4 ms·
They could use Hologram's SIM which uses T-Mobile's 2G and 3G network as well as AT&T in the US [1] [1] https://hologram.io/cellular/ https://hologram.io/cellu
by Dwolb 10y ago
They could use Hologram's SIM which uses T-Mobile's 2G and 3G network as well as AT&T in the US [1]
[1] https://hologram.io/cellular/ https://hologram.io/cellular/