GSM800/1900MHZ Fixed wireless phone ZTE623
1.high quality
2.competitive price
3.best service

Using a special SIM card (patent pending) to prevent the SIM card is decoded moved to the use of mobile phones.

   Support machine card interlock, residential locks, lock network, phone password protection.

   Random PIN code protection.

   Lenovo has a strong function of both Chinese and English input method, a variety of input mode.

   Business card holder features, support 200 records.

   Limiting incoming, call restrictions, fixed dialing function.

   Volume adjustable, selectable ring tones, a variety of music.

   Zhai hang with the incoming, hands-free dialing, redial function.

   Four-line LCD display that prompts the call information, real-time display date and time.

   To support remote network management.

   Lockable long exhale.

   Support for lock operators.

Product basic functions:

   Auto-dial long-distance calls plus IP numbers.

   Adaptive dual-band GSM 900/1800MHZ.

   Intelligent power management and the machine automatically detect the right spare battery charging, to avoid entering a long battery charge state.

   User-friendly, rich in Chinese and English menu, use text and graphics display, language can be switched in time.

   With battery and signal strength display.

   Document telephone conversations.

   In English and Chinese short messaging capabilities.

   Support call forwarding and caller ID display.

   With the time and date settings, alarm clock, calculator functions.

   Can be set to keypad tones, alarm tones, message alert tone any key answer function.

   Buttons fast response, that is, click-to-get.

   Antenna Built-in

   Use of echo cancellation and digital voice encryption technology to improve voice quality.

   Appearance of generosity, the operation smoothly.

   Wireless industry module.

Specifications:

   Working band: GSM900/DCS1800MHZ.

   Receiver sensitivity: <-104dBm

   Spurious emission limits: =- 30dBm

   Modulation: 0.3GMSK

   Bandwidth :> 200KHz

   Channel spacing: 25KHZ

   Frequency stability: ± 0.1ppm

   Operating Voltage: AC220V ± 15% DC8V-30V

   Ambient temperature: 0 ° C --- +40 ° C

   Operating Humidity: 5% - 95%

   Atmospheric pressure: 86-106Kpa

   Frequency Range: 885-915MHZ, 1710-1755MHZ