Recommended radio configuration
Zenith UHF Base – Rover configuration
This table provides the recommended configuration for Zenith GNSS smart antennas.
Settings | Base (TRU35) Zenith Manager | Rover (Zenith) X-PAD Ultimate |
|---|---|---|
Frequency* | 410-470 MHz | Same as base |
Protocol | SATEL 3AS | Satel 3AS / Satel 4FSK |
Radio air interface rate / Channel spacing | 9600 (12.5 kHz) or 19200 (25 kHz) | Same as base |
Forward Error Correction (FEC) | On or Off | Same as base |
Emissive power* | Low (10 W) or High (30 W) | n/a |
Baud rate | 115200 With Zenith15/25 base set 19200 | n/a |
*Frequency and output power must follow national laws and regulations.
General compatibility overview
The below table shows the compatibility between the TRU35 external radio and the radio used on GeoMax rover GNSS receivers.
TRU35 | Satel TR4+ (Zenith16/60/60PRO) | TRM101 (Zenith55) | Microhard (Zenith15/25) | ||||
|---|---|---|---|---|---|---|---|
Protocol | FEC | Protocol | FEC | Protocol | FEC | Protocol | FEC |
SATEL 3AS | On/Off | SATEL 4FSK | On/Off | SATEL 4FSK | On/Off | - | - |
PCC-4FSK | On | Pacific Crest 4FSK | On | Pacific Crest 4FSK | On | - | - |
PCC-GMSK | On | Pacific Crest GMSK | On | Pacific Crest GMSK | On | - | - |
TRIMTALK (P) | Off | TRIMTALK GMSK 450S (P) | Off | TRIMTALK GMSK 450S (P) | Off | TRIMTALK (P) | Off |