https://belljudgeofthesupremecourt445.blogspot.com/2025/12/blog-post_13.html

 PRODUCT SPEC SHEET

MOTOTRBO™ XiR P3688™ PORTABLE RADIOS

GENERAL SPECIFICATIONS

XiR P3688

VHF UHF BAND 1 350

Channel Capacity 32

Typical RF Output

Low Power

High Power

1 W

5 W

1 W

4 W

Frequency 136-174 MHz 403-470 MHz 350-400 MHz

Radio Dimensions (H x W x D) with battery:

NiMH 1400mAH

Slim Li-Ion 1600mAH

Li-Ion 2200mAH

5.0 x 2.4 x 1.7 in (127.7 x 61.5 x 42.0 mm)

5.0 x 2.4 x 1.5 in (127.7 x 61.5 x 39.0 mm)

5.0 x 2.4 x 1.8 in (127.7 x 61.5 x 44.0 mm)

Weight with battery:

NiMH 1400mAH

Slim Li-Ion 1600mAH

Li-Ion 2200mAH

14.3 oz (406 g)

12.1 oz (341 g)

12.2 oz (346 g)

Power Supply 7.5V (Nominal) ± 20%

FCC Description ABZ99FT3092 ABZ99FT4094 N/A

IC Description 109AB-99FT3092 109AB-99FT4094 N/A

BATTERY

Average battery life at 5/5/90 duty cycle with carrier squelch and transmitter in high power.1

NiMH (1400mAh) Battery Analog: 9 hrs / Digital: 11.5 hrs

Li-Ion Slim (1600mAH) Battery Analog: 10.5 hrs / Digital: 13.5 hrs

High Cap Li-ion (2200mAH) Battery Analog: 14.5 hrs / Digital: 18.5 hrs

RECEIVER

Frequency 136-174 MHz 403-470 MHz 350-400 MHz

Channel Spacing 12.5 kHz / 20 kHz / 25 kHz2

Frequency Stability (-30°C, +60°C, +25°C Ref) ± 0.5 ppm

Analog Sensitivity (12 dB SINAD) 0.3 uV / 0.22 uV (typical)

Digital Sensitivity (5% BER) 0.3 uV / 0.19 uV (typical)

Intermodulation (TIA603D) -70 dB

Adjacent Channel Selectivity (TIA603D) 45 dB @ 12.5 kHz / 70 dB @ 20/25 kHz2

Spurious Rejection (TIA603D) -70 dB

Rated Audio 0.5 W

Audio Distortion @ Rated Audio 5% (3% typical)

Hum and Noise -40 dB @ 12.5 kHz / -45 dB @ 20/25 kHz2

Audio Response TIA603D

Conducted Spurious Emissions (TIA603D) -57 dBm

TRANSMITTER

Frequency 136-174 MHz 403-470 MHz 350-400 MHz

Channel Spacing 12.5 kHz / 20 kHz / 25 kHz2

Frequency Stability (-30°C, +60°C, +25°C Ref) ± 0.5 ppm

Low Power Output 1 W 1 W

High Power Output 5 W 4 W

Modulation Limiting ± 2.5 kHz @ 12.5 kHz / ± 4.0 kHz @ 20 kHz / ± 5.0 kHz @ 25 kHz2

FM Hum and Noise -40 dB @ 12.5 kHz / -45 dB @ 20/25 kHz2

Conducted / Radiated Emission -36 dBm < 1 GHz / -30 dBm > 1 GHz

Adjacent Channel Power 60 dB @ 12.5 kHz / 70 dB @ 20/25 kHz2

Audio Response TIA603D

Audio Distortion < 3% (typical)

4FSK Digital Modulation 12.5 kHz Data: 7K60F1D and 7K60FXD

12.5 kHz Voice: 7K60F1E and 7K60FXE

Combination of 12.5 kHz Voice and Data: 7K60F1W

Digital Vocoder Type AMBE +2™

Digital Protocol ETSI TS 102 361-1, -2, -3

1

 Actual battery runtime observed may vary.

2

 25 kHz is NOT applicable for FCC 47 CFR Part 90

Specifications subject to change without notice. All specifications shown are typical.