{"id":4699,"date":"2026-01-09T09:20:45","date_gmt":"2026-01-09T07:20:45","guid":{"rendered":"https:\/\/delkatek.ee\/product\/u-prox-keyfob-b4-black-nelja-nuppuga-raadiopult-must\/"},"modified":"2026-02-20T12:09:05","modified_gmt":"2026-02-20T10:09:05","slug":"u-prox-keyfob-b4-black-nelja-nuppuga-raadiopult-must","status":"publish","type":"product","link":"https:\/\/delkatek.ee\/en\/product\/u-prox-keyfob-b4-black-nelja-nuppuga-raadiopult-must\/","title":{"rendered":"U-PROX KEYFOB B4 BLACK four-button wireless remote, black"},"content":{"rendered":"

U-PROX Keyfob B4 BLACK<\/h1>\n

The U-PROX Keyfob B4 is a wireless 4-button key fob for convenient control of the U-PROX MPX security system. The device supports arming, disarming, partial arming (e.g., “night mode”), and an additional programmable function. The key fob buttons can be configured to the user’s preference, and the device can also be used as a panic button. <\/p>\n

Communication occurs via secure two-way ISM radio at 868.0\u2013868.6 MHz, with a range of up to 100 m (in open space). The device uses a CR2032 battery with a lifespan of up to 5 years. <\/p>\n

Technical specifications<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/strong><\/th>\nDescription \/ value<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Device<\/strong><\/td>\nU-PROX Keyfob B4 \u2014 wireless 4-button key fob for security system control<\/td>\n<\/tr>\n
Number of buttons<\/strong><\/td>\n4 (arm, disarm, partial arm\/stay, programmable)<\/td>\n<\/tr>\n
Operating frequency<\/strong><\/td>\n868.0\u2013868.6 MHz (ISM band)<\/td>\n<\/tr>\n
Communication channels<\/strong><\/td>\nMulti-channel, secure two-way communication<\/td>\n<\/tr>\n
Encryption<\/strong><\/td>\n256-bit secure communication<\/td>\n<\/tr>\n
Operating range<\/strong><\/td>\nUp to ~100 m in open space (depending on environment)<\/td>\n<\/tr>\n
Power supply<\/strong><\/td>\n3 V (CR2032 battery included)<\/td>\n<\/tr>\n
Battery life<\/strong><\/td>\nUp to 5 years<\/td>\n<\/tr>\n
LED indicator<\/strong><\/td>\nYes \u2014 provides feedback on user commands<\/td>\n<\/tr>\n
Dimensions (W \u00d7 H \u00d7 D)<\/strong><\/td>\n39 \u00d7 10 \u00d7 68 mm<\/td>\n<\/tr>\n
Weight<\/strong><\/td>\n~40 g<\/td>\n<\/tr>\n
Operating temperature<\/strong><\/td>\n\u201310 \u00b0C to +55 \u00b0C<\/td>\n<\/tr>\n
Humidity (allowed)<\/strong><\/td>\nTypically up to 75% (according to EN standards)<\/td>\n<\/tr>\n
Environmental class<\/strong><\/td>\nII (EN 50131-1)<\/td>\n<\/tr>\n
Security grade<\/strong><\/td>\nGrade 2<\/td>\n<\/tr>\n
Package includes<\/strong><\/td>\nKey fob, CR2032 battery (installed), manual<\/td>\n<\/tr>\n
Color<\/strong><\/td>\nWhite or black<\/td>\n<\/tr>\n
Warranty<\/strong><\/td>\n2 years (excluding batteries)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Notes<\/h3>\n