GSM MMS security central monitoring station with LCD display

1. Caller ID display and alarm; caller tracing;
2. Automatic CONTACT ID,4+2 EXPRESS,4/2,4/1 and 3/1 policing call format identification;
3. Convenient installation and setup
4. Lightning-proof
5. Police call buzz reminding
6. Real-time telephone line status reminding
7. Real-time receiver software status reminding
8. Software setup for receiver function allowed
9. Supporting decimal or hexadecimal subscriber account number, with subscriber numbers exceeding 65,000
10. Operator and administrator passwords to ensure system security
11. Electronic map to allow automatic display of caller locations; optional individualized map functions for each subscriber
12. Subscriber local area map, enabling subscriber organization structure awareness and police force assignment scheduling
13. External map to display calling subscribers (map panel driver to be purchased separately)
14. Current subscriber disarming/arming status display
15. Self-definition of 3/1, 4/1 and 4/2 report codes
16. Amplifiable e-map
17. Automatic save, print, search, backup and restoration of police call data
18. Receiver control for automatic voice deletion in accordance with the police call categories
19. Disarming/arming and alarm reminding voice playing via sound card
20. Self-contained CPU, allowing the receiver to accomplish the majority of workloads; minimum PC requirements; no high-grade computers necessary; saving equipment costs 
21. Short-circuit terminal output capable of driving alarm light and sirens upon receiving police calls
The above are functions available in both single-line and multi-line receivers. Multi-line receivers also have the following additional functions:
22. Real-time timing, 300-pieces of calling information storage capacity (expandable to 1300 pieces) when the computer is power off
23. Receiving panel expandable to over 8-lines
24. Backup battery to ensure operation in conditions without AC power

Single-line receivers:

Multi-line receivers: