GSM SMS Logger Modem with 4 I/O Ports, 1 OC, and 1 ADC Port Power Detecting

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Basic Info

Payment Type:	Telegraphic Transfer in Advance (Advance TT, T/T)

Product Description

Various applications:

Wireless SMS transfer
Energy industry monitoring
Traffic system monitoring
Equipment diagnostics
Point-of-sale/transaction processing
Intelligent house monitoring
Mechanical rooms monitoring
Vehicle tracking monitoring
Agricultural feeding monitoring
Parking monitoring
Telecom monitors
Meter reading
Dial back-up for broadband connections
Residential lighting controls
Messages/alerts
Personnel management
Arm systems for instant text message notification that an alarm has occurred
Remote management system

Technical specification:

GSM work frequency: 900/1800/1900MHz
GSM antenna:
- Cable type:
  - Gain: 3dBi
  - Cable-length: 3-5 meters
  - Connector: SMA
- Portable antenna:
  - Gain: 2dBi
  - Height: 5cm
  - Connector: SMA
Mainframe power supply: 7.5 to 25V DC
Backup-battery: 3.7V, 950Ah lithium ion
Working temperature: -20 to 60°C
Humidity: 20 to 95% RH
Mainframe dimension: 110 x 85 x 23mm
Electrical characteristics at 25°C
Power voltage:
- Min: 7.5V
- Max: 25V
- Typical: 12V
Power current:
- Maximum: 500mA
- Typical: 50mA
Input drive oltage:
- Min: 2.5V
- Max: 48V
IN1-4+/- optocoupler (ISO)
Input drive curent:
- Min: 0.5mA
- Max: 45mA (continuous)
IN1-4+/-: reverse patient voltage 100V
Output current drive ability note: >100mA
Optocoupler (ISO)
Output patient voltage note: 60V
Range of ADC voltage:
- Maximum: 50V
- Typical: 0-5V
DC digit: 8bit
ADC precision: ±2%
ADC input impedance: 50kΩ
OC drive current: >500mA (continuous)

Wireless SMS transfer

Energy industry monitoring

Traffic system monitoring

Equipment diagnostics

Point-of-sale/transaction processing

Intelligent house monitoring

Mechanical rooms monitoring

Vehicle tracking monitoring

Agricultural feeding monitoring

Parking monitoring

Telecom monitors

Meter reading

Dial back-up for broadband connections

Residential lighting controls

Messages/alerts

Personnel management

Arm systems for instant text message notification that an alarm has occurred

Remote management system

GSM work frequency: 900/1800/1900MHz

GSM antenna:

Cable type:
- Gain: 3dBi
- Cable-length: 3-5 meters
- Connector: SMA
Portable antenna:
- Gain: 2dBi
- Height: 5cm
- Connector: SMA

Mainframe power supply: 7.5 to 25V DC

Backup-battery: 3.7V, 950Ah lithium ion

Working temperature: -20 to 60°C

Humidity: 20 to 95% RH

Mainframe dimension: 110 x 85 x 23mm

Electrical characteristics at 25°C

Power voltage:

Min: 7.5V
Max: 25V
Typical: 12V

Power current:

Maximum: 500mA
Typical: 50mA

Input drive oltage:

Min: 2.5V
Max: 48V

IN1-4+/- optocoupler (ISO)

Input drive curent:

Min: 0.5mA
Max: 45mA (continuous)

IN1-4+/-: reverse patient voltage 100V

Output current drive ability note: >100mA

Optocoupler (ISO)

Output patient voltage note: 60V

Range of ADC voltage:

Maximum: 50V
Typical: 0-5V

DC digit: 8bit

ADC precision: ±2%

ADC input impedance: 50kΩ

OC drive current: >500mA (continuous)

Cable type:

Gain: 3dBi
Cable-length: 3-5 meters
Connector: SMA

Portable antenna:

Gain: 2dBi
Height: 5cm
Connector: SMA

Gain: 3dBi

Cable-length: 3-5 meters

Connector: SMA

Gain: 2dBi

Height: 5cm

Connector: SMA

Min: 7.5V

Max: 25V

Typical: 12V

Maximum: 500mA

Typical: 50mA

Min: 2.5V

Max: 48V

Min: 0.5mA

Max: 45mA (continuous)

Maximum: 50V

Typical: 0-5V

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