• Duplex hotspot board with ANTs ,Mini Repeater

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Duplex hotspot board with ANTs, DMR C4FM D-STAR NXDN POCSAG


Duplex_Mini hotSPOT board with Ceramic Antenna


If you need high power repeater, please consider the MMDVM repeater product  


User‘s Manual 

PDF Download https://www.bi7jta.org/files/UserManuals/

Youtube Page  https://www.youtube.com/wintershuang


Support Digital Mode: DMR  YSF|C4FM  P25  NXDN  DSTAR  POCSAG

Double timeslot in DMR mode, work as a mini Digital repeater.

Support VHF/UFH/850MHz, 

Frequency Range: 144MHz-148MHz, 420MHz-475MHz,842MHz-950MHz,  

Avoid satellite frequency:  145.8~146.0 MHz ,  435~438.000 MHz

High-quality TCXO, stable with low BER.

Support Raspberry Pi 3B, 3B+, 3A, 4B, Pi ZERO(W), Compatible with NanoPi NEO, Orange Pi, Compatible to BlueDV(Required to add USBtoTTL or Bluetooth model)

Including & components
1x PCB with complete soldering,
2x ANTs 5CM length,
1x 4PINs header connect to Nextion LCD

The default  antenna is black color with 5CM length, the silver Alloy Case use white color antenna. If you need other lengths, please leave me a message.

See the components for detail.

PAYMENT : Paypal offline

SHIPPING:  https://www.bi7jta.org/cart/index.php?route=product/product&product_id=51

Specs and Docs:
MCU: STM32F103C8T6
Transceiver IC: ADF7021,Programmable output power: -16dBm to +13dBm
TCXO: 14.7456MHz,±2.5 ppm
HAT: 1.6mm thick, unleaded process


After sales and support:
bi7jta@gmail.com  Facebook Message https://www.facebook.com/winters.cn/ ,  Twitter , Telegram, Whatsapp: +8613927458201

Product show:

With OLED 0.96' and 1.3' 

Click to view big image

Click to view big image

With Nextion/TJC screen

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With Raspberry Pi 3B

Click to view big image

AlloyCaseAllComplete-RPi_3B & AlloyCaseAllComplete-RPi_4B2G

Vertical SMA interface and antenna (Must remark this reqiurement when your check out)


Wiki for Setting guide


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Duplex hotspot board with ANTs ,Mini Repeater

  • Brands NANO-Wireless
  • Product Code: DUPLEX_HS
  • Availability: In Stock
  • $59.00

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