برد توسعه، کیت‌ و پروگرامر برد ارزیابی (Evaluation) برد و کیت‌ ارزیابی و نمایش عملکرد

Product Attributes

Introduction

SA828 is a high cost-effective full-featured walkie talkie module with 1.5W output power, it comes with built-in high performance microcontroller, narrow band RF transceiver IC and RF power amplifier, all parameters(CTCSS, CDCSS, SQ, Predefined channels etc.) can be easily modified by PC software, Users only need to add external power supply, speaker, and audio taper, then it becomes a miniature walkie talkie with 16 adjustable channels. Simplified interface and Ultra small size make this module widely used in various applications and conveniently embedded into various handheld.

Features

• UHF Frequency: 400~480 MHz
• VHF Frequency: 134~174 MHz
• 350 band frequency: 320 - 400MHz (3 frequency bands are optional)
• Tx and Rx frequency can be set alone
• Bandwidth 12.5 / 25 KHz
• Output power up to 1.5W
• Distance up to 4 - 5km in open area
• High Sensitivity: -124 dBm
• High-integrated, Small Size
• 38 CTCSS (can be set via PC software and serial port)
• 166 CDCSS (can be set via PC software and serial port)
• 8 level squelch
• High/ low power is optional（500mW/1.5W）
• Wide range of working voltage 3.3 - 5.5 V
• External potentiometer to adjust volume
• 1 ppm KDS TCXO crystal, Stable performance

Applications

• Small walkie talkie
• Invisible intercom system
• Outdoor Sport products
• building community security system audio surveillance system