Ultimate 3G GSM Switch with Input Monitoring

• 5 stars, based on 1 votes

• Capable of storing up to 1150 users
• Whitelisted numbers
• Featuring two fully controllable outputs and three monitored inputs
• The Ultimate GSM Switch provides huge scope for complex requirements and busy settings with a high volume of users
• When the unit receives a call from an authorised telephone number it will reject the call without an