绫诲??:涓?涓?绾?br /> 绫诲??????br /> 棰???????400-470MHz 灏?棰?杈??哄????:5W 淇¢????16 ??璁洪??璁??绂?5km 宸ヤ??靛??:7.5V 棰???绋冲?搴?2.5ppm ?垫?绫诲??:???垫? ?垫???璁哄???18h ?????????? 澶?褰㈠昂瀵? 53?136?38.5mm ????:350g