Tetra, TMO, on-board antenna, IPEX1 connector, supports 2.4G/

Smart Hospital APP v2.0 PC Accounting Module for Employer-Paid Medical Online Reimbursement v3.1 Public Medical Expense Reimbursement WeChat Version v2.1 Online Employer-Funded Medical Expense Reimbursement System College Graduates' Collective Service Team - Technical Research and Development Team Raspberry Pi wireless network card 8188EUS, ultra-low power consumption, super strong signal, antenna very nice