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Reach RS3 Specification

Performance specs​

Datasheet for Reach RS3 [PDF, 680 KB]

Ports overview​

SIM card slot​

Reach RS3 has a built-in LTE modem with 3G/2G fallback and global coverage. To get the corrections from NTRIP, you can simply insert the GSM SIM card inside Reach RS3 and set it up following the Connecting Reach to Internet via built-in modem guide.

External bottom connector​

Reach RS3 has External bottom connector which can be used in several ways:

  • To supply constant power from an external battery. In Emlid Flow, you can also configure the receiver to automatically turn on and off when an external battery is connected or disconnected. It's useful when you want to set up RS3 as a permanent base or integrate it with a tractor for precision agriculture.

  • To establish RTK communication with third-party devices. You can connect an external radio via External bottom connector and stream corrections using RS-232 serial communication protocol.

  • To stream Reach's position to other devices or third-party apps. You can connect a device or third-party app via External bottom connector and stream Reach’s position using RS-232 serial communication protocol. You just need to enable the Position streaming option in Emlid Flow.

USB-C port​

Reach RS3 receiver can be charged via a USB-C cable connected to the power bank or USB adapter.

To establish RTK communication with third-party devices, you can connect external radio via USB-C port.

You can enable the Position Streaming to other devices or third-party apps via USB-C port. You just need to turn on position streaming in Emlid Flow.

LoRa radio port​

Reach RS3 has a built-in low-powered LoRa radio for RTK communication between Reach devices. Attach the LoRa antenna and set up the LoRa link following the How to set up RTK over LoRa radio guide to work on the baselines up to 8 km in the line of sight Emlid Flow.

5/8" thread​

Reach RS3 can be placed on the survey pole or tripod using this thread.

Mechanical specs​

File nameDownload link
Reach RS3 general drawingreachrs3-drawing [PDF, 1.4 MB]
Reach RS3 3D model in STEP formatreachrs3 [STEP, 38.6 MB]
Reach RS3 3D model in IGES formatreachrs3 [IGES, 43.7 MB]

Electrical specs​

Antenna reference point (ARP) of Reach RS3 is situated on the bottom of the receiver. For Reach RS3, the distance between the ARP and GNSS antenna is 134 mm.

Reach RS3 External bottom connector pinout [PDF, 501 KB]

Extension cables specs​

Cable typeDownload link
Without second connector 2mwithout-connector [PDF, 135 KB]
DB9F 2mDB9F [PDF, 139 KB]
DB9 2mDB9 [PDF, 139 KB]

Serial Number​

Scan the QR code under the SIM card slot cover to see serial number of your Reach RS3.