PSTN/GSM Wireless terminal WTN302-1A/WTN302-1B

PSTN/GSM Wireless terminal

Features:

1.   Support PSTN and GSM network

2．  LCD display: Signal strength, battery volgage, telephone numbrer, talk time 3．  Menu operation.

4．  Looking terminal, Locking SIM Card

5．  Support DTMF to display Caller ID.

6．  Flexiblely set Barred  number

7．  Choose outgoing route PSTN or GSM network

8．  Support reversal polarity for billing (16khz and 12Khz is optional)

9．  Indicating ring for new incoming call while one route is busy 

10．Set up local area code

11．Support external 6v/4AH lead-acid battery

12．Self-Inspection and error report 

13．Real-time clock

 

Technical Specification:

 

Application environment

Operating temperature:      0~+45゜C

Relative humidity:            10%~95%

Environment noise            ≤60dB(A)

Atmospheric pressure         86~106kPa

 

GSM parameters

Frequency bands      

　 GSM900/1800/1900 MHz automatic switch    　(WTN302-1A)

　 GSM850/900/1800/1900 MHz automatic switch　(WTN302-1B)　　

Frequency stability    <2.5ppm

Receiver sensitivity   < –103dBm

Transmit power        <2W(900MHz),  <1W（1800MHz）

SIM card Interface      3V

Antenna impedance     50Ω

 

Line interface

AB line impedance      600Ω

AB line loop current    25mA

AB line feeding           48V±4V (hang-up status)

 

Others

Adapter output: DC7.5V, 1.5A

Battery: 4Ah, 6V lead-acid battery (Full battery support 6-8 hours talk time or 72 hours standby status. The time is subject to local network)

 

Package：10pcs/Carton　

Inside box          Dimension:32×18.5×5.5(cm) G.W.:  0.7kg

External carton  Dimension:40×36×32(cm)     G.W. :8.0kg

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