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EMERGENCY RADIOS

SG Model MMR-77 MMR-88 MMR-88DAB+ MMR-99 MMR-99DAB
FM Frequency (MHz) 87.5–108 87.5–108 87.5–108 87.5–108 87.5–108
FM RDS/BDS - - PS / PTY / RT / CT PS / CT PS / PTY / RT / CT
TUNER
AM / MW Frequency (kHz) 522–1710 (9k) / 520–1710 (10k) 522–1710 (9k) / 520–1710 (10k) - 522–1710 (9k) / 520–1710 (10k) -
DAB / DAB+ Channel Block - - 5A–13F - 5A–13F
Memory Presets - 19 (AM / FM Mixed) 40 (20 FM / 20 DAB) 40 (20 AM / 20 FM) 40 (20 FM / 20 DAB)
TUNING Rotary Tuning O - - - -
Auto Tuning System / Seek Tuning - O O O O
Bluetooth - - - O O
MEDIA
Aux-in - - - O O
Version - - - 5 5
Codec - - - SBC SBC / AAC
BLUETOOTH
AVRCP - - - Play / Pause / Previous / Next / Rewind / Forward Play / Pause / Previous / Next / Rewind / Forward
A2DP - - - O O
Real Time - - Radio Radio Radio
Alarm - - - 1 Set 1 Set
HWS (Humane Wake System) - - - O O
CLOCK
Snooze - - - O O
Sleep Timer - - - O O
Auto Shut Off - O - O O
Type Dial Scale LCD LCD LCD LCD
Size (mm) - 40 x 19.5 32.6 x 16.5 59 x 26 57.4 x 24.4
Size (in) - 1.57 x 0.77 1.28 x 0.65 2.32 x 1.02 2.26 x 0.96
Graphic / Character Type - Segment Graphic Segment Segment
Backlight O O O O O
DISPLAY
Adjustable Screen Contrast - - O - -
Battery Level Indicator - O O O O
LED Tuning Indicator O O - - -
LED Low Battery Indicator - O O - O
LED Charging Indicator O O O O O
Speaker Size 50mm / 2" 40mm / 1.57" 38mm / 1.5" 57mm / 2.25" 57mm / 2.25"
Speaker Impedance 8 ohm 8 ohm 8 ohm 4 ohm 4 ohm
Speaker Output (AC / DC Powered) - 0.4W 0.4W 2W 1.5W
Speaker Output (Battery Powered) 0.1W 0.4W 0.4W 1.5W 1.5W
AUDIO Speaker Output (Max) 0.4W 1W 1W 5W 1.5W
Amplifier Class AB Class AB Class D Class AB/D Class AB/D
Earphones 1mW x 2 1.5mW x 2 1mW x 2 1mW x 2 1mW x 2
Stereo Earphones Earphones Earphones Earphones Earphones
Loudness - - - Always on Switchable
[OTHER FEATURE] Dust & Water Resistance - - - IP55 IP55
Flashlight - O O O O
OTHER Hand Crank Power Mechanism O O O O O
FEATURE Solar Power Panel - O O O O
Siren - O - O O
External FM Antenna Telescopic Antenna Telescopic Antenna Telescopic Antenna Telescopic Antenna Telescopic Antenna
Aux-in (3.5mm) - - - O O
Earphone (3.5mm) O O O O O
I/O USB Socket Type - USB Type-C / USB Type-A USB Type-C / USB Type-A USB Type-C / USB Type-A USB Type-C / USB Type-A
SOCKET
USB Socket DC In - O O O O
USB Socket DC Out - O O O O
AC / DC DC-in 3V/0.2A DC-in 5V/0.5A DC-in 5V/0.5A DC-in 5V/2.4A DC-in 5V/2.4A
POWER Battery 2x AA 1.5V 18350 Li-Ion Battery 3.7V/850mAh 18350 Li-Ion Battery 3.7V/850mAh 18650 Li-Ion Battery 3.7V/2600mAh 18650 Li-Ion Battery 3.7V/2600mAh
SUPPLY Battery Life (Speaker playback time on built-in battery)- 14 hr 8 hr - -
Battery Rechargeability O O O O O
Charging Cable - USB Type-A to Type-C USB Type-A to Type-C USB Type-A to Type-C USB Type-A to Type-C
ACCESSORIES
Hand Strap - O O O O
Width (mm) 167.2 152.2 152.2 202.8 202.8
Height (mm) 89.8 84.9 84.9 113.7 113.7
Depth (mm) 52.6 69 69 89.4 89.4
Weight (g) 329 377 376 909.5 837
DIMENSIONS
Width (inch) 6.58 5.99 5.99 7.98 7.98
Height (inch) 3.54 3.34 3.34 4.48 4.48
Depth (inch) 2.07 2.72 2.72 3.52 3.52
Weight (lb) 0.73 0.83 0.83 2.01 1.85
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