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Otto Engineering E1-ED2MS131

Otto Engineering > Audio surveillance kits

One Wire Commercial Surveillance Kit, with In-Line PTT and Microphone, Standard Acoustic Tube

Works with MOTOROLA, RELM / BK and HYTERA radios that use 2-pin connector (See a list of compatible models)

Customer Rating:

Item SKU Number: 441212

Original Manufacturer: Multi-Manufacturer Compatibility

Manufacturer Part Number: E1ED2MS131, E1 ED2MS131, E1-ED2MS131

FCA point / Shipped from: USA

Manufacturer Warranty: 2 years

Download Free Materials:

Otto_1-wire_monitor_kit_brochure.pdf (365.52 KB)

Otto_1_and_2_wire_monitoring_kits_installation.pdf (421.17 KB)

Otto_Surveillance_kits_and_accessories.pdf (1407.51 KB)

Item Details:

OTTO Commercial One Wire Surveillance Kit

The One Wire Monitoring Kit - is lightweight, durable, and performs in situations from routine to demanding. The quick disconnect acoustic tube makes the unit ideal for sharing across multiple shifts, and users can rely on high clarity, two-way radio transmissions that go unnoticed by others.

Recommended Markets:

Retail, security, casinos, crowd control at conventions and concert.

Additional Information:

Connector type:

2.5mm / 3.5mm Right Angle Connector
(Pryme x03, Otto MG / ME, Endura MT1)

Warning: Radios with «‎Digital Symbol» Motorola Digital Symbol

are digital capable radios and require the use of accessories with the same «‎Digital Symbol». These accessories with the «‎Digital Symbol» have been optimized for digital audio Transmit and Receive. Use of non-approved accessories may result in degradation of audio quality.

Compatible with MOTOROLA radios:

AU1200
AV1200
AXV5100
AU4100
BPR40 (Mag One)
BPR50dX (Mag One)
CLS1110
CLS1410
CLS1413
CLS1450C
CLS1453C
CLS446
CP040
CP100
CP110
CP125
CP140
CP150
CP160
CP180
CP185
CP200
CP200D
CP220
CP240
CP250
CP300
CP476
CP88
CT150
CT250
CT450
CT450LS
DTR2350
DTR2450
DTR410
DTR500
DTR550
DTR610
DTR650
DTR700
DTR720
ECP100
EP450
GP2000
GP300
GP308
GP3188
GP350 (With HLN9482 adapter)
GP68
GP88
GP88S
GP300
GP308
GP350
GP2000
GTI
GTX (Headsets with PTT only)
LTS2000
MTH500
MU11
MU21

MU22
MU24
MV11
MV12
MV21
P040
P080
P110
P160
P145
P165
P185
P1225
P1225LS
P2000
PMR446
PR400
PRO1150
PRO2150
PRO2150
PRO3150
R2
RDU2020
RDU2080
RDU4100
RDU4160
RDV2020
RDV2080
RDV5100
SP10
SP21
SP50
SP50+
Spirit Pro
Spirit Pro+
Spirit HP 10
SU22
SU22C
SU220
SV10
SV11
SV12
SV21
SV22
VL130
VL50
VX1100
XT420
XT460
XTN446
XTN500
XTN600
XTNi
XTNiD
XU1100
XU2100
XU2600
XU4100
XV1100
XV1400
XV2100

Compatible with RELM / Bendix King radios:

RPU6500
RPV6500

Compatible with MAXON / TECNET radios:

MDP-6124
MDP-6424
MP-4116
MP-4124
MP-4416
MP-4424
TJ-3100U
TJ-3100V
TP-5116
TP-5416

TP-8102
TP-8402
TS-2116
TS-2416
TS-3116
TS-3416
TSD-4116
TSD-4124
TSD-4416
TSD-4424

Compatible with HYT (HYTERA) radios:

POWER446
TC-446S
TC-500
TC-508
TC-518
TC-580

TC-600
TC-610
TC-620
TC-700
TC-700 Ex PLUS
PD-502
PD-562

Compatible with TEKK radios:

XU100
XV100
XU1000
XV1000

X03-MG@Connector

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Manufacturer's Catalogs and Guides:

These files contain information about the available products from the manufacturer. If you need something that is not on our website, please contact us. We will help you purchase the desired product at a low price.

OTTO Comm Full Color Catalog

Published Date: 2021

Otto Engineering Full Product Catalogue 2021

Two-Way Radio Communication Accessories Book

Published Date: October 2021

Table of Products by Brands

Published Date: May 2023

OTTO Communications specializes in accessories for the two-way radio market including surveillance kits, wireless accessories, lightweight and heavy-duty headsets, speaker microphones, tactical, fire & HAZMAT communications equipment.

OTTO accessories are designed for use by public safety, security, surveillance, emergency medical teams, SWAT, fire fighters, HAZMAT and other law enforcement professionals along with food service, hospitality, entertainment, construction and industrial markets. OTTO Communications supports a wide range of radio platforms providing accessories for most major two-way radios.

Made in U.S.A. - Premium Quality.