Motorola GPS II Remote Speaker Microphone (HMN4106A)

The ultra-rugged, water submersible HMN4106 GPS Remote Speaker Microphone

Designed for ASTRO 25® XTS® 2500/5000 portable radios, the GPS II RSMs provide better location accuracy, even in urban and forested environments. Programmable polling lets you determine how often to track your responders to optimize accuracy, battery life and channel traffic – with minimum polling rates as low as 3 seconds

Remote Speaker Microphone (RSM):
Microphone Type - Omni-directional
Sensitivity - 42dBV typical

Speaker:
Diameter - 45 mm
Output Power - .5W at rated audio
Output Level - 90dB SPL typical
Frequency Response - 300 - 3500Hz
Distortion (TH D) - < 5% at 1kHz

RSM Body:
Dimensions (W x L x D) - 62 mm x 87.5 mm x 43 mm with clothing clip
Weight - 242 grams

CONTROLS:
Channel Change Knob - 16 position
Volume Control Volume - Up/Down Buttons on face of RSM
Volume Control Levels - Ten levels, maximum to minimum volume; feedback tone when receive audio not present
Orange Emergency Button - Located on top surface, activates radio’s Orange Emergency Button if programmed
Side Programmable 2, activates side buttons of radio.

Power:
RSM Power Source Radio Battery

Cable Assembly
Flex Life -  50,000 Cycles
Pull Strength - 40 lbs, Minimum Tensile, In-Line

GPS – Global Positioning System:
Simultaneous Satellites -48
Mode of Operation Autonomous (non-assisted) GPS
GPS Antenna PIFA style antenna integrated into GPS RSM
Sensitivity -148 dBm
Accuracy 5m(50%), 15m(95%)
Cold Start - < 35 seconds, typical with fully charged radio battery
Warm Start - < 35 seconds, typical with fully charged radio battery
Hot Start - 3-5 seconds, typical with fully charged radio battery
Periodic Update Information Age, typical 1-10 seconds

For optimal GPS coverage, you need a clear view of sky with no obstructions. Coverage
may be limited in buildings, parking garages and areas with dense tree coverage.

ENVIRONMENTAL
Operating Temperature -30° to +60°C
Storage Temperature -57° to +85°C
Thermal Shock -57° to +85°C
Humidity 90% - 95% RH @ +50°C for 8 hours
ESD IEC 801-2
IP Rating HMN 4106 IP57 Rugged¹
HMN 4107 IP54
Portable Military Standards 810 E and F
Method Procedure/Category Method Procedure/Category
Rain 506.4 I/III without audio jack
Salt/Fog 509.3 I
Dust 510.3 I
Immersion (HMN 4106 only) 512.3 I
Vibration 514.4 I/X, II/III
Mechanical Shock 516.4 I/IV