W2004F 4 Line Alphanumeric Pager

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W2004F 4 Line Alphanumeric Pager

This W2004 4 line alphanumeric pager (version 1.0) is made up of the decoder, control unit and display unit. After receiving signals, it will produce different tone alerts or vibrate to remind the user of the message. This product is characterized by small volume, delicate look and high operation speed. It is designed with the LED backlight for easy readability. The 1.5VAAA alkaline battery can serve for 950 hours. When the battery is removed, our product is capable of backing up relevant information for 15 seconds. In addition, it can display 2 or 4 lines of characters. The data transmission rate can be 1600bps, 3200 bps or 6400 bps, which makes the communication process faster and more efficient as compared with other products of this kind. The signal format of the alphanumeric pager is flex and the frequency range covers 138-174, 278-284, 405-480 and 928-932MHz band. Accordingly, our product has wide signal reception range and exceptional signal reception capability.

Technical Specifications

Frequency Range	138-174, 278-284, 405-480, 928-932MHz band
Channel Spacing	25KHz
Signal Format	FLEX
Data Transmission Rate	1600bps, 3200bps or 6400bps
Modulation System	carrier frequency shift keying (NRZ)
Frequency Deviation	±4.8KHZ
Receiving Sensitivity	1600bps 8uV/m, 3200bps 10uV/m, 6400bps 12uV/m
Selectivity	50dB (138-174MHz), 50dB (278-284MHz), 50 dB (405-480 MHz), 50 dB (928-932 MHz)
Spurious Rejection	more than 50 dB
Image Rejection	50dB (138-174MHz), 50dB (278-284MHz), 50dB (405-480MHz), 35dB (928-932MHz)
Frequency Stability	±10ppm (138-174 MHz), ±5PPM (405-480 MHz), ±3PPM (928-932MHz)
Tone Alert Output	more than 75dB, frequency 3200HZ
Operating Voltage	1.0V (minimum)

Features

Message Storage Capacity	19 personal messages, 12 mail drop slots, 2 notebooks for private message and mail drop message.
Address Code	total 16 paging addresses, 12 addresses for mail drop messages, 4 addresses for personal calls
Display Format	4 li20 characters per line or 2 line×20 characters per line
Time/Date Display	real time, with time displayed in 12 or 24 hour format
In Range Display	If pager is within the range of reception, " " will not be displayed.
Power Consumption	standby 0.3mA, received 6mA
Low Voltage Alert	Display will show " " indicating low voltage
Background Lighting	EL
Message Received Time	Message receipt time is memorized and will be displayed together.
Message Protection	8 messages
Melody Alert	10 musical tones
Tone Alert Time	over 8 seconds
Vibration Alert	Build-in vibrator will be activated automatically to indicate receptions of calls.
Alarm	built-in alarm function at preset time
Battery	one "AAA" battery (1.5V)
Battery Life	950 hours (alkaline battery)
Battery Back-up	15 seconds (when the battery is replaced)
Weight	64g (with battery)
Size	(80.5L×54.5W×19.20H) mm without belt clip

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