HackRF One & PortaPack H2 2 in 1 0.5ppm TXCO SDR Radio with Plastic Shell Battery Inside Assembled with 40MHz-6GHz Telescopic Antenna

① This HackRF One needs to use our firmware update!!! For friends who have purchased HackRF One, please contact our customer service to send the firmware. Please do not use other firmware to refresh, which may burn the motherboard!!! If the main board is burnt due to the use of other firmware, the Buyer shall be responsible for the consequences ② After receiving the device, please directly use the software we sent to directly refresh the firmware. Do not upgrade or press the reset button, or the motherboard will burn out and the device will appear black screen ③ If you want to conduct some unknown tests, please contact customer service first to check whether it is feasible. Instructions and firmware download link (please contact customer service if you can't download)https://www.jianguoyun.com/p/DfMKNEYQt73yChjB7tUEIAA