Digital Repeater

详情

Parameters:

• Operating band (pilot frequency): **0~**0MHz
• Interval of channel: *2.5KHz
• Multiple access: FDMA
• Modulation system: 4FSK
• Data transmission: ***0 b/s
• Max transmitting power: 5W/*5W/*5W
• Receiving sensitivity: <0.3uV
• Occupied bandwidth: *2.5KHz
• Max power tolerance: ±2dB (the limit) 
• Frequency stability: ±2ppm
• Modulation power of adjacent channel: ±*2.5KHz≦**0dB; ±*5KHz≦**0dB
• Stray of transmitting: 9KHz~1GHz≦**6dBm; 1GHz~*2.*5GHz≦**0dBm
• External power supply: AC **0V
• Internal power supply: DC *2V
• Operating current (*5W, transmitting): <8A (internal: *2V) 
• Operating current (receiving) <1.5A
• Operating temperature: **0℃~*0℃

• The repeater supports interrupt-call
• Connect with back-end web master to manage it through network directly
• The voice could be recorded in SD card. We provide the LCD screen to query the file to play it (it must be activated by activation code)
• It supports 5 groups of analog or digital infra-acoustic frequency under analog mode
• Configure and commissioning the working parameters through display
• Large LCD screen with friendly interface in different language
• Support analog and digital mode, as well as adaptive mode
• repeater could kill or relive the online digital radio
• The software is developed under the protocol of ETSI TS DPMR high power standard (TS*****8)
• It complies with ETSI EN **1 ****1 V1.3.2 (******1) ETSI EN **1 ****2 V1.2.3 (******1)