UHF 400-480mhz Digital Mobile Radio VHF 134-174MHz 2W 8Km Audio Transceiver Module
UHF 400-480mhz Digital Mobile Radio VHF 134-174MHz 2W 8Km Audio Transceiver Module
Features
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UHF band frequency: UHF 400-470mhz / VHF 134-174MHz / 320-390MHz
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Distance up to 8Km
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Max power output to 2W
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low power to 0.5W
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High Sensitivity:-124dBm
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Bit error rate down to 1% under -121dBm
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Independent frequency for Tx and Rx
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Bandwidth: 12.5 / 25 KH
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Voice and text messages communication
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Reminder for input calling, calling status checking
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DMR /Analog walkie talkie
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Message transmission and reception
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Built-in EEPROM, data saved even powered off
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1ppm TCXO crystal
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51 CTCSS
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166 CDCSS
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9 adjustable volume
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Enhanced encryption of Voice and Text message
Application
- Small professional walkie talkie
- Invisible intercom system
- Building community security system
- Sport products
- Handheld / Pocketable device
- Audio surveillance system
Pin Definition
| Pin No. | Signal Name | Definition | Description | Remarks | ||
| Power | 1 | VCC | DC12V±10% | Maximum transmission current: 1.5A | ||
| 2 | GND | Grounding of power supply | ||||
| Signal base | 1 | GND | Grounding of power signal | |||
| 2 | A(TXD) | Data receiving | TTL TX / RS232 TX / RS485－A | Choose one | ||
| 3 | B(RXD) | Data transmitting | TTL RX / RS232 RX / RS485－B | |||
| 4 | NC | |||||
| 5 | DGND | Grounding of Signal | ||||
| 6 | PTT | Audio transmitting control | ||||
| 7 | MIC IN | Microphone input control | ||||
| 8 | SPEAKER OUT | Speaker output control | ||||
| 9 | TEST | Factory testing | ||||
Pin Definition
| Pin No. | Signal Name | Definition | Description | Remarks | ||
| Power | 1 | GND |
Grounding of power supply
|
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| 2 | VCC | DC12V±10% | Maximum transmission current: 1.5A | |||
| Signal base | 1 | RxD (TTL) | Data receiving of TTL | |||
| 2 | A(TXD) | Data receiving | RS232 TX / RS485－A | Choose one | ||
| 3 | B(RXD) | Data transmitting | RS232 RX / RS485－B | |||
| 4 |
TxD (TTL) |
Data Transmitting of TTL | ||||
| 5 | DGND | Grounding of Signal | ||||
| 6 | PTT | Audio transmitting control | ||||
| 7 | MIC IN | Microphone input control | ||||
| 8 | SPEAKER OUT | Speaker output control | ||||
| 9 | TEST | Factory testing | ||||
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