Diamond Antenna SG-M510 User manual

Specifications
FREQUENCY: 2m: 144-148 MHz, 70cm: 440-450 MHz
GAIN : 2m: 2.15 dBi, 70cm: 5.5 dBi
POWER : 100 Watts
ELEMENT PHASING : 2m: 1/2l, 70cm: 2 5/8l
IMPEDANCE : 50 Ohms (nominal)VSWR : 1.5:1 (nominal)
LENGTH : 37”
WEIGHT : .3 lbs.
MOUNT : UHF Male
WARRANTY : 1 year against defects in material or workmanship.
Recommended Mounts: Any Diamond K-Series mount with UHF base connector.
Antenna Assembly
1. Remove antenna from package and inspect contents to insure it is complete.
2. Choose desired mounting location to insure maximum strength of mount, and best performance of antenna.
3. Install antenna on vehicle. With quality VSWR meter, check VSWR. The SG-M510 is pre-tuned and should not require
any additional tuning.
4. Tighten setscrews. Recommend using removable Loctite Threadlocker #242 or similar product on setscrews.
Foldover Hinge Assembly
Lift upper half of foldover hinge vertically out of its conical socket, avoiding the use of the sockets’ edge as a fulcrum.
Position hinge to permit foldover in desired direction. Care should be taken when folding over, not to damage vehicle
or antenna. Do not drive with antenna in folded position.
SG-M510
2m/70cm Dual-Band Mobile Antenna
DIAMOND ANTENNA Products are distributed by RF PARTS COMPANY
435 S. Pacific Street ¥ San Marcos, CA 92078 ¥ [phone]
www.diamondantenna.net

Assembly Diagram Foldover Diagram
VSWR (nominal)
WARNING!
PLEASE READ BEFORE INSTALLATION
MOBILE ANTENNA: For ease of installation, DIAMOND ANTENNA MOBILE MOUNTS are strongly recommended. In
some cases, mobile mounts of different manufacturers’may not interface well with DIAMOND Antennas. DIAMOND Mobile
antennas are pre-tuned to give best possible performance on the band(s) for which they are designed. In some installations,
minor VSWR adjustment may be made by moving the antenna up/down at the base end. Two set screws at the foldover hinge
allow for adjustment.
LARGE GVW TRUCK AND OFF ROAD VEHICLES: Due to the excessive vehicle vibration, antennas exceeding 45” are
not recommended. In any event, antennas damaged by excessive vibration are not covered by warranty. Any
tampering, cutting or attempted adjustment of this antenna beyond our recommendations may void all warranty. If you have
any questions, please call Diamond Customer Service Dept. at [phone].
2m
1.7
1.5
1.3
1.1
144MHz 145MHz 146MHz
70cm
1.7
1.5
1.3
1.1
440MHz 450MHz
metric 1.5mm
allen wrench
#10701
antenna rod assembly
set screws M4X3
#10702
foldover hinge assembly
#10703
base matching section
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