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Case-mounted radio modem PROVHF400B with autonomous power supply

PROVHF400B is a series of case-mounted VHF radio modems in the range of 410-470 MHz with autonomous power supply.

The built-in battery provides up to 9 hours of operation at a transmission power of 2 W with a maximum transmission rate of 19200 bps.
PROVHF400B is compatible with the TRIMTALK, TRIMMARK, and Transparent-EOT protocols.
Interfaces supported are RS232, RS485, USB, CAN, Bluetooth, Wi-Fi.
Configuration via command and WEB interfaces is supported.
PROVHF400B has a light indication of a status of the device and interfaces.

The device documentation is available here

Radio modem PROVHF400B is under development. All specified technical data will be clarified during the design process

Applications requiring wireless transfer of corrective information, e.g. for RTK measurements, as well as monitoring of oil and gas fields, hydrographic surveys.

Frequency range
410-470 MHz
Operating mode
Semi-duplex
Channel width
25 kHz, 12.5 kHz
Modulation type
GMSK, 4FSK
Frequency stability
≤±1.0 ppm

Operating voltage
9-36 V

Operating voltage
12-36 V

2 W transmission
9 hours
0.5 W transmission
12 hours
Reception
16 hours

Antenna connector
TNC (female)
Antenna impedance
50 Ohm

Output high power (2 W)
33±1 dBm
Output low power (0.5 W)
27±1 dBm
Power stability
±1 dB
Harmonics
> 52 dB

Sensitivity
-115 dBm, BER 10^-3, 9600 bps
Deviation in the combined channel
> -12 dB
Adjacent channel selectivity
> 50 дБ при 25 кГц
Wi-Fi
802.11 b/g/n

Dimensions (L х W х H)
155 х 83 х 64 mm
Weight
600 g (without battery)

Informational
Wired interfaces and power supply are connected to 30 pins