TTL/rs232/rs485 radio data transmitter150mhz/230mhz 12.5khz/25khz 20km long rang remote control data/voice transmission

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


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: VHF and UHF frequency band 150MHz, 230MHz, (433MHz, 450MHz for big quantiry)

frequency tolerance: ±2.5ppm

Channel spacing: 25 KHz

antenna impedance: 50Ω 

environment temperature:-35~ +75 centigrade

modulate mode:MSK

air baud rate:1200bps/2400bps (pls tell us what data rate you need ? )

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: 1 2 V (±10%)

waiting current: ≤ 1 6 0 m A

transmitting 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.


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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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