Toshiba HHGP1 - Manual (Page 26)

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TECHNICAL DATA
Ratings
DC power supply: 48Vdc-10W
(Operative range: 38.4 to 57.6Vdc)
AC ripple on dc supply IEC 60255-11: maximum 12%
DC supply interruption IEC 60255-11: less than 10ms at 48Vdc
Permitted duration of dc supply voltage
interruption to maintain normal operation
Mechanical design
Weight: 2.7kg
Installation: Flush mounting
Receiving function
Number of receiving satellites: Eight satellites received in parallel
Receive signals: L1 C/A code
Receive frequency: 1575.42 MHz
Time transfer accuracy
Within±2µs with respect to UTC（When the receiver is tracking GPS Satellites）
Data backup
Data life: more than 16 hours
Communication Interface
Connection: ST connector
Cable type: GI multimode optical fibre (62.5/125 µm or
50/125 µm)
Wavelength: 820nm
Cable Length: 0 to 1km (3dB/km)
GPS antenna interface
Preamp power supply for Antenna Min 4.5V(at 20mA), Min 4.0V(at 40mA)
Connection: BNC connector
Cable type: 50 ohm coaxial cable
GPS antenna
NF: Max 3dB
Gain: 10 to 35dB(Antenna + Amp + Cable)