All-in-one Walkie Talkie Module Kit SA828 VHF FM Transceiver Small Volume Embedded Wireless Interphone Module
Tax included.
Feature:
Full frequency band 400~480 MHZ/134~174MHZ
Transmit receive frequency independent
Bandwidth 12.5/25 KHz
Output power up to 1W
Open distance is 4-5 km
High receiving sensitivity: -124dBm
Highly integrated small volume
38-level CTCSS analog sub-audio code (available with PC software and serial port)
166-level CDCSS digital sub-audio (PC software and serial port can be set)
8-level squelch
Volume external potentiometer adjustment
High and low power options (500mW-lW)
Wide range of operating voltage 3.3-5.5V
Built-in EEPROM, data power-down save
Stable with 1.5ppm TCXO crystal
Applications:
Small walkie talkie
Ignore the intercom system
Building community security system
Outdoor sports products
Audio monitoring system
| Parameter | Test Conditions | MIN. | Typical | MAX. | Unit |
| Operating voltage range | 3.3 | 4.2 | 5.5 | V | |
| Operating temperature range | -30 | 25 | 70 | °C | |
| Current consumption | |||||
| Sleep current | <3 | uA | |||
| Receiving current | 60 | mA | |||
| Emission current (high power) | 650 | 750 | mA | ||
| Emission current (low power) | 450 | 550 | mA | ||
| Transmitting RF parameter | |||||
| Operating frequency range | 400 | 480 | MHZ | ||
| Transmit power (high power) | @VCC=4.0V | 28 | 29.5 | 31 | dBm |
| Transmit power (low power) | 25 | 26.5 | 27 | dBm | |
| Modulation sensitivity | ®1. 5Khz/2. 5KHZ Frequency offset | ||||