SATEL Compact-4BT


SATEL Compact-4BT radio modem combines UHF radio modem, Bluetooth and internal battery with IP67 classified housing. It is an excellent choice when you do not have an integrated radio module inside the device or when cabling between the device and external radio is not practical.

For demanding field conditions

SATEL Compact-4BT is particularly well suited for outdoor use under varying weather conditions, for example in applications such as land surveying, agriculture and machine control.

Easy mobile use with great features

  • Long-range UHF multichannel radio modem and short-range Bluetooth guarantee the connectivity to different rovers and other devices
  • The lithium-ion battery provides long-lasting performance and plenty of operating hours
  • IP67 ensures that the radio modem is waterproof and secured against dust
  • Wireless modem configuration via Bluetooth (Android app)
  • Wireless data transfer via Bluetooth (SPP)
  • USB connections (serial data, modem configuration)
  • Easy to carry
  • Versatile mounting options
  • Exceptional vibration tolerance; excellent choice for robust mobile use
  • AES128 encryption support available

SATEL Compact-4BT is compatible with many other SATEL radio modems and also with other manufacturers’ modems.

Easy configuration

SATEL Compact-4BT can be configured by using the well-known SATEL Configuration Manager or SaTerm programs, or by a mobile application called SATEL NETCO mobile. Mobile application can be downloaded from Google Play.

Available accessories:

Frequency range 403…473 MHz
Tuning range 70 MHz
Channel spacing 6.25*), 12.5, 20*) and 25 kHz, software selectable

*)uses 12.5 kHz channel width

Sensitivity/Carrier power -116 dBm / 0.1, 0.2, 0.5, 1 W
Interface RS-232 / USB
Bluetooth BT2.1 + EDR and BLE 4.1
Data speed Radio 28800 bps / Serial 115200 bps (25 kHz)
Operating voltage +12 … +30 Vdc
Power consumption
12 Vdc
Charging: 7.4 W
Charging + RX: 8.4 W
Charging + TX: 13.2 W @ 1 W RF
Device OFF: 0.46 W
RX: 1.32 W
TX: 5.8 W @ 1 W RF
Operational time
6 hours @ TX 1 W (50 %)
8 hours @ TX 0.5 W (50 %)
20 hours @ RX only
Charging time
4 hours @ 2 A
Size/Weight 165 x 55 x 55 mm / 420 g
Connectors M12 circular / TNC female
CRF-1 (YC1101) RG58, lenght 1 meter with TNC male / TNC female -connectors
CRF-5F (YC1105) /
CRF-5M (YC1106)
RG-58, lenght 5 meter with TNC male / TNC female -connectors OR CRF-5M TNC male / TNC male -connectors
CRF-50 (YC1150) Length 50 cm with TNC male / TNC male from band-pass filter to radio
ECOFLEX10 (YC1004) Low loss (0.9 dB / 10 m) cable for cable lengths upto 20 meter with N or TNC -connectors
ECOFLEX15 (YC1005) Low loss (0.6 dB / 10 m) cable for cable lengths over 20 meter with N -connectors
DC/RS232 (YC0400) Power cable 1 m, M12 / D9 female / 2.1 mm DC jack male
DC/USB (YC0401) Power cable 1 m, M12 / USB A plug / 2.1 mm DC jack male
Antennas Half Wave, Quarter Wave, Helix, Directional and Omnidirectional Antennas