SA818 Wireless Walkie Talkie Module UHF 400-480 MHz Audio

SA818 Wireless Walkie Talkie Module UHF 400-480 MHz Audio Module #34;Welcome To My Store.. Budayakan Membaca Sebelum Membeli..!! Barang Yang Anda Lihat Ini Barang PO (Pre-Order) Produk Import (Luar Negri).. Pengiriman Super Cepat Dengan Estimasi Waktu Tiba Di Jakarta Antara 10-12 Hari.. Packing Aman dan Pastinya Rapi.. Produk 100% Original.. Happy Shopping ..!! null Manual: Click here to open Introduction: SA818 is a cost-effective integrated professional walkie-talkie module with built-in high-speed microcontroller, high-performance RF transceiver chip and RF power amplifier, and provides standard TTL serial port to communicate with the module, which can quickly and easily set the relevant parameters of the module and Transceiver function for 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. Feature: UHF band 400~480 MHZ Transmit receive frequency independent Bandwidth 12.5 KHz Output power up to 1W Open distance is 4-5 km 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 (500mW-1W) Wide operating voltage 3.3-5.5 V Built-in EEPROM, data power-down save Stable with 1ppm TCXO crystalApplications: Small walkie talkie Ignore the intercom system Building community security system Outdoor sports products Audio monitoring systemParameterTest ConditionsMIN.TypicalMAX.UNIT Operating voltage range 3.34.25.5V Operating temperature range -302570℃ Current EL-1429963