SA868-UHF 2W, 400~470 MHz, 5Km Analog Walkie Talkie Module

SA868-UHF 2W, 400~470 MHz, 5Km Analog Walkie Talkie Module

The SA868-UHF 2W is a walkie-talkie module designed for two-way communication in the UHF (Ultra High Frequency) band, specifically operating in the frequency range of 400 to 470 MHz.

SA868 is a cost-effective integrated professional walkie talkie module, built-in high-speed microcontroller, high-performance RF transceiver chip and RF power amplifier, and provides a standard serial port to communicate with the module, so that the module's related parameters can be set quickly and easily. Function control. Users only need to connect an audio amplifier, microphone, and speaker to this module to work as a small walkie-talkie. The simplified interface and ultra-small size make this module widely available, and can be easily and quickly embedded in various handheld devices to improve the overall performance of the terminal products.

Datasheet

Features

• UHF band 400~470 MHz
• Transmit receive frequency independent
  
• Bandwidth 12.5 KHz
• RSSI signal strength indication
• Open distance is 5 kilometers
• High receiving sensitivity: -124 dBm
• Highly integrated small volume
• 38-level CTCSS analog sub-audio code
• 166-level positive phase,inverted CDCSS digital sub-audio
• 8-level squelch
• 8-level adjustable volume
• High and low power options (1.6-1.8W)
• Wide operating voltage 3.3-5.5 V
• Stable with 1ppm TCXO crystal

Applications

• Small walkie talkie
• Ignore the intercom system
• Building community security system
• Outdoor sports products
• Audio monitoring system