Specification of M-4LL                                                                                 


                                                    4 Lines POCSAG Text Messaging Pager



Memory Capacity

Max 240 Personal messages.                                                

Address Capacity

Total 8 paging addresses.

LCD Display Format

4 line characters + 2 line ICON, maximum 16 characters per line     

Service Area Indication

The ' ' icon is to show the pager under or out of the paging area services. and this feature is selectable by software programming.

LCD Back Lighting

LED white light

Low Battery Alert

Audible alert reminds low battery in every 5 minutes

Time/Date Display

Real time of the day with 12/24 hours, AM/PM format and calendar date.

Time stamp for receiving messages.

Received message with the actual time and date indication.

Message protection

Max 10 personal messages and 10 mail-drops

Message Delete

The stored messages can be deleted individually or all cleared simultaneously except the protected and unread messages.

Unread Message

audible alert reminds unread message in every 3 minutes

Duplicate message

Duplicate message indication provided

Error Message

Error message indication provided

3 Selectable Alerts

Beep, Vibration, Silent

Extend beep alert


Melody Alert

8 Alerts

Tone Alert                 

8 different tone alerts


1 Alarm Clocks.

Language versions

English, Russian, Portuguese, Spanish, Korea , French, Italian,

Numeric message

The pager also can receive numeric message if the cap-code is programmed as numeric type

Sequential Lock-out


Available colors

Black Case


One "AAA" size (1.5V), Alkaline

Battery Back-up

120 seconds (when the battery is replaced)



Frequency Range

Frequency Synthesized 410~490MHz,868MHz,915MHz programming by PC

Channel Spacing


Signal Format


Data Transmission Rate


Modulation System

Carrier frequency shift keying (NRZ)

Frequency Deviation

4.5KHz (max. 5KHz)

Paging Sensitivity

512bps 6.0uV/m, 1200bps 7.0uV/m, 2400bps 8uV/m


60dB 25KHz

Image Rejection


Spurious Rejection


Frequency Stability

<10 PPM (-20XC~ 70XC)

Alert Tone Output

>75dB (SPL) 30 cm, frequency 3100 Hz

Operating Voltage

1.5V (1.2V-1.7V)

Power Consumption

0.4 mA in the standby mode and 4.2 mA while receiving messages.

Housing Dimensions

77mm(L) x 52(W) mm x 18mm(H).


60g with battery.

Operating Temp. Humidity

-10XC~ 70XC

Storing Temp Humidity

-10XC~ 70XC


                                                                     Notes:  Specifications are subject to change without notice