3. Power Supply: Re-chargeable Battery powered: 9V/14Ah, Solar back-up: 12V/30W
4. Time out: selectable 0-20 minutes
5. Temperature: -20℃~ +60℃emp
6. Relative Humidity: up to 90%
7. Built-in battery Standby: 21days
8. Built-in battery talking time: 21 hours
Telephone layout
Solar panel over 600mm high
认证书
EMC: EN50121 (Railway application- Electromag