator-gemtek-v-shirokopolosnyj-priyomnik-radiosignala"},"modified":"2026-10-13T16:54:10","modified_gmt":"2026-10-13T14:54:10","slug":"firmware-that-turns-a-gemtek-wi-fi-router-into-a-wideband-radio-receiver","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/firmware-that-turns-a-gemtek-wi-fi-router-into-a-wideband-radio-receiver","title":{"rendered":"Le micrologiciel qui transforme le routeur Wi-Fi Gemtek en r\u00e9cepteur de signal radio \u00e0 large bande","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Le projet w1700k-sdr a pr\u00e9par\u00e9 un firmware et un ensemble d'utilitaires qui transforment le routeur sans fil Gemtek W1700K Wi-Fi 7 en un syst\u00e8me radio d\u00e9fini par logiciel (SDR), capable de recevoir et d'analyser des signaux radio sur une large gamme de fr\u00e9quences. Le code est \u00e9crit en C et Python et est distribu\u00e9 sous licence MIT, \u00e0 l'exception du module noyau fourni sous GPLv2.<\/p>\n

Apr\u00e8s avoir remplac\u00e9 le firmware d'origine, w1700k-sdr reprogramme la puce radio MediaTek MT7996 pour capturer des signaux radio arbitraires, non limit\u00e9s aux canaux Wi-Fi. Le SoC Airoha AN7581 utilis\u00e9 dans le routeur est impliqu\u00e9 dans le traitement pr\u00e9liminaire des donn\u00e9es de la puce radio et leur envoi \u00e0 un ordinateur externe connect\u00e9 via Ethernet 10 gigabits par UDP, \u00e0 une vitesse allant jusqu'\u00e0 320 millions d'\u00e9chantillons par seconde (Msps). Sur l'ordinateur, les donn\u00e9es sont analys\u00e9es et visualis\u00e9es \u00e0 l'aide de graphiques et de spectrogrammes.<\/p>\n

Le firmware a \u00e9t\u00e9 cr\u00e9\u00e9 \u00e0 partir de z\u00e9ro sans utiliser de code propri\u00e9taire de MediaTek, mais en utilisant du code provenant du pilote mt76, distribu\u00e9 sous licence BSD. Le firmware initialise et g\u00e8re de mani\u00e8re autonome la puce radio via des commandes depuis l'h\u00f4te. Au lieu d'une liaison stricte aux canaux, la possibilit\u00e9 de r\u00e9gler le h\u00e9t\u00e9rodyne sur n'importe quelle fr\u00e9quence dans les bandes 2.081-2.748 GHz, 4.647-7.509 GHz et 4.707-7.576 GHz avec un pas de 2.98 Hz ou 11.9 Hz est mise en \u0153uvre. La fr\u00e9quence peut changer \u00e0 la vol\u00e9e avec un retard d'environ 1 ms. <\/p>\n

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Source : opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u0440\u043e\u0435\u043a\u0442\u043e\u043c w1700k-sdr \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u0430 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0430 \u0438 \u043d\u0430\u0431\u043e\u0440 \u0443\u0442\u0438\u043b\u0438\u0442, \u043f\u0440\u0435\u0432\u0440\u0430\u0449\u0430\u044e\u0449\u0438\u0435 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0439 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440 Gemtek W1700K Wi-Fi 7 \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e-\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u043c\u0443\u044e \u0440\u0430\u0434\u0438\u043e\u0441\u0438\u0441\u0442\u0435\u043c\u0443 (SDR), \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u0443\u044e \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0442\u044c \u0438 \u0430\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0440\u0430\u0434\u0438\u043e\u0441\u0438\u0433\u043d\u0430\u043b\u044b \u0432 \u0448\u0438\u0440\u043e\u043a\u043e\u043c \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0435 \u0447\u0430\u0441\u0442\u043e\u0442. \u041a\u043e\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0430\u0445 \u0421\u0438 \u0438 Python \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT, \u0437\u0430 \u0438\u0441\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u043c\u043e\u0434\u0443\u043b\u044f \u044f\u0434\u0440\u0430, \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u0433\u043e \u043f\u043e\u0434 GPLv2. \u041f\u043e\u0441\u043b\u0435 \u0437\u0430\u043c\u0435\u043d\u044b \u0448\u0442\u0430\u0442\u043d\u043e\u0439 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0438 w1700k-sdr \u043f\u0435\u0440\u0435\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u0443\u0435\u0442 \u0440\u0430\u0434\u0438\u043e\u0447\u0438\u043f MediaTek MT7996 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183833","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Le firmware qui transforme le routeur Wi-Fi Gemtek en un r\u00e9cepteur radio \u00e0 large bande | ProHoster","description":"Le projet w1700k-sdr a pr\u00e9par\u00e9 un firmware et un ensemble d'utilitaires qui transforment le routeur sans fil Gemtek W1700K Wi-Fi 7 en un syst\u00e8me radio d\u00e9fini par logiciel (SDR), capable de recevoir et d'analyser des 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