SA828 1.5W Full-featured Miniature Walkie Talkie Module UHF VHF

SKU: SA828-001
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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 e
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  • Frequency:
    UHF
    VHF
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  • SA828 1.5W Full-featured Miniature Walkie Talkie Module UHF VHF
  • Description

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.

Specification

Parameter Test condition Min Typ. Max Unit
Power supply   3.3 4.2 5.5 V
Working Temperature range   -30 25 70
Current Consumption
Sleep current     ≤3   uA
RX current     60   mA
TX current(High power)     800 900 mA
TX current(low power)     350 450 mA
Transmitting RF Parameters
Frequency range UHF 400  450 480 MHz
VHF 134 150 174 MHz
Out power(high power) @VCC=4.0V 30 31.5 32.5 dBm
Out power(low power) 25 26.5 28 dBm
modulation sensitivity @1.5KHz/2.5KHz Frequency deviation   10   mV
Audio distortion @1.5KHz/2.5KHz Frequency deviation   2 5 %
Signal to noise ratio @1.5KHz/2.5KHz Frequency deviation 38 40 45 dB
Adjacent-channel power @12.5K offset   -60   dBc
CTCSS modulated frequency deviation   0.35 0.5 0.75 KHz
RX frequency Parameter
RX sensitivity     -124   dBm
RX SNR @1.5KHz               Frequency deviation 45 50   dB
Audio output power     2   W
Audio output impedance     8   OHm


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
  • External potentiometer to adjust volume
  • 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
  • 1 ppm KDS TCXO crystal, Stable performance

Application

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

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