giao tiếp LK-120S

GSM / VOICE / SMS Communicator
Feature:
+ Built-in GSM module accepts all carrier SIM card
+ Transmits the voice messages and the SMS messages to the recipients via the GSM system
+ Unlimited transmission range as long as the receivers are within coverage of the GSM signals
+ 5 channel alarm I/P's
+ 5 voice messages
+ 5 SMS messages
+ 10 landline or cellphone numbers
Specifications:
- Power supply: AC110V / AC220V
- Back power (optional): a 12V / 1.2AH battery
- Power consumption: 2A (Instant highest), 350mA (working), 150mA (standby)
- 4-band GSM module: 850 / 900 / 1800 / 1900 MHz
- Antenna: SMA RF
- External antenna (optional): 3 meters long
- Voice and SMS messages: 5 independant sets (4 N.C. loop, 1 24-hours N.O. loop)
- Length of voice messages: 20 seconds maximum
- Length of SMS message: 70 letters maximum
- Number of recipients: up to 10 phone numbers (landline or cellphone, each 25 digit maximum)
- Outputs: one dry contact relay output, one system setting instruction LED output
- Power output: DC13.8V/1A, DC12V (battery charging / discharging loop)
- Built-in power transformer: 24 VA