SA618F22 is an embedded wireless digital and audio 2-in-1 full duplex transmission module. Users can not only transmit data wirelessly through the serial port, but also transmit voice signals wirelessly through the I2S digital audio or audio interface. The module has built-in high-speed microcontroller, high-performance RF chip and amplifier, and adopts broadband spread spectrum technology, which has the features of low power consumption, long distance, and flexible frequency adjustment, etc. The SA618F22 can support the function of multiple concurrent and concurrent receivers as well as multi-stage repeater remote transmission. This module adopts highly integrated design, the user only needs to connect the audio amplifier, microphone and speaker on the module, then it can easily realise the remote wireless transmission of digital voice.SA618F22 can realise the full-duplex wireless digital transmission function with relay through the serial port.SA618F22 supports over-the-air upgrading or serial port upgrading. The SA618F22 can set the internal parameters of the module and control the transceiver function through the serial port easily and quickly.The SA618F22 is strictly manufactured and tested by lead-free process, which is compliant with RoHS and Reach standards.
- Features
● Frequency range: UHF 420-510 MHz (can be customised 150-960 MHz)
● Up to 8 devices transmit at the same time (receive unlimited)
● Support echo cancellation
● Push-button intercom and VOX intercom dual mode
● High integration and small size
● Sleeping and low power consumption
● I2S Digital Audio + Audio
● Line In + Mic Input
● Full Duplex Data Transmission
● Multi-Level Wireless Repeater
● Supports OTA and serial upgrades
● Open field transmission range of 1-3 km
● High receiver sensitivity: -117 dBm
- Application areas
● Fire emergency communication
● Subway, tunnel communication
● Cycling system
● High-end full-duplex walkie-talkie
● Conference phone system
● Building community security system
● Security of special scenes
● Headset type walkie-talkie
● Special work operation intercom
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