Trimble Thunderbolt PTP GM200

PTP Grandmaster Designed for Small Cell, 4G and LTE-a Deployments

Manufacturer: Trimble
Trimble Thunderbolt PTP GM200

The Trimble Thunderbolt® PTP Grandmaster Clock is designed for wireless networks requiring phase synchronization. The GM200 provides continuous availability of UTC traceable time for phase synchronization, a must for LTE-Advanced networks and services.

The Thunderbolt PTP GM200 employs industry-leading Trimble GNSS solution & holdover technology.

The PTP GM200 can tolerate harsh environmental conditions supporting both indoors & outdoors deployments with an extended operating temperature range.


The Thunderbolt PTP GM200 is designed with small cells in mind but also it meets Marco base station requirements for synchronization.

The Thunderbolt PTP GM200 supports small cells networks that require phase synchronization. The most efficient way to implement phase synchronization for LTE & LTE-A services is to deploy the grandmaster clock close to target eNodeBs to ensure 1.5 us of phase alignment.

By reducing network hops between the grandmaster and LTE base stations, the risk of network reconfiguration and load variance on IEEE-1588 signal quality is reduced. The Trimble GM200 suits this strategy perfectly due to its small size, low cost, superior accuracy & reliability and flexibility of deployment options.


CoMP, eICIC, eMBMS and Carrier Aggregation services require that synchronization networks be requalified and redesigned to support phase synchronization. Non-compliance with phase sync specifications will result in low or no service from LTE-A equipment and degraded bandwidth leading to potential service outages.

By engineering current networks to support phase synchronization, LTE-A services downtime can be mitigated. Phase synchronization can easily be supported by current sync networks with the GM200 by adding it where needed. Given its low cost, it can be added to any network requiring support for the stringent phase synchronization specifications that LTE-A services require performing at their optimal levels.

High reliability assures that the GM200 can be deployed in edge and/or aggregation networks.


GeneralInputs: GNSS (GPS, GLONASS, Beidou & Galileo), 1588-PTP, SyncE
Outputs: PPS, 10MHz, NTP, PTP, SyncE
Ethernet Ports: 1x Mgmt RJ45, 1x 1G SFP, 1x 1G RJ45
Antenna connector: SMA
PPS connector: BNC
Network Management: SNMPv2, HTTPS, CLI
Protocols: PTP, NTP & SyncE

ITU:G.8265.x, G.8275.x (PRTC/T-GM)
IEEE: PTP (IEEE 1588v2)
IETF: NTPv4 (RFC5905)

CLI: Monitoring and Management
Web UI: Monitoring and Management
AccuracyTime of day accuracy: 15ns (1-sigma) from UTC
Time-stamp accuracy: <10 ns rms

• Accuracy: 1.16x10-12 (one day ave.)
• Holdover: <1x10-10 /24hrs

Time accuracy
• Tracking to PRC: <15ns (locked)
• Holdover: < ±1.5microseconds/4hrs (7 days locked)
ProtocolsIEEE-1588 (PTP), IPv4, IPv6, Telnet, SFTP, SSH
OtherNetwork Management
• SNMPv2
• HTTP (information viewing only)

User Interfaces:
• CLI: Monitoring and Management
• Web UI: Monitoring Only


ElectricalThe standard input power is -36VDC to -72VDC
The Thunderbolt® PTP GMC provides a 6 pole terminal block to connect dual DC power inputs.
Power consumption: 330mA (max)
Power-over-Ethernet (POE): Optional
Mechanical208 mm x 200 mm x 44 mm
19" x 1U (half rack)
TemperatureTemperature range (operation): –40 to +85°C
Temperature range (storage): –55 to +105°C
Humidity5–95% non-condensing @ 60°C
Weight< 3 Kg; 6 lb
Safety/CertificationUL EN 62368-1
CE, CISPR32 class A
GR-63; Level 3
ETSI (EN55032/EN55024) EN 300019, Class T3.2

2014/53/EU (RED Directive)
2011/65/EU (RoHS2 Directive)
2012/19/EU (WEEE Directive)
EMCFCC Part 15 Class B / ICES 003 Class-B
Korea KN32 / KN35 Class A
EU: 301 489-1, EN 301 489-19 EN 303 413
IEEE: 1613-1
Telcordia: GR-1089
Warranty1 Year



Board111224-10 Thunderbolt PTP GM200 Grand Master (PTP+NTP)
111224-20 Thunderbolt PTP GM200 Grand Master (PTP)
Accessories102011-90 GMC Antenna Kit
101155-00 Bullet 360 Antenna 5V TNC
112413 Surge Protector - 800MHz to 2500 MHz
112383 Power Adapter - 110/220VAC to -48VDC
112591 Cable - 75' TNC (m) to TMC (m)
112590 Cable - 12' TNC (m) to SMA (m)
40552-00 Antenna Pole and Mount

Antenna Kit includes Bullet 360 antenna, 75 feet meters cables from antenna to surge-protector, surge protector and 12 feet meter cable from surge protector to Thunderbolt
Recab UK
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