Diamond Antenna CR8900A Instruction Sheet

The CR8900A is a 10m/6m/2m/70cm FM Quad Band Mobile antenna. Specifically designed to work with Yaesu
model FT8900R radio. (Tuned for FM segment of each Amateur band.)
FREQUENCY:
GAIN:
POWER:
IMPEDANCE:
VSWR:
ELEMENT PHASING:
GROUNDING:
LENGTH:
WEIGHT:
MOUNT:
WARRANTY:
RECOMMENDED MOUNTS: K400C, K400S, K600M or K600S trunk mounts.
NOTE: THIS ANTENNA REQUIRES TUNING TO DESIRED FREQUENCY. USE QUALITY VSWR METER
TO INSURE PROPER ADJUSTMENT. THE CR8900A REQUIRES PROPER VEHICLE GROUND.
MOUNTING LOCATION WILL AFFECT VSWR. NOT RECOMMENDED FOR MAGNET MOUNTS OR
MOUNTING IN CENTER OF ROOF.
(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 proper vehicle ground to yield best
performance of antenna. NOTE: MATCHING NETWORK IS COMPENSATED FOR TRUNK LIP MOUNTING
AND IS NOT RECOMMENDED FOR CENTER ROOF MOUNTING.
(3) Install antenna on vehicle. Be sure the mount has screws contacting Trunk Lid.
(4) With quality VSWR meter, check VSWR of each band for proper tuning.
10m/6m/2m/70cm FM Mobile Antenna
Optimized for Trunk Lid Mounting
29.5-29.7/51-54/144-148/440-450 MHz
2.15 dBi (10m/6m), 2.15 dBi (2m), 5.5dBi (70cm)
60 Watts FM
50 Ohms
1.5:1 (Nominal)
1/4 Wave (29/50), ½ Wave (2m), 2-5/8 Wave (70cm)
Required for optimum performance
49 1/2"
1.2 lbs. (490g)
UHF MALE (PL259)
1 Year against defects in material or workmanship.

INSTALLATION INSTRUCTIONS

DIAMOND ANTENNA Products are distributed by RF PARTS COMPANY
435 S. Pacific Street • San Marcos, CA 92078 • (760) 744-0900
www.diamondantenna.net
CR8900A
Instruction Sheet

Specifications