Includes 8 individual GSM channel; each channel is connected with 4 SIM slots, which can be rotated with time minutes by each SIM, quad band 900 1800 850 1900MHz

Main Features:

1. Provides clear sound for cell phone user

2. Caller ID hiding programmable

3. 8 individual Channels, each channel with 4SIM slot

4. Each SIM can be rotated by time minutes to cycled run

5. Block code programmable

6. Prefix code programmable

7. GSM module IMEI changeable

8. GSM Frequency auto searching

Product characteristics:

1. Dialing tone

2. DTMF Dialing

3. Caller ID With FSK

4. Bell signal

5. Polarity reversal

6. The RJ-11 socket which connect the phone or the payment billing

7. Antenna socket (FME)

8. IP usage switch

9. Working state indicator

10. Signal Strength indicator

Technical Specification:

1. Frequency: GSM 850/1900/900/1800MHZ.

2. SIM Card: support 3VG-SIM card.

3. Phone interface: Supply RJ-11 Phone Interface

Hanging voltage:45V Picking off voltage: 30mA/41mA

Dialing tone Frequency: 450Hz

4. Antenna interface: Antenna amplifying 〉1.5DB Sensitivity 〈 -104DBM Transmitting power≤3W

5. Adapter interface: INPUT: AC 175~260V OUTPUT: +12V/1000MA

6. Serial communication interface: RS-232 full serial interface mode (with assign date transport line)

7. Operation Circumstance:

Operation temperature: -10℃ ~ 60℃

Storage temperature: -20℃ ~ 70℃

Operation humidity: 45% ?5%

Atmosphere pressure: 86 ?06Kpa

Environment noise: 〈 60DB

Transmitting Power: 2W

Sensitivity: <-104dbm

Antenna Amplifying: >1.5db

Dialing frequency: 450Hz

Hanging voltage: 45V

Picking carrent: 30mA/41mA