MOFI4500-4GXeLTE-SIM4 4G/LTE Router AT&T T-Mobile Verizon Embedded SIM with Band 12
4G LTE Rugged Metal Enterprise Router with Embedded SIM for AT&T or T-Mobile including band 12
Verizon Sprint TMobile LTE2 LTE Advanced Cellular Modem
T-Mobile recommends using this router as this is the best and fastest product on T-Mobile