Shenzhen, Guangdong, China
Business Type: Manufacturer/Factory, Trading Company
Technical parameter | |||
Ambient temperature | -30~+60°C | ||
Defend grade | IP66 | ||
Relative humidity | 10%--95% | ||
Atmospheric pressure | 86~106KPa | ||
Circumstance noise | Less than 60dB(A) | ||
Sound level of ringing | >70dB(A) | ||
Standard frequency | 697.770.852.941Hz | ||
Call transmission index | (5KM)SLR<12,RLR<-1,STMR>10, output impedance is 600 Ohm. |