SA858-UHF 4W, 400~470 MHz, 7~10 Km Analog Walkie Talkie Module

SA858-UHF 4W, 400~470 MHz, 7~10 Km Analog Walkie Talkie Module

The SA858-UHF 4W 400~470 MHz walkie-talkie module offers a powerful and reliable solution for analog two-way communication in the UHF band. Its high transmission power, extended communication range, and compatibility with analog systems make it suitable for various applications, including security, outdoor activities, and industrial settings.

SA858 is a professional 4W walkie talkie module. Strong RF circuit, DSP, digital interface, and audio amplifier is built in. Besides Uart command, user can use our provided PC software to configure all the parameters. The parameters includes: Tx frequency, Rx-frequency, Tx CTCSS /CDCSS, Rx CTCSS/CDCSS , digital volume and SQ. To avoid the heating for this high power walkie talkie, we have done special handling on the software with a strong radiator added, which makes it has no problem for long time continuous working.

When SA858 is connected with SA858-PJ, it is easy to organize a professional all in one walkie talkie system, the system include 16 predefined frequency channels, adjustable volume, configurable CTCSS/CDCSS. User need only to connect with power supply and speaker.

Datasheet

Features

• UHF band 400~470 MHz
• Tx and Rx frequency can be set alone
  
• Band width 12.5/25 KHz
• Output power up to 4W
• Distance up to 7 to 10 km in Open area
• High sensitivity：-124 dBm
• High integrated and small size
• 38 CTCSS & 166 CDCSS (can be set by PC software and serial port)
• 8 adjustable digital volume
• Analog volume adjustable limitless
• High / low output power selection（1W/4W）
• Wide range of working voltage 3.3-9 V
• 1ppm TCXO, stable performance

Applications

• Small professional walkie talkie
• Invisible intercom system
• Building community security system
• Sport products
• Handheld / Pocketable device
• Audio surveillance system