Product ID: MTP3550
The MTP3550 TETRA portable radio is a mission-critical device equipped with a full numeric keypad, 1.7" colour display (132x90 px), Fall Alert sensor (Man Down), multi-constellation GNSS (GPS, GLONASS, BeiDou), secure Bluetooth 4.0/BTLE, and optional RFID hardware. Certified to IP65, IP66, and IP67 ingress protection standards.
Product features:
Wideband TETRA operation in 350-470 MHz or 800 MHz with Class 3 high RF power option (2.8 W) 
Full numeric keypad with a 1.7" transflective colour screen for effortless text entry and dialing 
Fall Alert (Man Down) sensor detecting tilt or lack of movement alongside vibrate alert for discreet notifications 
Bluetooth 2.1/4.0/BTLE connectivity for wireless audio, data, and indoor location tracking (iBeacon) 
IP65, IP66, and IP67 rated rugged design compliant with MIL-STD 810H standards and 2 W audio output• Product description
The Motorola MTP3550 is engineered for public safety and industrial professionals who require a full keypad for fast text messaging, direct numeric dialing, and quick SDS navigation. Its transflective colour screen offers exceptional readability under direct sunlight or low-light conditions. Separate volume and talkgroup knobs ensure effortless, error-free operation.
The MTP3550 features an integrated multi-constellation GNSS receiver supporting GPS, GLONASS, and BeiDou for accurate outdoor location tracking, alongside BTLE technology for indoor beacon navigation. An integrated vibrate alert provides silent notifications for calls and text updates when working in quiet or covert environments. Secure Bluetooth enables seamless wireless audio and data sharing.
Equipped with a 2 W speaker, the MTP3550 delivers clear voice communications even in high-noise surroundings. Certified to IP65, IP66, and IP67 ingress standards, it resists high-pressure water jets and submersion up to 1 meter for 30 minutes. Safety is reinforced by the integrated Fall Alert (Man Down) sensor, which automatically triggers emergency calls if a fall occurs.
The MTP3550 is built for first responders, police officers, fire services, security personnel, and industrial managers who need complete data entry capabilities combined with advanced worker protection.
Public safety & emergency crews: mission-critical voice calls, full keypad SDS texting, and Fall Alert monitoring.
Industrial & wet environments: IP65/IP66/IP67 water ingress protection, 2 W loud audio, and vibrate alerts.
Logistics & field management: multi-constellation GNSS tracking, optional RFID, and color antenna identification bands.
• Specification
Keypad
Full keypad
Display
1.7" colour transflective (132 x 90 px, 262K colours)
Dimensions (H x W x D) with 1950 mAh battery
124 x 53 x 33,5 mm
Dimensions with 2200 mAh / IMPRES2 3400 mAh battery
124 x 53 x 36,7 mm
Weight with 1950 mAh battery
280 g
Weight with 2200 mAh battery
295 g
Battery options
1950 mAh, 2200 mAh, IMPRES2 3400 mAh
Audio output power
2 W (at maximum volume)
RFID hardware option
Optional (866-868 MHz RFID Knob)
Frequency bands
350–470 MHz lub 800 MHz
Transmitter RF power
Class 3 (2,8 W), Class 3L (1,8 W), Class 4 (1 W)
Adaptive power control
Per EN 300 392-2
Receiver sensitivity (350-470 MHz)
Static: -116 dBm (min) / -118 dBm (typical); Dynamic: -107 dBm (min) / -109 dBm (typical)
Receiver sensitivity (800 MHz)
Static: -114 dBm (min) / -116 dBm (typical); Dynamic: -105 dBm (min) / -107 dBm (typical)
Trunked mode (TMO)
Private, group, emergency, PABX, PSTN, full/half duplex
Direct mode (DMO)
Private, group, emergency, ETSI type 1A DMO repeater
Emergency call features
Hot mic, dedicated/attached talkgroup, smart TMO/DMO selection
Talkgroup capacity
TMO: up to 10000 talkgroups / DMO: up to 2000 talkgroups
Air interface encryption (TEA)
TEA1, TEA2, TEA3
Short data services
STATUS messaging, SDS messaging (concatenated SDS up to 1000 characters)
Bluetooth module
Bluetooth 2.1 + EDR, Bluetooth 4.0, Bluetooth Smart (BTLE)
Bluetooth profiles
Audio: HSP, Fast PTT; Data: SPP, DUN, GATT, Heart Rate, Battery Service, Device Info
Location services (GNSS)
GPS, GLONASS, BeiDou (accuracy < 5 m, tracking sensitivity -161 dBm typical)
Indoor location service
iBeacon / BTLE (Bluetooth Low Energy beacon)
Military standards MIL-STD
MIL-STD 810C, D, E, F, G, H
ETSI environmental standards
ETSI 300 019-1-7 class 7.3E (temp/humidity) / class 5M3 (shock/drop/vibration)
Ingress protection (IP) rating
IEC 60529 - IP65, IP66, and IP67 (submersion up to 1 m for 30 min)
Operating temperature
-30°C to +60°C
Storage temperature
-40°C to +85°C
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