Topcon RE-S1 GPS

Topcon is pleased to announce the versatile RE-S1 1 watt radio extension system with field-proven, 915+ technology. The RE-S1 can be utilized as a transmit/receive external 915+ radio with any Topcon receiver or as a stand-alone repeater to increase range between base and rover.
Features Include:
1 watt transmitting power for long range communication between base and rover receivers
Repeater mode allows operational range to be extended
Compatible with any Topcon GNSS receiver and supports all products with 915+ radio technology
No FCC licensing required
Can be used as mobile repeater with optional car lighter adapterPhysical
RE-S1
Enclosure     Aluminum
Dimensions     W:145 x H:110 x D:35 mm
Weight     0.4 kg
Antenna     External
Battery     External (no internal power source)
Controller     External
LEDs     One LED: RX TX – modem status
Communication I/O
Communication Ports     Two high speed RS232 serial ports
Port specifications     RS232 Serial Port
Baud rate: 460800,230400,115200(Default),57600,
38400,19200,9600,4800,2400,1200,600, 300
Flow control: RTS/CTS
Length: 7,8 (default)
Sop bit: 1 (default), 2
Parity: None (default), Odd, Even
Connectors     Modem Antenna (reverse polarity TNC), PWR, RS232
MINTER     One LED (see “LEDs” on page 9 for details)
Antenna Type
Type     1/2 wave articulating whip
Connector     Reverse polarity TNC
Gain     2.5 dBi
Modem and Connector
Modem     Spread Spectrum
Type     Reverse polarity TNC
Signal Type     Modem I/O
Dir     I/O
Details     RF/GSM output from modem antennaenvironmental
Operating temperature     40 C° to +55 C°
Storage temperature     40 C° to +75 C°
Humidity     95%Performance
General Modem Details
Frequency Range country/region/purpose dependent 902 to 928 MHz, United States 915 to 925 MHz, Australia
Signal structuring     Frequency-hopping spread spectrum
Hopping pattern     5 per band, user-selectable
Hopping channels     128
Occupied bandwidth     100 KHz
Frequency modulation technique     FSK, 64 Kbps
System gain     29 dB
Operation mode     Transmitter, Receiver, Repeater
Protocol     FH915, FH915+
Data Communications
Serial interface     RS232
Serial data rate     9600, 19200, 38400, 57600 bps, user selectable
Effective radio link rate     9600, 10200, 17000, 51000 bps User selectable for FH915; automatic selection for FH915+
Error correction     FEC (15.7), majority decoding