Vanguard 3000 Multicarrier Cellular Data Modem & IP Router PN 134732-VG3000 Rev. D| Page 99
PCS: Personal Communications Service
PDP: Packet Data Protocol
PDU: Protocol Data Unit
PIN: Personal Identification Number
PPP: Point-to-Point Protocol
PPTP: Point-to-Point Tunneling Protocol
PRL: Preferred Roaming List
RADIUS: Remote Authentication Dial In User Service
RF: Radio Frequency
RSSI: Received Signal Strength Indication
RTU: Remote Terminal Unit
Rx: Receive
SIM: Subscriber Identity Module
SMA: SubMiniature version A (connector)
SMS: Short Message Service
TAIP: Trimble ASCII Interface Protocol
TCP/IP: Transmission Control Protocol / Internet
Protocol
TNC connector: Threaded Neill-Concelman connector
Tx: Transmit
UDP: User Datagram Protocol
UTMS: Universal Mobile Telecommunications System
VDC: Voltage, Direct Current
VPN: Virtual Private Network
Wi-Fi: Wireless Fidelity