RD(Ring Down)-TEL
 
 
 
   
 
 Multi Function Telephone{RD(Ring Down)-TEL} is designed under the Military Specifications. And It operates with the PBX for transferring voice signal.
 
 
§  CB(Common Battery), LB(Local Battery), RD(Ring Down)  Mode
§  Receiving voice volume control function
§  Buzzer volume control function
§  Water Proof design
§  Interrupt-call function for priority call(RCS)   
 
 
§ Electrical

   - Frequency  Range : 300~3,400Hz

   - Transmission Power : -5dBm

   - Receive sensitivity : 105dB(0dBm, 1KHz)    

   - Ring Signaling Acoustic Level : 70dB SPL

§ Transmit Distance

   - 8Km(CB), 16Km(LB), 32Km(RD) 
§ Temperature

   - -35 ~+55 (Operating)

   - -55 ~+71 (Storage)

§ Environmental Specification

   - MIL-STD-810F

§ Dimension & Weigh

   - 123(W)mm X 210(L)mm X  80(H)mm

   - 1.5Kg blow