Motorola GP689
- Capacity: 2800mAh,
- Transmitting power: 5W (UHF)
- Communication distance: 100m ~ 3000m (depending on usage conditions and environment)
- Frequency range: 400-470 Mhz (UHF)
- Memory of 16 frequency channels.
- Complete set includes: Camera body, Battery, Charging Base, Antenna, box, mounting bracket
- 12 months warranty for machine, 06 months for accessories

Magnification(x):12
Objective lens diameter (mm):50
Actual viewing angle (degrees): 6.4
Viewing angle through viewfinder (degrees): 42.7
Field of view at 1000m(m):112
Diameter of virtual eyepiece circle(mm):7.1
Brightness:50.4
Eye placement distance (mm): 17.6
Closest focusing distance(m):8
Dimensions (mm): 180x197x68
Weight(g): 905
Inner eyepiece circle distance (mm):56-72
Prism type: Porro

DR-MX1 / Alinco
- Transmitting power: Max.5W.
- Frequency band used: VHF
- Frequency range:
+ Transmit: 156.025-157.425 MHz
+ Receive: 156.050 - 163.275 MHz
- Output power 5W, can be converted to 1W (Battery).
- Clear LCD display with automatic backlight.
- Weather channel warning function, scanning priority channels, call channels....
- Pre-programmed international, US, and Canadian maritime frequency channels
- Waterproof when immersed at a depth of 1m for 30 minutes (IPX7).
- Floats on water even when accessories are attached, has a flashing red LED light to show where the radio is.
- Weight: 288g including battery, antenna and strap
- Dimensions (WxHxD): 63x138x43mm