25W wireless audio modems 20km 145mhz/235mhz vhf uhf mobile radio with data voice communication

Qty (Piece/Pieces) Unit Price (USD)
1 - 4 208.0
5 - 19 205.0
20 + 195
Trade Term: FOB
Payment Terms: T/T,WU,Paypal
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Basic Info.
  • Audio Module: Wireless Transceiver 
  • Long range module: Data modem 
  • power output: 25W 
  • Long transmission: 20km 
  • frequency: 150/230mhz 
  • Power supply: 12V 
  • interface: rs232/rs485/ttl 
  • Manufacturer: kyl 
  • Model No.: KYL-668H 
  • Place of Origin: Guangdong  
  • Min.Order: 1 Piece/Pieces
  • Means of Transport: Air
Supply Capacity
  • Production Capacity: 10000/month
  • Packing:standard packing
  • Delivery Date: 2-3 days

 KYL-668H 25W Data RadioModem on Sea Communication

Main Features:

1. High power output: 25W

2. Long transmission distance: More than 20km

3. VHF, UHF band selectable

4. Data transmission, voice transmission both ok

5. Double PLL, double VCO, High reliability

Data sheet:

A,General Index

● frequency:150/230/450 MHz

● frequency tolerance:±2.5ppm

● frequency tolerance:25KHz

● antenna impedance:50Ω

● environment temperature:-20 ℃~+55 ℃

● modulate mode:PSK/QPSK/TCM-16QAM

● data transmission speed:1200/2400bps

B,Receive Index

● sensitivity:≤0.25uV

● ignal Noise Ratio(SNR): ≤-45dB

● Adjacent Channel Selectivity: ≥65dB

● Inter modulation interference:≥60dB

● Spurious respouse immunity:≥65dB

C,TransMit Index

● Transmit Power:5-25W

● modulate distortion:≤5%

● residual frequency modulation:≤-40dB

● frequency deviation:≤5KHz

● ortho-channel power ratio:≤-65dB

● stray power:≤5uW

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

D,Power supplY 

● DC:1 2 V

● waiting current:≤ 1 6 0 m A

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






Sea Communication

PLC wireless communication

Data telemetry

Long range wireless control


RS485 Connector

RS232 or TTL Connector
25W radio modems for data voice transmission wireless modbus rs485 rs232 150mhz/230mhz rf module for scada

Power Cable


Pls kindly note for long range transmission we recommend using 5.5dbi clip antenna or fiberglass antenna for better performance

Welcome to ask me if have any questions:sales01(at)rf-data(dot)com.


Send message to this supplier
Ms. Sarah Yuan (oversea sales)
Tel: 86-755-86643962
Mobile: 86-18820739215
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Contact Method
Shenzhen KYL Communication Equipment Co.,Ltd
4th Floor, Building 3, No. 335 of Zhuguang Road, Xili, Nanshan, Shenzhen, Guangdong, China (Mainland) / 518055
Fax: 86-755-83408785
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