GSM AUDIO MONITORING DEVICE

Specification:
Frequency : 900MHz, 1800MHz, 1900MHz
Microphone range: 5~15m (Radius)
Stand-by Time: 7 days
Working Time: 4 hours
Power Supply: 24 hour non stop
Compatibile Cards: GSM / Sim
Dimensions: 150 x 300mm

RM 280