新学期即将启航，这份开学安全指南请查收

　　新学期即将启航，美好的校园生活离不开安全防范。开学第一课，先上安全课。这份开学安全指南，师生家长请收好——

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.