Specifications:

Frequency: 900MHz 915MHz

Antenna Length: 145mm

Colour:Black

Connector: RP TNC Plug (female socket)

100% Brand new and top quality

Replacement antenna for Topcon GPS system

This antenna is Network antenna for GPS

For GPRS /CDMA /WCDMA, receive mobile phone G cors signal 

The antenna has a TNC (screw in)connector with female center

Works with following GPS:

Topcon GR-3 , Topcon GR-5 , Topcon Hiper Lite+