CMMT ASSGN # 9 Different kinds of antenna, their function, matching and application

Application
SMA & optical fiber connectors, RF coaxial connectors, antennas for ham radios & cellular phones, RF linear amplifiers & boosters, cable assemblies, & metal products



ANTENNA 2
























Frequency Range VHF 174-230 / UHF 470-862MHz

Input Impedance 50 Ohm / 75 Ohm
Gain 3.5dBi
VSWR <1.5>

Antenna 3

RF 8.2MHz system

Specifications:
1) Stainless steel pipe, top ABS housing
2) Detection range: 1.3- 1.8m
3) Dimensions: 32 x 168cm
4) Center frequency: 8.2MHz±0.5MHz
5) Scanning frequency bias: ±500kHz
6) Scan rate: four optional
7) Sensitivity: 5μA
8) Bandwidth: 7.7 - 8.7MHz
9) Safe gu ard: 250V , 0.5A, fuse self-remedy

Antenna 4

Description:



- Frequency: 7.7- 8.7MHz

- Deactivating height: up to 20CM

- Deactivating speed: 160pcs/m

- Power consumption: ≤6W

Antenna 5

Features:

1)Dimension: 25*70mm

2)Frequency: 8.2MHz/58KHz

3)Color: black/white/grey or customize

4)loose Lock: Three balls clutch,standard/super

5)Detection Range: 1.3 m-2.8m (5.1'-11')

Reference
http://shanghaielson.en.alibaba.com/product/50072805/200476204/EAS_AM_SECURITY_HARD_TAG/EAS_AM_LARGE_PENCIL_TAG_B.html