Features:

1. High power output: 10W or 25W

2. Long transmission distance: up to 20km

3. VHF band 150MHz band or 230MHz band

4. Data transmission, voice transmission both ok

5. Double PLL, double VCO, High reliability

 

Technical details:

  

A, General Index

   ● frequency: VHF and UHF frequency band (150MHz, 230MHz), can store about 400 channels

   ● frequency tolerance: ±2.5ppm

   ● Channel spacing: 25 KHz

    ● antenna impedance: 50Ω

    ● environment temperature: -35 ℃~+75 ℃

    ● modulate mode: MSK

    ● air baud rate: 1200bps/2400bps

 

B, Receiver Index

    ● sensitivity:  ≤0.25uV

    ● ignal Noise Ratio(SNR): ≤-50dB

    ● Adjacent Channel Selectivity: ≥70dB

    ● Inter modulation interference:  ≥70dB

    ● Spurious respouse immunity:  ≥70dB

 

C, Transmitter Index

    ● Transmit Power:  25W

    ● modulate distortion:  ≤3%

    ● residual frequency modulation:  ≤-48dB

    ● frequency deviation:  ≤5KHz

    ● ortho-channel power ratio:  ≤-70dB

    ● stray power:  ≤5uW

    ● RF distance: 20km(25W RF power in the open air)

 

D, Power supply

    ● DC:  12 V (±10%)

    ● waiting current:  ≤ 1 6 0 m A

    ● transmitting current:  ≤ 6 A ( transmit power 25W )

 

E, Dimension:  

   128*108*28mm

  

 

Operation method of useage:

Marine filed,
Public traffic,
Industrial automatic control,
Electric power schedule,
Water conservancy monitor,
Signal collection and transmission of railway system,
Oil extraction and transportation control,
Measure of oil or water wells,
Hydrological monitor,
Weather information transmission,
Environment monitor,
Tank level monitoring,
Goods management in supermarket, forest protection, intelligent building, wireless beaconing, geological reconnoiter, mobile location, military training, public security, medical ward, remote control, detecting, and others automatic control fields. 

Package:
Each package a radio modem and its cable