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[China]
Trade Verify
Address: 701, Yongchang Building, Xicheng Industrial Zone, Xixiang, Bao'an District, Shenzhen, China 518126
Contact name:Sunny
Shenzhen Qianhai Lensen Technology Co., Ltd |
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Verified Suppliers
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UHF 400-480mhz Digital Mobile Radio VHF 134-174MHz 2W 8Km Audio Transceiver Module
Features
UHF band frequency: UHF 400-470mhz / VHF 134-174MHz / 320-390MHz
Distance up to 8Km
Max power output to 2W
low power to 0.5W
High Sensitivity:-124dBm
Bit error rate down to 1% under -121dBm
Independent frequency for Tx and Rx
Bandwidth: 12.5 / 25 KH
Voice and text messages communication
Reminder for input calling, calling status checking
DMR /Analog walkie talkie
Message transmission and reception
Built-in EEPROM, data saved even powered off
1ppm TCXO crystal
51 CTCSS
166 CDCSS
9 adjustable volume
Enhanced encryption of Voice and Text message
Application
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 | ||||
