npub14m4dc7wacppz7eseg90uvjjdm48t4ukxkv93njam2w7zeprx3xzqlv23su (npub14m4…23su) npub13syf9xl4w7c94gqvugwsf7y67xpj4s6jm3zpaf5qzl00dkh8hd7sgecysq (npub13sy…cysq) oh I didn't mean for security: it's over if someone gets ANY of the devices.
And re: antenna, the device can/does transmit on 900mhz, but the antenna is tuned for 433mhz and not 900mhz.