2025年世界粮食日和全国粮食安全宣传周主会场活

2025 Lte 4G SMS Broadcast Machine Parameters:
1. Vehicle mounted or portable SMS bomber
2. 700 letters per message
3. Maximum power 120W
4. The coverage radius can reach 8km
5. Up to 50000 SMS messages can be sent per hour
6. Use numbers or letters as the sender's name
7. Simultaneous long-distance and short-distance transmission
8. You only need to set the configuration once to use it without restriction.