1. High power wireless communication equipment
2. Use PLL frequency system for huge increase stability operation
3. One main base up can coming with 10 (handset/remote base)
4. The extra handset programmable
5. Walkie-talkie between handsets and transferring call to each other
6. Full duplex intercom from main base, and transferring call to each other
7. FSK/DTMF Caller ID system are available
8. Blue LCD displays
9. Talk-time displays and search.
10. Select chord music on handset (12 melody)
11. Search telephone number and fast dial
12. Dialed / Missed call number searching and fast redial.
13. Tone/Pulse dialing mode selectable
14. Super save power, long time for standby
15. Lock long distance call
16. Menu displays for easy operation
17. Low battery alarm
18. 1,000,000 security code (by 2 ways)
Technical Specification:
Untitled Document
Item |
Main-base |
Handset |
Receiving |
Sensitivity 12DB |
-120dBm |
-120dBm |
Frequency range |
237-240MHz |
137-140MHZ |
Frequenvy stability |
+-5PPM |
+-5PPM |
Work mode |
Full duplex |
Full duplex |
Voltage mode |
AC85-265 |
3.6V Li-lon |
Transmission |
Output Power |
>=9.0W +-1dB |
>=0.6W +-1dB |
Frequency Range |
137-140MHz |
237-240MHz |
Frequency Stability |
+-5PPM |
+-5PPM |
Residual Radiation |
-60dB |
-60dB |
Maximum Deviation |
+-5KHz |
+-5KHz |
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"Cordless Phones For Wireless Long-Range Communication (NF-558)" are from the Internet, the copyright belongs to the
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