Internal radio

Depending on the model you have purchased, the receiver is available with one of the following internal UHF radios:

• MPS566-2:

  • Dual-band (selectable):

    • 410 to 475 MHz: Worldwide excluding S. Africa, Thailand, and UAE (depending on the local licensing) (P/N MAR‑MPS566‑2‑50).

    • 900 MHz: Fully integrated, internal 900 MHz radio; Tx/Rx 1 W transmit power (P/N MAR‑MPS566‑2‑50).

  • 450 MHz only (ETSI compliant for S. Africa, Thailand, and UAE):

    • 403 to 473 MHz (P/N MAR-MPS566-2-40).

The UHF RF connector on the receiver is Reverse Polarity TNC, which on older Trimble receivers was only used for 900 MHz internal radios. The new 6” combined 450/900 MHz antenna (P/N 123588) has a Reverse Polarity TNC to suit the receiver.

External UHF antennas

External UHF antenna kits are available to suit both 450 and 900 MHz internal radios:

Antenna kit	P/N
External UHF antenna, 430 to 450 MHz, R750, MPS566	56510‑64
External UHF antenna, 450 to 470 MHz, R750, MPS566	56510‑66
External UHF antenna, 900 MHz, R750, MPS566	56510‑90

Items in the external UHF antenna kits

Item	P/N
Cable – NMO/RP-TNC Adapter Cable (5 m LMR-200)	129808‑05
Radio – Radio antenna, 5 db whip	24253‑xx
Bracket, remote SiteNet 900 or SiteNet 450 Radio Antenna (new base station)	49102
Bolt, HEX, 5/8-11 × 1	9831‑2020

Existing antennas

• Existing 8” 900 MHz whip antennas may be used with the receiver 900 MHz model.

• Existing SPS855 external 900 MHz antenna accessories can be used with the receiver.

• Existing SPS855 external 450 MHz antenna accessories are not compatible with the receiver.