W2018 2 или 4-строчный пейджер

W2018P(4 Line/2 Line Alphanumeric Pager)SPECIFICATIONSVersion 1.0Frequency Range 138-174, 278-284, 405-480, 928-932MHz Bands, crystal or synthesized version Channel Spacing 25KHz Signal Format POCSAG Data Transmission Rate 512bps or 1200bps or 2400bps Modulation System Carrier frequency shift keying (NRZ) Frequency Deviation ±4.5KHz Receiving Sensitivity 512bps 5uV/m, 1200bps 7uV/m, 2400bps 10uV/m Selectivity 60dB ±25KHz Image rejection >50dB (138—480MHz); >40dB (928—932MHz) Spurious Rejection >60dB (138—284MHz); >50dB (405—932MHz) Frequency Stability ±10ppm(138-284 MHz), ±5ppm(406-480 MHz), ±3ppm(928-932MHz) Tone Alert Output More than 75dB(SPL) 10cm, frequency 2731Hz Operating Voltage 1.0V (min) Operating Temp. Humidity -10°C to 40°C, 95% (at 40°C) Storing Temp. Humidity -10°C to 70°C, 95% (at 40°C) FEATURESMessage storage Capacity19 Personal messages, 16 Mail drop messages, each 512 ASCII, total 32Kbytes SRAM for memory storage.Address Code 8 paging addresses, 4 address for Personal call o, rest of 4 addresses can be programmed as personal address or maildrop address Display Format 20 chars. x 4 lines + 1 line ICONS, or 20 chars x2 line+1line icon, user selectable Hand programming Available Prompt icon Some function can be disabled by CCP for easy operation Time/Date Display Real time with date displayed in 24 or 12 hours format In Range Indication If pager is within range of reception, " " will not be displayed Low Voltage Alert Display will show " " indicating low voltage Backlight Backlight can be turned on manually under dim environment Message Received Time Message receiving time is memorized and displayed together Message protection 16 messages Message Deletion Self messages can be deleted individually; self messages and mail drop can be deleted all. Unread message ICON will appear on display to remind unread message and audible alert (optional) Duplicate Message Duplicate message indication provided Error Message Error message indication provided Melody Alert 8 Musical Tones Tone Alert 4 different tone alerts, continuous audible alert (ccp selected), standard alert tone for different function call( programming selection), emergence alert with fixed alert tone and vibration Tone Alert Time 12 16 seconds Vibration Alert Build-in vibrator will be activated automatically to indicate receptions of calls Silent Alert Pager can receive message without vibration, tone alert Alarm Built-in alarm function at preset time Language Farsi, English, Spanish, French, Italian, German, Portuguese, Danish. Swedish. OTA function OTA function turns on/off self address and mail drop address Battery One "AAA" battery (1.5V) Battery Life 512dps, 2000 Hours (Alkaline battery), 1200bps, 1600 Hours (Alkaline battery) Battery Back-up 15 seconds (when the battery is replaced) Weight 135 gms. (including battery) Size (80.5L x 54.5W x 19.20H) mm without belt clip