All-in-one Walkie Talkie Module Kit SA828 UHF FM Transceiver Small Volume Embedded Wireless Interphone Module
Product Features:
Full frequency band 400~480 MHZ/134~174MHZ
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 | 10 | mV | ||
Audio modulation distortion | ®1. 5Khz/2. 5KHZ Frequency offset | 2 | 5 | % | |
Signal to noise ratio | ®1. 5Khz/2. 5KHZ Frequency offset | 38 | 40 | 45 | dB |
Adjacent channel power | @12.5K offset | -60dBc | dBm | ||
CTCSS modulation frequency offset | 0.35 | 0.5 | 0.75 | KHz | |
Receiving RF parameter | |||||
Receiving sensitivity | 13dB output voice signal ratio | -124 | dBm | ||
Receive signal to noise ratio | @1.5KHZ frequency offset | 45 | 50 | dB | |
Audio output amplitude | 2 | W | |||
Audio output impedance | 8 | ohm |
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Pin number | Pin definition | Description | ||||||||||||||
1 | MIC+ | External microphone positive | ||||||||||||||
2 | MIC-&a
Contact Sales All-in-one Walkie Talkie Module Kit SA828 UHF FM Transceiver Small Volume Embedded Wireless Interphone Module
EB0042233
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Wireless Module
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